diff --git a/.env.example b/.env.example
index 558ee17..5f0c3c7 100644
--- a/.env.example
+++ b/.env.example
@@ -14,4 +14,13 @@ GITHUB_API_URL=https://api.github.com
 GITHUB_CLIENT_ID=redacted
 GITHUB_CLIENT_SECRET=redacted
 GITHUB_OAUTH_TOKEN=redacted
+KEYCLOAK_API_URL=http://localhost:8080/auth
+KEYCLOAK_CLIENT_ID=redacted
+KEYCLOAK_CLIENT_SECRET=redacted
+KEYCLOAK_REALM=redacted
 HASH_SECRET=redacted
+COTURN_USERNAME=redacted
+COTURN_PASSWORD=redacted
+ACTIVE_PUB_SUB_GATEWAY=pusher
+ACTIVE_ICE_SERVER_PROVIDER=twilio
+ACTIVE_IDENTITY_PROVIDER=github
diff --git a/.env.local.example b/.env.local.example
new file mode 100644
index 0000000..8bf3333
--- /dev/null
+++ b/.env.local.example
@@ -0,0 +1,26 @@
+DATABASE_URL=postgres://teletype:password@localhost:5432/teletype-server-dev
+TEST_DATABASE_URL=postgres://teletype:password@localhost:5433/teletype-server-test
+PORT=3000
+PUSHER_APP_ID=348824
+PUSHER_KEY=redacted
+PUSHER_SECRET=redacted
+PUSHER_CLUSTER=mt1
+TWILIO_ACCOUNT=redacted
+TWILIO_AUTH_TOKEN=redacted
+NEW_RELIC_ENABLED=false
+NEW_RELIC_APP_NAME=atom-teletype-development
+NEW_RELIC_LICENSE_KEY=redacted
+GITHUB_API_URL=https://api.github.com
+GITHUB_CLIENT_ID=redacted
+GITHUB_CLIENT_SECRET=redacted
+GITHUB_OAUTH_TOKEN=redacted
+KEYCLOAK_API_URL=http://localhost:8080/auth
+KEYCLOAK_CLIENT_ID=teletype
+KEYCLOAK_CLIENT_SECRET=redacted
+KEYCLOAK_REALM=teletype
+HASH_SECRET=redacted
+COTURN_USERNAME=teletype
+COTURN_PASSWORD=password
+ACTIVE_PUB_SUB_GATEWAY=socketcluster
+ACTIVE_ICE_SERVER_PROVIDER=coturn
+ACTIVE_IDENTITY_PROVIDER=keycloak
diff --git a/.gitignore b/.gitignore
index 7b7dae2..b8f60f3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
 node_modules
 .env
 newrelic_agent.log
+database
+test-database
+keycloak-database
diff --git a/README.md b/README.md
index af19eb6..408f42a 100644
--- a/README.md
+++ b/README.md
@@ -43,6 +43,40 @@ To run teletype-server locally, you'll first need to have:
     npm test
     ```
 
+### Running locally using docker
+
+This allows to deploy teletype-server to a full private solution.
+Coturn is used instead of Twilio and SocketCluster instead of Pusher.
+
+1. Clone and bootstrap
+
+    ```
+    git clone https://github.com/atom/teletype-server.git
+    cd teletype-server
+    cp .env.local.example .env
+    docker-compose build
+    docker-compose up -d
+    createdb teletype-server-dev
+    createdb teletype-server-test
+    npm install
+    npm run migrate up
+    ```
+
+2. Copy the client ID and client secret for your OAuth app on github.com, and set those values in your `.env` file
+
+3. Start the server
+
+    ```
+    ./script/server
+    ```
+
+4. Run the tests
+
+    ```
+    npm test
+    ```
+
+
 ## Deploying
 
 Atom core team members can use [this guide](./docs/deployment.md) to test pull requests and deploy changes to production.
diff --git a/app.json b/app.json
index 0f2f769..d3ce28c 100644
--- a/app.json
+++ b/app.json
@@ -40,6 +40,33 @@
     },
     "TWILIO_AUTH_TOKEN": {
       "required": true
+    },
+    "COTURN_USERNAME": {
+      "required": true
+    },
+    "COTURN_PASSWORD": {
+      "required": true
+    },
+    "KEYCLOAK_API_URL": {
+      "required": true
+    },
+    "KEYCLOAK_CLIENT_ID": {
+      "required": true
+    },
+    "KEYCLOAK_CLIENT_SECRET": {
+      "required": true
+    },
+    "KEYCLOAK_REALM": {
+      "required": true
+    },
+    "ACTIVE_PUB_SUB_GATEWAY": {
+      "required": true
+    },
+    "ACTIVE_ICE_SERVER_PROVIDER": {
+      "required": true
+    },
+    "ACTIVE_IDENTITY_PROVIDER": {
+      "required": true
     }
   },
   "formation": {},
diff --git a/coturn/Dockerfile b/coturn/Dockerfile
new file mode 100644
index 0000000..9bd373d
--- /dev/null
+++ b/coturn/Dockerfile
@@ -0,0 +1,10 @@
+FROM ubuntu:18.04
+
+RUN apt-get update
+RUN DEBIAN_FRONTEND=noninteractive apt-get install -y coturn
+
+ADD turnserver.conf /etc/turnserver.conf
+
+EXPOSE 3478
+
+CMD exec /bin/bash -c "trap : TERM INT; /usr/bin/turnserver -c /etc/turnserver.conf -v"
diff --git a/coturn/turnserver.conf b/coturn/turnserver.conf
new file mode 100644
index 0000000..6b1c8e5
--- /dev/null
+++ b/coturn/turnserver.conf
@@ -0,0 +1,6 @@
+no-stun
+verbose
+fingerprint
+lt-cred-mech
+user=teletype:password
+realm=teletype
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..dac670d
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,91 @@
+version: '3'
+
+services:
+  database:
+    image: postgres
+    ports:
+     - 5432:5432
+    volumes:
+     - ./database:/var/lib/postgresql/data
+    restart: always
+    environment:
+      POSTGRES_USER: teletype
+      POSTGRES_PASSWORD: password
+      POSTGRES_DB: teletype-server-dev
+    networks:
+      teletype:
+
+  test-database:
+    image: postgres
+    ports:
+     - 5433:5432
+    volumes:
+     - ./test-database:/var/lib/postgresql/data
+    restart: always
+    environment:
+      POSTGRES_USER: teletype
+      POSTGRES_PASSWORD: password
+      POSTGRES_DB: teletype-server-test
+    networks:
+      teletype:
+
+  coturn:
+    image: coturn
+    build:
+      context: coturn
+      dockerfile: Dockerfile
+    ports:
+     - 3478:3478
+    restart: always
+    networks:
+      teletype:
+        aliases:
+          - coturn
+
+  socketcluster:
+    image: socketcluster
+    build:
+      context: socketcluster
+      dockerfile: Dockerfile
+    ports:
+     - 8000:8000
+    restart: always
+    networks:
+      teletype:
+        aliases:
+          - socketcluster
+
+  keycloak:
+    image: jboss/keycloak
+    ports:
+     - 8080:8080
+    restart: always
+    environment:
+      DB_VENDOR: postgres
+      DB_ADDR: keycloak-database
+      KEYCLOAK_USER: teletype
+      KEYCLOAK_PASSWORD: password
+    networks:
+      teletype:
+        aliases:
+          - keycloak
+
+  keycloak-database:
+    image: postgres
+    ports:
+     - 5434:5432
+    volumes:
+     - ./keycloak-database:/var/lib/postgresql/data
+    restart: always
+    environment:
+      POSTGRES_USER: keycloak
+      POSTGRES_PASSWORD: password
+      POSTGRES_DB: keycloak
+    networks:
+      teletype:
+        aliases:
+          - keycloak-database
+
+
+networks:
+  teletype:
diff --git a/index.js b/index.js
index 85ef3bc..32f2efd 100644
--- a/index.js
+++ b/index.js
@@ -23,9 +23,18 @@ async function startServer (id) {
     githubClientId: process.env.GITHUB_CLIENT_ID,
     githubClientSecret: process.env.GITHUB_CLIENT_SECRET,
     githubOauthToken: process.env.GITHUB_OAUTH_TOKEN,
+    keycloakApiUrl: process.env.KEYCLOAK_API_URL,
+    keycloakClientId: process.env.KEYCLOAK_CLIENT_ID,
+    keycloakClientSecret: process.env.KEYCLOAK_CLIENT_SECRET,
+    keycloakRealm: process.env.KEYCLOAK_REALM,
     boomtownSecret: process.env.BOOMTOWN_SECRET,
     hashSecret: process.env.HASH_SECRET,
-    port: process.env.PORT || 3000
+    port: process.env.PORT || 3000,
+    coturnUsername: process.env.COTURN_USERNAME,
+    coturnPassword: process.env.COTURN_PASSWORD,
+    activePubSubGateway: process.env.ACTIVE_PUB_SUB_GATEWAY,
+    activeIceServerProvider: process.env.ACTIVE_ICE_SERVER_PROVIDER,
+    activeIdentityProvider: process.env.ACTIVE_IDENTITY_PROVIDER
   })
   await server.start()
   console.log(`Worker ${id} (pid: ${process.pid}): listening on port ${server.port}`)
diff --git a/lib/coturn-ice-server-provider.js b/lib/coturn-ice-server-provider.js
new file mode 100644
index 0000000..8ab48e2
--- /dev/null
+++ b/lib/coturn-ice-server-provider.js
@@ -0,0 +1,27 @@
+module.exports =
+class CoturnIceServerProvider {
+  constructor ({coturnUsername, coturnPassword}) {
+      this.coturnUsername = coturnUsername
+      this.coturnPassword = coturnPassword
+  }
+
+  async fetchICEServers () {
+    return {ttl: 86400, servers: [
+          {
+              'urls': 'stun:stun.l.google.com:19302'
+          },
+          {
+              'urls': 'turn:localhost:3478?transport=udp',
+              'username': this.coturnUsername,
+              'credential': this.coturnPassword
+          },
+          {
+              'urls': 'turn:localhost:3478?transport=tcp',
+              'username': this.coturnUsername,
+              'credential': this.coturnPassword
+          }
+      ]
+    }
+
+  }
+}
diff --git a/lib/identity-provider.js b/lib/github-identity-provider.js
similarity index 97%
rename from lib/identity-provider.js
rename to lib/github-identity-provider.js
index 1ae21bc..bcf6c70 100644
--- a/lib/identity-provider.js
+++ b/lib/github-identity-provider.js
@@ -1,7 +1,7 @@
 const {StatusCodeError} = require('request-promise-core/lib/errors')
 
 module.exports =
-class IdentityProvider {
+class GithubIdentityProvider {
   constructor ({request, apiUrl, oauthToken}) {
     this.request = request
     this.apiUrl = apiUrl
diff --git a/lib/keycloak-identity-provider.js b/lib/keycloak-identity-provider.js
new file mode 100644
index 0000000..7ccf7e1
--- /dev/null
+++ b/lib/keycloak-identity-provider.js
@@ -0,0 +1,80 @@
+const {StatusCodeError} = require('request-promise-core/lib/errors')
+
+module.exports =
+class KeycloakIdentityProvider {
+  constructor ({request, apiUrl, clientId, clientSecret, realm}) {
+    this.request = request
+    this.apiUrl = apiUrl
+    this.clientId = clientId
+    this.clientSecret = clientSecret
+    this.realm = realm
+  }
+
+  make_base_auth(clientId, clientSecret) {
+    var token = clientId + ':' + clientSecret
+    var hash = Buffer.from(token).toString('base64')
+    return "Basic " + hash
+  }
+
+  async identityForToken (oauthToken) {
+    try {
+      var options = {
+        method: 'POST',
+        uri: `${this.apiUrl}/realms/${this.realm}/protocol/openid-connect/token/introspect`,
+        headers: {
+          'Content-Type': 'application/x-www-form-urlencoded',
+          'User-Agent': 'api.teletype.atom.io',
+          'Authorization': this.make_base_auth(this.clientId, this.clientSecret)
+        },
+        body: `token=${oauthToken}`
+      }
+      const response = await this.request(options)
+      const user = JSON.parse(response)
+
+      if (!user.active) {
+        const error = new Error('Token not provided.')
+        error.statusCode = 400
+        throw error
+      }
+      return {id: user.sub, login: user.username}
+    } catch (e) {
+      let errorMessage, statusCode
+      if (e instanceof StatusCodeError) {
+        const error = JSON.parse(e.error)
+        const description = (error.message != null) ? error.message : e.error
+        errorMessage = `${this.apiUrl} responded with ${e.statusCode}: ${description}`
+        statusCode = e.statusCode
+      } else if (e instanceof Error) {
+        errorMessage = `Failed to query ${this.apiUrl}: ${e.message}`
+        statusCode = 400
+      } else {
+        errorMessage = `Failed to query ${this.apiUrl}: ${e.message}`
+        statusCode = 500
+      }
+
+      const error = new Error(errorMessage)
+      error.statusCode = statusCode
+      throw error
+    }
+  }
+
+  async isOperational () {
+    try {
+      var options = {
+        method: 'POST',
+        uri: `${this.apiUrl}/realms/${this.realm}/protocol/openid-connect/token/introspect`,
+        headers: {
+          'Content-Type': 'application/x-www-form-urlencoded',
+          'User-Agent': 'api.teletype.atom.io',
+          'Authorization': this.make_base_auth(this.clientId, this.clientSecret)
+        },
+        body: `token=`
+      }
+
+      await this.request(options)
+      return true
+    } catch (e) {
+      return false
+    }
+  }
+}
diff --git a/lib/server.js b/lib/server.js
index a830eee..c1d7e53 100644
--- a/lib/server.js
+++ b/lib/server.js
@@ -1,9 +1,13 @@
 const buildControllerLayer = require('./controller-layer')
 const pgp = require('pg-promise')()
 const request = require('request-promise-native')
-const IdentityProvider = require('./identity-provider')
+const GithubIdentityProvider = require('./github-identity-provider')
+const KeycloakIdentityProvider = require('./keycloak-identity-provider')
 const ModelLayer = require('./model-layer')
-const PubSubGateway = require('./pusher-pub-sub-gateway')
+const PusherPubSubGateway = require('./pusher-pub-sub-gateway')
+const SocketClusterPubSubGateway = require('./socketcluster-pub-sub-gateway')
+const TwilioIceServerProvider = require('./twilio-ice-server-provider')
+const CoturnIceServerProvider = require('./coturn-ice-server-provider')
 
 module.exports =
 class Server {
@@ -19,28 +23,82 @@ class Server {
     this.githubClientId = options.githubClientId
     this.githubClientSecret = options.githubClientSecret
     this.githubOauthToken = options.githubOauthToken
+    this.keycloakApiUrl = options.keycloakApiUrl
+    this.keycloakClientId = options.keycloakClientId
+    this.keycloakClientSecret = options.keycloakClientSecret
+    this.keycloakRealm = options.keycloakRealm
     this.boomtownSecret = options.boomtownSecret
     this.hashSecret = options.hashSecret
-    this.port = options.port
+    this.port = options.port,
+    this.coturnUsername = options.coturnUsername,
+    this.coturnPassword = options.coturnPassword,
+    this.activePubSubGateway = options.activePubSubGateway,
+    this.activeIceServerProvider = options.activeIceServerProvider
+    this.activeIdentityProvider = options.activeIdentityProvider
   }
 
   async start () {
     const modelLayer = new ModelLayer({db: pgp(this.databaseURL), hashSecret: this.hashSecret})
-    const identityProvider = new IdentityProvider({
-      request,
-      apiUrl: this.githubApiUrl,
-      clientId: this.githubClientId,
-      clientSecret: this.githubClientSecret,
-      oauthToken: this.githubOauthToken
-    })
-    const pubSubGateway = new PubSubGateway({
-      appId: this.pusherAppId,
-      key: this.pusherKey,
-      secret: this.pusherSecret,
-      cluster: this.pusherCluster
-    })
 
-    const twilioICEServerURL = `https://${this.twilioAccount}:${this.twilioAuthToken}@api.twilio.com/2010-04-01/Accounts/${this.twilioAccount}/Tokens.json`
+    var identityProvider
+
+    switch(this.activeIdentityProvider) {
+      case 'keycloak':
+        identityProvider = new KeycloakIdentityProvider({
+          request,
+          apiUrl: this.keycloakApiUrl,
+          clientId: this.keycloakClientId,
+          clientSecret: this.keycloakClientSecret,
+          realm: this.keycloakRealm
+        })
+        break;
+      case 'github':
+      default:
+        identityProvider = new GithubIdentityProvider({
+          request,
+          apiUrl: this.githubApiUrl,
+          clientId: this.githubClientId,
+          clientSecret: this.githubClientSecret,
+          oauthToken: this.githubOauthToken
+        })
+        break;
+    }
+
+    var pubSubGateway
+
+    switch(this.activePubSubGateway) {
+      case 'socketcluster':
+        pubSubGateway = new SocketClusterPubSubGateway({})
+        break;
+
+      case 'pusher':
+      default:
+        pubSubGateway = new PusherPubSubGateway({
+          appId: this.pusherAppId,
+          key: this.pusherKey,
+          secret: this.pusherSecret,
+          cluster: this.pusherCluster
+        })
+        break;
+    }
+
+    var iceServerProvider
+    switch(this.activeIceServerProvider) {
+      case 'coturn':
+        iceServerProvider = new CoturnIceServerProvider({
+          coturnUsername: this.coturnUsername,
+          coturnPassword: this.coturnPassword
+        })
+        break;
+
+      case 'twilio':
+      default:
+        iceServerProvider = new TwilioIceServerProvider({
+          twilioAccount: this.twilioAccount,
+          twilioAuthToken: this.twilioAuthToken
+        })
+        break;
+    }
 
     const controllerLayer = buildControllerLayer({
       modelLayer,
@@ -48,8 +106,7 @@ class Server {
       identityProvider,
       boomtownSecret: this.boomtownSecret,
       fetchICEServers: async () => {
-        const response = JSON.parse(await request.post(twilioICEServerURL))
-        return {ttl: parseInt(response.ttl), servers: response.ice_servers}
+        return iceServerProvider.fetchICEServers()
       },
       enableExceptionReporter: true
     })
diff --git a/lib/socketcluster-pub-sub-gateway.js b/lib/socketcluster-pub-sub-gateway.js
new file mode 100644
index 0000000..ae23fd8
--- /dev/null
+++ b/lib/socketcluster-pub-sub-gateway.js
@@ -0,0 +1,31 @@
+const socketCluster = require('socketcluster-client');
+
+module.exports =
+class SocketClusterPubSubGateway {
+  constructor ({appId, key, secret, cluster}) {
+    var options = {
+      port: 8000,
+      autoConnect: true,
+      autoReconnect: true
+    };
+
+    this.socket = socketCluster.create(options);
+    this.socket.on('error', function (error) {
+    });
+  }
+
+  broadcast (channelName, eventName, data) {
+    channelName = channelName.replace(/\//g, '.')
+    var message = {
+        channel: `${channelName}.${eventName}`,
+        data: data
+    }
+    this.socket.emit('publish', message);
+  }
+
+  async isOperational () {
+    return new Promise((resolve) => {
+        resolve(this.socket.state == this.socket.OPEN)
+    })
+  }
+}
diff --git a/lib/twilio-ice-server-provider.js b/lib/twilio-ice-server-provider.js
new file mode 100644
index 0000000..a3a51dd
--- /dev/null
+++ b/lib/twilio-ice-server-provider.js
@@ -0,0 +1,15 @@
+module.exports =
+class TwilioIceServerProvider {
+  constructor ({twilioAccount, twilioAuthToken}) {
+      this.twilioAccount = twilioAccount
+      this.twilioAuthToken = twilioAuthToken
+  }
+
+  async fetchICEServers () {
+    const twilioICEServerURL = `https://${this.twilioAccount}:${this.twilioAuthToken}@api.twilio.com/2010-04-01/Accounts/${this.twilioAccount}/Tokens.json`
+
+    const response = JSON.parse(await request.post(twilioICEServerURL))
+    return {ttl: parseInt(response.ttl), servers: response.ice_servers}
+
+  }
+}
diff --git a/package-lock.json b/package-lock.json
index eb27c3a..b7616d1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,102 +5,120 @@
   "requires": true,
   "dependencies": {
     "@newrelic/koa": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/@newrelic/koa/-/koa-1.0.5.tgz",
-      "integrity": "sha512-1zTojq9gW2mi0YblGrS86gCyL56+gbCn6o2+1UJJL3pFmBgp8IAMzZ93PkHHtdrbL3BnVMBrD2Q2WR32FbhIAg==",
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/@newrelic/koa/-/koa-1.0.8.tgz",
+      "integrity": "sha512-kY//FlLQkGdUIKEeGJlyY3dJRU63EG77YIa48ACMGZxQbWRd3WZMikyft33f8XScTq6WpCDo9xa0viNo8zeYkg==",
       "requires": {
         "methods": "^1.1.2"
       }
     },
     "@newrelic/native-metrics": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/@newrelic/native-metrics/-/native-metrics-3.1.0.tgz",
-      "integrity": "sha512-45OhFKiRT5L+hBzAkDkR5UTuHWIUNMjwlMlu65Y8HmyrTPtgUMKoqMmHERRX4aRqb/EEaW3oWYYLOpLnB6fiHg==",
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/@newrelic/native-metrics/-/native-metrics-3.1.2.tgz",
+      "integrity": "sha512-JjUmPrp2LEEkhVtelICme5p7sHHpfpu2Wjk5/L1D3Zvt01v4mCsrL2XaIMBmHgg3T2ZbqMiqWZCn2LtGZ6nklA==",
       "optional": true,
       "requires": {
-        "nan": "^2.10.0"
+        "nan": "^2.10.0",
+        "semver": "^5.5.1"
       }
     },
-    "@types/events": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/@types/events/-/events-1.2.0.tgz",
-      "integrity": "sha512-KEIlhXnIutzKwRbQkGWb/I4HFqBuUykAdHgDED6xqwXJfONCjF5VoE0cXEiurh3XauygxzeDzgtXUqvLkxFzzA=="
+    "@newrelic/superagent": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/@newrelic/superagent/-/superagent-1.0.3.tgz",
+      "integrity": "sha512-lJbsqKa79qPLbHZsbiRaXl1jfzaXAN7zqqnLRqBY+zI/O5zcfyNngTmdi+9y+qIUq7xHYNaLsAxCXerrsoINKg==",
+      "requires": {
+        "methods": "^1.1.2"
+      }
+    },
+    "@types/caseless": {
+      "version": "0.12.2",
+      "resolved": "https://registry.npmjs.org/@types/caseless/-/caseless-0.12.2.tgz",
+      "integrity": "sha512-6ckxMjBBD8URvjB6J3NcnuAn5Pkl7t3TizAg+xdlzzQGSPSmBcXf8KoIH0ua/i+tio+ZRUHEXp0HEmvaR4kt0w=="
     },
     "@types/node": {
-      "version": "9.4.6",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-9.4.6.tgz",
-      "integrity": "sha512-CTUtLb6WqCCgp6P59QintjHWqzf4VL1uPA27bipLAPxFqrtK1gEYllePzTICGqQ8rYsCbpnsNypXjjDzGAAjEQ=="
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       "requires": {
         "is-fullwidth-code-point": "^2.0.0",
         "strip-ansi": "^4.0.0"
+      }
+    },
+    "string.prototype.trimend": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimend/-/string.prototype.trimend-1.0.2.tgz",
+      "integrity": "sha512-8oAG/hi14Z4nOVP0z6mdiVZ/wqjDtWSLygMigTzAb+7aPEDTleeFf+WrF+alzecxIRkckkJVn+dTlwzJXORATw==",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.3",
+        "es-abstract": "^1.18.0-next.1"
+      }
+    },
+    "string.prototype.trimstart": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimstart/-/string.prototype.trimstart-1.0.2.tgz",
+      "integrity": "sha512-7F6CdBTl5zyu30BJFdzSTlSlLPwODC23Od+iLoVH8X6+3fvDPPuBVVj9iaB1GOsSTSIgVfsfm27R2FGrAPznWg==",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.3",
+        "es-abstract": "^1.18.0-next.1"
+      }
+    },
+    "string_decoder": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+      "requires": {
+        "safe-buffer": "~5.1.0"
       },
       "dependencies": {
-        "ansi-regex": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg="
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-          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
-          "requires": {
-            "ansi-regex": "^3.0.0"
-          }
+        "safe-buffer": {
+          "version": "5.1.2",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
         }
       }
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-    "stringstream": {
-      "version": "0.0.6",
-      "resolved": "https://registry.npmjs.org/stringstream/-/stringstream-0.0.6.tgz",
-      "integrity": "sha512-87GEBAkegbBcweToUrdzf3eLhWNg06FJTebl4BVJz/JgWy8CvEr9dRtX5qWphiynMSQlxxi+QqN0z5T32SLlhA=="
-    },
     "strip-ansi": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-      "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+      "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
       "requires": {
-        "ansi-regex": "^2.0.0"
+        "ansi-regex": "^3.0.0"
       }
     },
     "strip-eof": {
@@ -1892,13 +1902,21 @@
       "resolved": "https://registry.npmjs.org/strip-eof/-/strip-eof-1.0.0.tgz",
       "integrity": "sha1-u0P/VZim6wXYm1n80SnJgzE2Br8="
     },
+    "supports-color": {
+      "version": "5.4.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
+      "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
+      "dev": true,
+      "requires": {
+        "has-flag": "^3.0.0"
+      }
+    },
     "temp": {
-      "version": "0.8.3",
-      "resolved": "https://registry.npmjs.org/temp/-/temp-0.8.3.tgz",
-      "integrity": "sha1-4Ma8TSa5AxJEEOT+2BEDAU38H1k=",
+      "version": "0.8.4",
+      "resolved": "https://registry.npmjs.org/temp/-/temp-0.8.4.tgz",
+      "integrity": "sha512-s0ZZzd0BzYv5tLSptZooSjK8oj6C+c19p7Vqta9+6NPOf7r+fxq0cJe6/oN4LTC79sy5NY8ucOJNgwsKCSbfqg==",
       "requires": {
-        "os-tmpdir": "^1.0.0",
-        "rimraf": "~2.2.6"
+        "rimraf": "~2.6.2"
       }
     },
     "throng": {
@@ -1909,17 +1927,18 @@
         "lodash.defaults": "^4.0.1"
       }
     },
-    "through": {
-      "version": "2.3.8",
-      "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
-      "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU="
+    "toidentifier": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.0.tgz",
+      "integrity": "sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw=="
     },
     "tough-cookie": {
-      "version": "2.3.4",
-      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.4.tgz",
-      "integrity": "sha512-TZ6TTfI5NtZnuyy/Kecv+CnoROnyXn2DN97LontgQpCwsX2XyLYCC0ENhYkehSOwAp8rTQKc/NUIF7BkQ5rKLA==",
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.5.0.tgz",
+      "integrity": "sha512-nlLsUzgm1kfLXSXfRZMc1KLAugd4hqJHDTvc2hDIwS3mZAfMEuMbc03SujMF+GEcpaX/qboeycw6iO8JwVv2+g==",
       "requires": {
-        "punycode": "^1.4.1"
+        "psl": "^1.1.28",
+        "punycode": "^2.1.1"
       }
     },
     "tunnel-agent": {
@@ -1933,31 +1952,20 @@
     "tweetnacl": {
       "version": "0.14.5",
       "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
-      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
-      "optional": true
+      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q="
+    },
+    "tweetnacl-util": {
+      "version": "0.15.1",
+      "resolved": "https://registry.npmjs.org/tweetnacl-util/-/tweetnacl-util-0.15.1.tgz",
+      "integrity": "sha512-RKJBIj8lySrShN4w6i/BonWp2Z/uxwC3h4y7xsRrpP59ZboCd0GpEVsOnMDYLMmKBpYhb5TgHzZXy7wTfYFBRw=="
     },
     "type-is": {
-      "version": "1.6.16",
-      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.16.tgz",
-      "integrity": "sha512-HRkVv/5qY2G6I8iab9cI7v1bOIdhm94dVjQCPFElW9W+3GeDOSHmy2EBYe4VTApuzolPcmgFTN3ftVJRKR2J9Q==",
+      "version": "1.6.18",
+      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
+      "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
       "requires": {
         "media-typer": "0.3.0",
-        "mime-types": "~2.1.18"
-      },
-      "dependencies": {
-        "mime-db": {
-          "version": "1.35.0",
-          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.35.0.tgz",
-          "integrity": "sha512-JWT/IcCTsB0Io3AhWUMjRqucrHSPsSf2xKLaRldJVULioggvkJvggZ3VXNNSRkCddE6D+BUI4HEIZIA2OjwIvg=="
-        },
-        "mime-types": {
-          "version": "2.1.19",
-          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.19.tgz",
-          "integrity": "sha512-P1tKYHVSZ6uFo26mtnve4HQFE3koh1UWVkp8YUC+ESBHe945xWSoXuHHiGarDqcEZ+whpCDnlNw5LON0kLo+sw==",
-          "requires": {
-            "mime-db": "~1.35.0"
-          }
-        }
+        "mime-types": "~2.1.24"
       }
     },
     "typedarray": {
@@ -1970,6 +1978,14 @@
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
       "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
     },
+    "uri-js": {
+      "version": "4.4.0",
+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.0.tgz",
+      "integrity": "sha512-B0yRTzYdUCCn9n+F4+Gh4yIDtMQcaJsmYBDsTSG8g/OejKBodLQ2IHfN3bM7jUsRXndopT7OIXWdYqc1fjmV6g==",
+      "requires": {
+        "punycode": "^2.1.0"
+      }
+    },
     "util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
@@ -1981,14 +1997,14 @@
       "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
     },
     "uuid": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.1.0.tgz",
-      "integrity": "sha512-DIWtzUkw04M4k3bf1IcpS2tngXEL26YUD2M0tMDUpnUrz2hgzUBlD55a4FjdLGPvfHxS6uluGWvaVEqgBcVa+g=="
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
+      "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A=="
     },
     "vary": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.1.tgz",
-      "integrity": "sha1-Z1Neu2lMHVIldFeYRmUyP1h+jTc="
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
     },
     "verror": {
       "version": "1.10.0",
@@ -1998,19 +2014,12 @@
         "assert-plus": "^1.0.0",
         "core-util-is": "1.0.2",
         "extsprintf": "^1.2.0"
-      },
-      "dependencies": {
-        "assert-plus": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
-          "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
-        }
       }
     },
     "which": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/which/-/which-1.3.0.tgz",
-      "integrity": "sha512-xcJpopdamTuY5duC/KnTTNBraPK54YwpenP4lzxU8H91GudWpFv38u0CKjclE1Wi2EH2EDz5LRcHcKbCIzqGyg==",
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
+      "integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
       "requires": {
         "isexe": "^2.0.0"
       }
@@ -2029,6 +2038,11 @@
         "strip-ansi": "^3.0.1"
       },
       "dependencies": {
+        "ansi-regex": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+          "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
+        },
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
@@ -2046,19 +2060,34 @@
             "is-fullwidth-code-point": "^1.0.0",
             "strip-ansi": "^3.0.0"
           }
+        },
+        "strip-ansi": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
+          "requires": {
+            "ansi-regex": "^2.0.0"
+          }
         }
       }
     },
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
-      "dev": true
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
+    },
+    "ws": {
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-5.1.1.tgz",
+      "integrity": "sha512-bOusvpCb09TOBLbpMKszd45WKC2KPtxiyiHanv+H2DE3Az+1db5a/L7sVJZVDPUC1Br8f0SKRr1KjLpD1U/IAw==",
+      "requires": {
+        "async-limiter": "~1.0.0"
+      }
     },
     "xtend": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
-      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
+      "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ=="
     },
     "y18n": {
       "version": "3.2.1",
diff --git a/package.json b/package.json
index 1cf39ef..82a6003 100644
--- a/package.json
+++ b/package.json
@@ -27,6 +27,7 @@
     "request": "^2.87.0",
     "request-promise-native": "^1.0.5",
     "server-destroy": "^1.0.1",
+    "socketcluster-client": "^13.0.0",
     "temp": "^0.8.3",
     "throng": "^4.0.0",
     "uuid": "^3.0.1"
diff --git a/socketcluster/.dockerignore b/socketcluster/.dockerignore
new file mode 100644
index 0000000..c2658d7
--- /dev/null
+++ b/socketcluster/.dockerignore
@@ -0,0 +1 @@
+node_modules/
diff --git a/socketcluster/Dockerfile b/socketcluster/Dockerfile
new file mode 100644
index 0000000..afedc80
--- /dev/null
+++ b/socketcluster/Dockerfile
@@ -0,0 +1,15 @@
+FROM node:8-slim
+
+LABEL maintainer="Jonathan Gros-Dubois"
+LABEL version="13.1.7"
+LABEL description="Docker file for SocketCluster with support for clustering."
+
+RUN mkdir -p /usr/src/
+WORKDIR /usr/src/
+COPY . /usr/src/
+
+RUN npm install .
+
+EXPOSE 8000
+
+CMD ["npm", "run", "start:docker"]
diff --git a/socketcluster/README.md b/socketcluster/README.md
new file mode 100644
index 0000000..f4a3856
--- /dev/null
+++ b/socketcluster/README.md
@@ -0,0 +1,5 @@
+SocketCluster Sample App
+======
+
+This is a sample SocketCluster app.
+
diff --git a/socketcluster/broker.js b/socketcluster/broker.js
new file mode 100644
index 0000000..4297c34
--- /dev/null
+++ b/socketcluster/broker.js
@@ -0,0 +1,29 @@
+var SCBroker = require('socketcluster/scbroker');
+var scClusterBrokerClient = require('scc-broker-client');
+
+class Broker extends SCBroker {
+  run() {
+    console.log('   >> Broker PID:', process.pid);
+
+    // This is defined in server.js (taken from environment variable SC_CLUSTER_STATE_SERVER_HOST).
+    // If this property is defined, the broker will try to attach itself to the SC cluster for
+    // automatic horizontal scalability.
+    // This is mostly intended for the Kubernetes deployment of SocketCluster - In this case,
+    // The clustering/sharding all happens automatically.
+
+    if (this.options.clusterStateServerHost) {
+      scClusterBrokerClient.attach(this, {
+        stateServerHost: this.options.clusterStateServerHost,
+        stateServerPort: this.options.clusterStateServerPort,
+        mappingEngine: this.options.clusterMappingEngine,
+        clientPoolSize: this.options.clusterClientPoolSize,
+        authKey: this.options.clusterAuthKey,
+        stateServerConnectTimeout: this.options.clusterStateServerConnectTimeout,
+        stateServerAckTimeout: this.options.clusterStateServerAckTimeout,
+        stateServerReconnectRandomness: this.options.clusterStateServerReconnectRandomness
+      });
+    }
+  }
+}
+
+new Broker();
diff --git a/socketcluster/dockerwait.js b/socketcluster/dockerwait.js
new file mode 100644
index 0000000..8e13de3
--- /dev/null
+++ b/socketcluster/dockerwait.js
@@ -0,0 +1,23 @@
+/*
+  This script waits for the master controller script to become available.
+  With orchestrators like Kubernetes, the master controller file may be fed in through
+  a volume container at runtime and so it is necessary to wait for it before launch.
+*/
+
+var fsUtil = require('socketcluster/fsutil');
+var waitForFile = fsUtil.waitForFile;
+
+var SOCKETCLUSTER_MASTER_DEFAULT_CONTROLLER = './server.js';
+var masterControllerPath = process.env.SOCKETCLUSTER_MASTER_CONTROLLER || SOCKETCLUSTER_MASTER_DEFAULT_CONTROLLER;
+var bootCheckInterval = Number(process.env.SOCKETCLUSTER_BOOT_CHECK_INTERVAL) || 200;
+var bootTimeout = Number(process.env.SOCKETCLUSTER_CONTROLLER_BOOT_TIMEOUT) || 10000;
+var bootStartTime = Date.now();
+
+var errorMessage = `Failed to locate the master controller file at path ${masterControllerPath} ` +
+`before SOCKETCLUSTER_CONTROLLER_BOOT_TIMEOUT`;
+
+waitForFile(masterControllerPath, bootCheckInterval, bootStartTime, bootTimeout, errorMessage)
+.catch((err) => {
+  console.error('> Boot error: ' + err.message);
+  process.exit(1);
+});
diff --git a/socketcluster/package-lock.json b/socketcluster/package-lock.json
new file mode 100644
index 0000000..c31bcf0
--- /dev/null
+++ b/socketcluster/package-lock.json
@@ -0,0 +1,1477 @@
+{
+  "name": "socketcluster-sample",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "dependencies": {
+    "accepts": {
+      "version": "1.3.5",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.5.tgz",
+      "integrity": "sha1-63d99gEXI6OxTopywIBcjoZ0a9I="
+    },
+    "ansi-escapes": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-3.1.0.tgz",
+      "integrity": "sha512-UgAb8H9D41AQnu/PbWlCofQVcnV4Gs2bBJi9eZPxfU/hgglFh3SMDMENRIqdr7H6XFnXdoknctFByVsCOotTVw=="
+    },
+    "ansi-regex": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
+      "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg="
+    },
+    "ansi-styles": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+      "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA=="
+    },
+    "anymatch": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-1.3.2.tgz",
+      "integrity": "sha512-0XNayC8lTHQ2OI8aljNCN3sSx6hsr/1+rlcDAotXJR7C1oZZHCNsfpbKwMjRA3Uqb5tF1Rae2oloTr4xpq+WjA=="
+    },
+    "arr-diff": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-2.0.0.tgz",
+      "integrity": "sha1-jzuCf5Vai9ZpaX5KQlasPOrjVs8="
+    },
+    "arr-flatten": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/arr-flatten/-/arr-flatten-1.1.0.tgz",
+      "integrity": "sha512-L3hKV5R/p5o81R7O02IGnwpDmkp6E982XhtbuwSe3O4qOtMMMtodicASA1Cny2U+aCXcNpml+m4dPsvsJ3jatg=="
+    },
+    "array-flatten": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
+      "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
+    },
+    "array-unique": {
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+    },
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+    },
+    "statuses": {
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+    },
+    "string_decoder": {
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+    },
+    "string-width": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
+      "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw=="
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+    "strip-ansi": {
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+      "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8="
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+    "symbol-observable": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/symbol-observable/-/symbol-observable-1.0.1.tgz",
+      "integrity": "sha1-g0D8RwLDEi310iKI+IKD9RPT/dQ="
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+    },
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+      "integrity": "sha1-DqEOgDXo61uOREnwbaHHMGY7qoE="
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+      "integrity": "sha1-ApT7kiu5N1FTVBxPcJYjHyh8ivg="
+    },
+    "uuid": {
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+    },
+    "vary": {
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+      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
+    },
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+      "version": "1.0.2",
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+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
+    },
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+    }
+  }
+}
diff --git a/socketcluster/package.json b/socketcluster/package.json
new file mode 100644
index 0000000..f8640e5
--- /dev/null
+++ b/socketcluster/package.json
@@ -0,0 +1,36 @@
+{
+  "name": "socketcluster-sample",
+  "description": "A sample SocketCluster app",
+  "version": "1.0.0",
+  "contributors": [
+    {
+      "name": "Jonathan Gros-Dubois",
+      "email": "grosjona@yahoo.com.au"
+    }
+  ],
+  "dependencies": {
+    "connect": "3.0.1",
+    "express": "4.16.3",
+    "minimist": "1.1.0",
+    "morgan": "1.7.0",
+    "sc-errors": "^1.4.0",
+    "sc-framework-health-check": "^2.0.0",
+    "sc-hot-reboot": "^1.0.0",
+    "scc-broker-client": "^5.0.2",
+    "serve-static": "1.13.2",
+    "socketcluster": "^13.1.8",
+    "socketcluster-client": "^13.0.0"
+  },
+  "keywords": [
+    "websocket",
+    "server",
+    "realtime",
+    "cluster",
+    "scalable"
+  ],
+  "readmeFilename": "README.md",
+  "scripts": {
+    "start": "node server.js",
+    "start:docker": "node dockerwait.js && node ${SOCKETCLUSTER_MASTER_CONTROLLER:-server.js}"
+  }
+}
diff --git a/socketcluster/public/favicon.ico b/socketcluster/public/favicon.ico
new file mode 100644
index 0000000..e286d11
Binary files /dev/null and b/socketcluster/public/favicon.ico differ
diff --git a/socketcluster/public/img/logo.png b/socketcluster/public/img/logo.png
new file mode 100644
index 0000000..fc8989a
Binary files /dev/null and b/socketcluster/public/img/logo.png differ
diff --git a/socketcluster/public/index.html b/socketcluster/public/index.html
new file mode 100644
index 0000000..283ec61
--- /dev/null
+++ b/socketcluster/public/index.html
@@ -0,0 +1,99 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>SocketCluster</title>
+    <link href="//fonts.googleapis.com/css?family=Roboto:100,300" rel="stylesheet" type="text/css">
+    <link rel="icon" type="image/png" href="/favicon.ico">
+    <script type="text/javascript" src="/socketcluster.js"></script>
+    <style>
+      html {
+        height: 100%;
+      }
+      body {
+        margin: 0;
+        padding: 0;
+        width: 100%;
+        height: 100%;
+        color: #666666;
+        display: table;
+        font-weight: 100;
+        font-family: 'Roboto', Helvetica, sans-serif;
+      }
+      a {
+        font-weight: 300;
+        color: #72B963;
+      }
+      .container {
+        display: table-cell;
+        text-align: center;
+        vertical-align: middle;
+      }
+      .content {
+        text-align: center;
+        display: inline-block;
+      }
+
+      .title {
+        font-size: 96px;
+        margin-bottom: 20px;
+      }
+
+      .text {
+        font-size: 24px;
+        margin-bottom: 20px;
+      }
+      .small {
+        font-size: 18px;
+      }
+
+      .github-button {
+        padding-top: 10px;
+      }
+    </style>
+  </head>
+  <body>
+    <div class="container">
+      <div class="content">
+        <div class="title">
+          SocketCluster
+        </div>
+        <div class="text">
+          Design is not just what it looks like and feels like. Design is how it works. &mdash; Steve Jobs
+        </div>
+        <div class="small">
+          <a href="http://socketcluster.io/#!/docs/getting-started">Getting Started</a> <strong>&middot;</strong>
+          <a href="http://socketcluster.io/#!/docs">Documentation</a>
+        </div>
+        <p class="github-button">
+          <iframe src="https://ghbtns.com/github-btn.html?user=socketcluster&repo=socketcluster&type=star&count=true&size=large" frameborder="0" scrolling="0" width="160px" height="30px"></iframe>
+        </p>
+      </div>
+    </div>
+    <script type="text/javascript">
+      // Initiate the connection to the server
+      var socket = socketCluster.connect();
+
+      socket.on('error', function (err) {
+        console.error(err);
+      });
+
+      socket.on('connect', function () {
+        console.log('Socket is connected');
+      });
+
+      socket.on('random', function (data) {
+        console.log('Received "random" event with data: ' + data.number);
+      });
+
+      var sampleChannel = socket.subscribe('sample');
+
+      sampleChannel.on('subscribeFail', function (err) {
+        console.error('Failed to subscribe to the sample channel due to error: ' + err);
+      });
+
+      sampleChannel.watch(function (num) {
+        console.log('Sample channel message:', num);
+      });
+    </script>
+  </body>
+</html>
diff --git a/socketcluster/public/socketcluster.js b/socketcluster/public/socketcluster.js
new file mode 100644
index 0000000..14e1d09
--- /dev/null
+++ b/socketcluster/public/socketcluster.js
@@ -0,0 +1,5685 @@
+/**
+ * SocketCluster JavaScript client v13.0.0
+ */
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.socketCluster = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(_dereq_,module,exports){
+var SCClientSocket = _dereq_('./lib/scclientsocket');
+var factory = _dereq_('./lib/factory');
+
+module.exports.factory = factory;
+module.exports.SCClientSocket = SCClientSocket;
+
+module.exports.Emitter = _dereq_('component-emitter');
+
+module.exports.create = function (options) {
+  return factory.create(options);
+};
+
+module.exports.connect = module.exports.create;
+
+module.exports.destroy = function (socket) {
+  return factory.destroy(socket);
+};
+
+module.exports.clients = factory.clients;
+
+module.exports.version = '13.0.0';
+
+},{"./lib/factory":3,"./lib/scclientsocket":5,"component-emitter":12}],2:[function(_dereq_,module,exports){
+(function (global){
+var AuthEngine = function () {
+  this._internalStorage = {};
+  this.isLocalStorageEnabled = this._checkLocalStorageEnabled();
+};
+
+AuthEngine.prototype._checkLocalStorageEnabled = function () {
+  var err;
+  try {
+    // Some browsers will throw an error here if localStorage is disabled.
+    global.localStorage;
+
+    // Safari, in Private Browsing Mode, looks like it supports localStorage but all calls to setItem
+    // throw QuotaExceededError. We're going to detect this and avoid hard to debug edge cases.
+    global.localStorage.setItem('__scLocalStorageTest', 1);
+    global.localStorage.removeItem('__scLocalStorageTest');
+  } catch (e) {
+    err = e;
+  }
+  return !err;
+};
+
+AuthEngine.prototype.saveToken = function (name, token, options, callback) {
+  if (this.isLocalStorageEnabled && global.localStorage) {
+    global.localStorage.setItem(name, token);
+  } else {
+    this._internalStorage[name] = token;
+  }
+  callback && callback(null, token);
+};
+
+AuthEngine.prototype.removeToken = function (name, callback) {
+  var token;
+
+  this.loadToken(name, function (err, authToken) {
+    token = authToken;
+  });
+
+  if (this.isLocalStorageEnabled && global.localStorage) {
+    global.localStorage.removeItem(name);
+  } else {
+    delete this._internalStorage[name];
+  }
+
+  callback && callback(null, token);
+};
+
+AuthEngine.prototype.loadToken = function (name, callback) {
+  var token;
+
+  if (this.isLocalStorageEnabled && global.localStorage) {
+    token = global.localStorage.getItem(name);
+  } else {
+    token = this._internalStorage[name] || null;
+  }
+  callback(null, token);
+};
+
+module.exports.AuthEngine = AuthEngine;
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],3:[function(_dereq_,module,exports){
+(function (global){
+var SCClientSocket = _dereq_('./scclientsocket');
+var scErrors = _dereq_('sc-errors');
+var uuid = _dereq_('uuid');
+var InvalidArgumentsError = scErrors.InvalidArgumentsError;
+
+var _clients = {};
+
+function getMultiplexId(options) {
+  var protocolPrefix = options.secure ? 'https://' : 'http://';
+  var queryString = '';
+  if (options.query) {
+    if (typeof options.query == 'string') {
+      queryString = options.query;
+    } else {
+      var queryArray = [];
+      var queryMap = options.query;
+      for (var key in queryMap) {
+        if (queryMap.hasOwnProperty(key)) {
+          queryArray.push(key + '=' + queryMap[key]);
+        }
+      }
+      if (queryArray.length) {
+        queryString = '?' + queryArray.join('&');
+      }
+    }
+  }
+  var host;
+  if (options.host) {
+    host = options.host;
+  } else {
+    host = options.hostname + ':' + options.port;
+  }
+  return protocolPrefix + host + options.path + queryString;
+}
+
+function isUrlSecure() {
+  return global.location && location.protocol == 'https:';
+}
+
+function getPort(options, isSecureDefault) {
+  var isSecure = options.secure == null ? isSecureDefault : options.secure;
+  return options.port || (global.location && location.port ? location.port : isSecure ? 443 : 80);
+}
+
+function create(options) {
+  var self = this;
+
+  options = options || {};
+
+  if (options.host && !options.host.match(/[^:]+:\d{2,5}/)) {
+    throw new InvalidArgumentsError('The host option should include both' +
+      ' the hostname and the port number in the format "hostname:port"');
+  }
+
+  if (options.host && options.hostname) {
+    throw new InvalidArgumentsError('The host option should already include' +
+      ' the hostname and the port number in the format "hostname:port"' +
+      ' - Because of this, you should never use host and hostname options together');
+  }
+
+  if (options.host && options.port) {
+    throw new InvalidArgumentsError('The host option should already include' +
+      ' the hostname and the port number in the format "hostname:port"' +
+      ' - Because of this, you should never use host and port options together');
+  }
+
+  var isSecureDefault = isUrlSecure();
+
+  var opts = {
+    port: getPort(options, isSecureDefault),
+    hostname: global.location && location.hostname || 'localhost',
+    path: '/socketcluster/',
+    secure: isSecureDefault,
+    autoConnect: true,
+    autoReconnect: true,
+    autoSubscribeOnConnect: true,
+    connectTimeout: 20000,
+    ackTimeout: 10000,
+    timestampRequests: false,
+    timestampParam: 't',
+    authEngine: null,
+    authTokenName: 'socketCluster.authToken',
+    binaryType: 'arraybuffer',
+    multiplex: true,
+    pubSubBatchDuration: null,
+    cloneData: false
+  };
+  for (var i in options) {
+    if (options.hasOwnProperty(i)) {
+      opts[i] = options[i];
+    }
+  }
+  opts.clientMap = _clients;
+
+  if (opts.multiplex === false) {
+    opts.clientId = uuid.v4();
+    var socket = new SCClientSocket(opts);
+    _clients[opts.clientId] = socket;
+    return socket;
+  }
+  opts.clientId = getMultiplexId(opts);
+
+  if (_clients[opts.clientId]) {
+    if (opts.autoConnect) {
+      _clients[opts.clientId].connect();
+    }
+  } else {
+    _clients[opts.clientId] = new SCClientSocket(opts);
+  }
+  return _clients[opts.clientId];
+}
+
+function destroy(socket) {
+  socket.destroy();
+}
+
+module.exports = {
+  create: create,
+  destroy: destroy,
+  clients: _clients
+};
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./scclientsocket":5,"sc-errors":21,"uuid":23}],4:[function(_dereq_,module,exports){
+var scErrors = _dereq_('sc-errors');
+var InvalidActionError = scErrors.InvalidActionError;
+
+var Response = function (socket, id) {
+  this.socket = socket;
+  this.id = id;
+  this.sent = false;
+};
+
+Response.prototype._respond = function (responseData) {
+  if (this.sent) {
+    throw new InvalidActionError('Response ' + this.id + ' has already been sent');
+  } else {
+    this.sent = true;
+    this.socket.send(this.socket.encode(responseData));
+  }
+};
+
+Response.prototype.end = function (data) {
+  if (this.id) {
+    var responseData = {
+      rid: this.id
+    };
+    if (data !== undefined) {
+      responseData.data = data;
+    }
+    this._respond(responseData);
+  }
+};
+
+Response.prototype.error = function (error, data) {
+  if (this.id) {
+    var err = scErrors.dehydrateError(error);
+
+    var responseData = {
+      rid: this.id,
+      error: err
+    };
+    if (data !== undefined) {
+      responseData.data = data;
+    }
+
+    this._respond(responseData);
+  }
+};
+
+Response.prototype.callback = function (error, data) {
+  if (error) {
+    this.error(error, data);
+  } else {
+    this.end(data);
+  }
+};
+
+module.exports.Response = Response;
+
+},{"sc-errors":21}],5:[function(_dereq_,module,exports){
+(function (global,Buffer){
+var Emitter = _dereq_('component-emitter');
+var SCChannel = _dereq_('sc-channel').SCChannel;
+var Response = _dereq_('./response').Response;
+var AuthEngine = _dereq_('./auth').AuthEngine;
+var formatter = _dereq_('sc-formatter');
+var SCTransport = _dereq_('./sctransport').SCTransport;
+var querystring = _dereq_('querystring');
+var LinkedList = _dereq_('linked-list');
+var base64 = _dereq_('base-64');
+var clone = _dereq_('clone');
+
+var scErrors = _dereq_('sc-errors');
+var InvalidArgumentsError = scErrors.InvalidArgumentsError;
+var InvalidMessageError = scErrors.InvalidMessageError;
+var InvalidActionError = scErrors.InvalidActionError;
+var SocketProtocolError = scErrors.SocketProtocolError;
+var TimeoutError = scErrors.TimeoutError;
+var BadConnectionError = scErrors.BadConnectionError;
+
+var isBrowser = typeof window != 'undefined';
+
+
+var SCClientSocket = function (opts) {
+  var self = this;
+
+  Emitter.call(this);
+
+  this.id = null;
+  this.state = this.CLOSED;
+  this.authState = this.UNAUTHENTICATED;
+  this.signedAuthToken = null;
+  this.authToken = null;
+  this.pendingReconnect = false;
+  this.pendingReconnectTimeout = null;
+  this.preparingPendingSubscriptions = false;
+  this.clientId = opts.clientId;
+
+  this.connectTimeout = opts.connectTimeout;
+  this.ackTimeout = opts.ackTimeout;
+  this.channelPrefix = opts.channelPrefix || null;
+  this.disconnectOnUnload = opts.disconnectOnUnload == null ? true : opts.disconnectOnUnload;
+  this.authTokenName = opts.authTokenName;
+
+  // pingTimeout will be ackTimeout at the start, but it will
+  // be updated with values provided by the 'connect' event
+  this.pingTimeout = this.ackTimeout;
+  this.pingTimeoutDisabled = !!opts.pingTimeoutDisabled;
+  this.active = true;
+
+  this._clientMap = opts.clientMap || {};
+
+  var maxTimeout = Math.pow(2, 31) - 1;
+
+  var verifyDuration = function (propertyName) {
+    if (self[propertyName] > maxTimeout) {
+      throw new InvalidArgumentsError('The ' + propertyName +
+        ' value provided exceeded the maximum amount allowed');
+    }
+  };
+
+  verifyDuration('connectTimeout');
+  verifyDuration('ackTimeout');
+
+  this._localEvents = {
+    'connect': 1,
+    'connectAbort': 1,
+    'close': 1,
+    'disconnect': 1,
+    'message': 1,
+    'error': 1,
+    'raw': 1,
+    'kickOut': 1,
+    'subscribe': 1,
+    'unsubscribe': 1,
+    'subscribeStateChange': 1,
+    'authStateChange': 1,
+    'authenticate': 1,
+    'deauthenticate': 1,
+    'removeAuthToken': 1,
+    'subscribeRequest': 1
+  };
+
+  this.connectAttempts = 0;
+
+  this._emitBuffer = new LinkedList();
+  this.channels = {};
+
+  this.options = opts;
+
+  this._cid = 1;
+
+  this.options.callIdGenerator = function () {
+    return self._cid++;
+  };
+
+  if (this.options.autoReconnect) {
+    if (this.options.autoReconnectOptions == null) {
+      this.options.autoReconnectOptions = {};
+    }
+
+    // Add properties to the this.options.autoReconnectOptions object.
+    // We assign the reference to a reconnectOptions variable to avoid repetition.
+    var reconnectOptions = this.options.autoReconnectOptions;
+    if (reconnectOptions.initialDelay == null) {
+      reconnectOptions.initialDelay = 10000;
+    }
+    if (reconnectOptions.randomness == null) {
+      reconnectOptions.randomness = 10000;
+    }
+    if (reconnectOptions.multiplier == null) {
+      reconnectOptions.multiplier = 1.5;
+    }
+    if (reconnectOptions.maxDelay == null) {
+      reconnectOptions.maxDelay = 60000;
+    }
+  }
+
+  if (this.options.subscriptionRetryOptions == null) {
+    this.options.subscriptionRetryOptions = {};
+  }
+
+  if (this.options.authEngine) {
+    this.auth = this.options.authEngine;
+  } else {
+    this.auth = new AuthEngine();
+  }
+
+  if (this.options.codecEngine) {
+    this.codec = this.options.codecEngine;
+  } else {
+    // Default codec engine
+    this.codec = formatter;
+  }
+
+  this.options.path = this.options.path.replace(/\/$/, '') + '/';
+
+  this.options.query = opts.query || {};
+  if (typeof this.options.query == 'string') {
+    this.options.query = querystring.parse(this.options.query);
+  }
+
+  this._channelEmitter = new Emitter();
+
+  this._unloadHandler = function () {
+    self.disconnect();
+  };
+
+  if (isBrowser && this.disconnectOnUnload && global.addEventListener) {
+    global.addEventListener('beforeunload', this._unloadHandler, false);
+  }
+  this._clientMap[this.clientId] = this;
+
+  if (this.options.autoConnect) {
+    this.connect();
+  }
+};
+
+SCClientSocket.prototype = Object.create(Emitter.prototype);
+
+SCClientSocket.CONNECTING = SCClientSocket.prototype.CONNECTING = SCTransport.prototype.CONNECTING;
+SCClientSocket.OPEN = SCClientSocket.prototype.OPEN = SCTransport.prototype.OPEN;
+SCClientSocket.CLOSED = SCClientSocket.prototype.CLOSED = SCTransport.prototype.CLOSED;
+
+SCClientSocket.AUTHENTICATED = SCClientSocket.prototype.AUTHENTICATED = 'authenticated';
+SCClientSocket.UNAUTHENTICATED = SCClientSocket.prototype.UNAUTHENTICATED = 'unauthenticated';
+
+SCClientSocket.PENDING = SCClientSocket.prototype.PENDING = 'pending';
+
+SCClientSocket.ignoreStatuses = scErrors.socketProtocolIgnoreStatuses;
+SCClientSocket.errorStatuses = scErrors.socketProtocolErrorStatuses;
+
+SCClientSocket.prototype._privateEventHandlerMap = {
+  '#publish': function (data) {
+    var undecoratedChannelName = this._undecorateChannelName(data.channel);
+    var isSubscribed = this.isSubscribed(undecoratedChannelName, true);
+
+    if (isSubscribed) {
+      this._channelEmitter.emit(undecoratedChannelName, data.data);
+    }
+  },
+  '#kickOut': function (data) {
+    var undecoratedChannelName = this._undecorateChannelName(data.channel);
+    var channel = this.channels[undecoratedChannelName];
+    if (channel) {
+      Emitter.prototype.emit.call(this, 'kickOut', data.message, undecoratedChannelName);
+      channel.emit('kickOut', data.message, undecoratedChannelName);
+      this._triggerChannelUnsubscribe(channel);
+    }
+  },
+  '#setAuthToken': function (data, response) {
+    var self = this;
+
+    if (data) {
+      var triggerAuthenticate = function (err) {
+        if (err) {
+          // This is a non-fatal error, we don't want to close the connection
+          // because of this but we do want to notify the server and throw an error
+          // on the client.
+          response.error(err);
+          self._onSCError(err);
+        } else {
+          self._changeToAuthenticatedState(data.token);
+          response.end();
+        }
+      };
+
+      this.auth.saveToken(this.authTokenName, data.token, {}, triggerAuthenticate);
+    } else {
+      response.error(new InvalidMessageError('No token data provided by #setAuthToken event'));
+    }
+  },
+  '#removeAuthToken': function (data, response) {
+    var self = this;
+
+    this.auth.removeToken(this.authTokenName, function (err, oldToken) {
+      if (err) {
+        // Non-fatal error - Do not close the connection
+        response.error(err);
+        self._onSCError(err);
+      } else {
+        Emitter.prototype.emit.call(self, 'removeAuthToken', oldToken);
+        self._changeToUnauthenticatedStateAndClearTokens();
+        response.end();
+      }
+    });
+  },
+  '#disconnect': function (data) {
+    this.transport.close(data.code, data.data);
+  }
+};
+
+SCClientSocket.prototype.getState = function () {
+  return this.state;
+};
+
+SCClientSocket.prototype.getBytesReceived = function () {
+  return this.transport.getBytesReceived();
+};
+
+SCClientSocket.prototype.deauthenticate = function (callback) {
+  var self = this;
+
+  this.auth.removeToken(this.authTokenName, function (err, oldToken) {
+    if (err) {
+      // Non-fatal error - Do not close the connection
+      self._onSCError(err);
+    } else {
+      Emitter.prototype.emit.call(self, 'removeAuthToken', oldToken);
+      if (self.state != self.CLOSED) {
+        self.emit('#removeAuthToken');
+      }
+      self._changeToUnauthenticatedStateAndClearTokens();
+    }
+    callback && callback(err);
+  });
+};
+
+SCClientSocket.prototype.connect = SCClientSocket.prototype.open = function () {
+  var self = this;
+
+  if (!this.active) {
+    var error = new InvalidActionError('Cannot connect a destroyed client');
+    this._onSCError(error);
+    return;
+  }
+
+  if (this.state == this.CLOSED) {
+    this.pendingReconnect = false;
+    this.pendingReconnectTimeout = null;
+    clearTimeout(this._reconnectTimeoutRef);
+
+    this.state = this.CONNECTING;
+    Emitter.prototype.emit.call(this, 'connecting');
+
+    if (this.transport) {
+      this.transport.off();
+    }
+
+    this.transport = new SCTransport(this.auth, this.codec, this.options);
+
+    this.transport.on('open', function (status) {
+      self.state = self.OPEN;
+      self._onSCOpen(status);
+    });
+
+    this.transport.on('error', function (err) {
+      self._onSCError(err);
+    });
+
+    this.transport.on('close', function (code, data) {
+      self.state = self.CLOSED;
+      self._onSCClose(code, data);
+    });
+
+    this.transport.on('openAbort', function (code, data) {
+      self.state = self.CLOSED;
+      self._onSCClose(code, data, true);
+    });
+
+    this.transport.on('event', function (event, data, res) {
+      self._onSCEvent(event, data, res);
+    });
+  }
+};
+
+SCClientSocket.prototype.reconnect = function (code, data) {
+  this.disconnect(code, data);
+  this.connect();
+};
+
+SCClientSocket.prototype.disconnect = function (code, data) {
+  code = code || 1000;
+
+  if (typeof code != 'number') {
+    throw new InvalidArgumentsError('If specified, the code argument must be a number');
+  }
+
+  if (this.state == this.OPEN || this.state == this.CONNECTING) {
+    this.transport.close(code, data);
+  } else {
+    this.pendingReconnect = false;
+    this.pendingReconnectTimeout = null;
+    clearTimeout(this._reconnectTimeoutRef);
+  }
+};
+
+SCClientSocket.prototype.destroy = function (code, data) {
+  if (isBrowser && global.removeEventListener) {
+    global.removeEventListener('beforeunload', this._unloadHandler, false);
+  }
+  this.active = false;
+  this.disconnect(code, data);
+  delete this._clientMap[this.clientId];
+};
+
+SCClientSocket.prototype._changeToUnauthenticatedStateAndClearTokens = function () {
+  if (this.authState != this.UNAUTHENTICATED) {
+    var oldState = this.authState;
+    var oldSignedToken = this.signedAuthToken;
+    this.authState = this.UNAUTHENTICATED;
+    this.signedAuthToken = null;
+    this.authToken = null;
+
+    var stateChangeData = {
+      oldState: oldState,
+      newState: this.authState
+    };
+    Emitter.prototype.emit.call(this, 'authStateChange', stateChangeData);
+    Emitter.prototype.emit.call(this, 'deauthenticate', oldSignedToken);
+  }
+};
+
+SCClientSocket.prototype._changeToAuthenticatedState = function (signedAuthToken) {
+  this.signedAuthToken = signedAuthToken;
+  this.authToken = this._extractAuthTokenData(signedAuthToken);
+
+  if (this.authState != this.AUTHENTICATED) {
+    var oldState = this.authState;
+    this.authState = this.AUTHENTICATED;
+    var stateChangeData = {
+      oldState: oldState,
+      newState: this.authState,
+      signedAuthToken: signedAuthToken,
+      authToken: this.authToken
+    };
+    if (!this.preparingPendingSubscriptions) {
+      this.processPendingSubscriptions();
+    }
+
+    Emitter.prototype.emit.call(this, 'authStateChange', stateChangeData);
+  }
+  Emitter.prototype.emit.call(this, 'authenticate', signedAuthToken);
+};
+
+SCClientSocket.prototype.decodeBase64 = function (encodedString) {
+  var decodedString;
+  if (typeof Buffer == 'undefined') {
+    if (global.atob) {
+      decodedString = global.atob(encodedString);
+    } else {
+      decodedString = base64.decode(encodedString);
+    }
+  } else {
+    var buffer = new Buffer(encodedString, 'base64');
+    decodedString = buffer.toString('utf8');
+  }
+  return decodedString;
+};
+
+SCClientSocket.prototype.encodeBase64 = function (decodedString) {
+  var encodedString;
+  if (typeof Buffer == 'undefined') {
+    if (global.btoa) {
+      encodedString = global.btoa(decodedString);
+    } else {
+      encodedString = base64.encode(decodedString);
+    }
+  } else {
+    var buffer = new Buffer(decodedString, 'utf8');
+    encodedString = buffer.toString('base64');
+  }
+  return encodedString;
+};
+
+SCClientSocket.prototype._extractAuthTokenData = function (signedAuthToken) {
+  var tokenParts = (signedAuthToken || '').split('.');
+  var encodedTokenData = tokenParts[1];
+  if (encodedTokenData != null) {
+    var tokenData = encodedTokenData;
+    try {
+      tokenData = this.decodeBase64(tokenData);
+      return JSON.parse(tokenData);
+    } catch (e) {
+      return tokenData;
+    }
+  }
+  return null;
+};
+
+SCClientSocket.prototype.getAuthToken = function () {
+  return this.authToken;
+};
+
+SCClientSocket.prototype.getSignedAuthToken = function () {
+  return this.signedAuthToken;
+};
+
+// Perform client-initiated authentication by providing an encrypted token string.
+SCClientSocket.prototype.authenticate = function (signedAuthToken, callback) {
+  var self = this;
+
+  this.emit('#authenticate', signedAuthToken, function (err, authStatus) {
+    if (authStatus && authStatus.isAuthenticated != null) {
+      // If authStatus is correctly formatted (has an isAuthenticated property),
+      // then we will rehydrate the authError.
+      if (authStatus.authError) {
+        authStatus.authError = scErrors.hydrateError(authStatus.authError);
+      }
+    } else {
+      // Some errors like BadConnectionError and TimeoutError will not pass a valid
+      // authStatus object to the current function, so we need to create it ourselves.
+      authStatus = {
+        isAuthenticated: self.authState,
+        authError: null
+      };
+    }
+    if (err) {
+      if (err.name != 'BadConnectionError' && err.name != 'TimeoutError') {
+        // In case of a bad/closed connection or a timeout, we maintain the last
+        // known auth state since those errors don't mean that the token is invalid.
+
+        self._changeToUnauthenticatedStateAndClearTokens();
+      }
+      callback && callback(err, authStatus);
+    } else {
+      self.auth.saveToken(self.authTokenName, signedAuthToken, {}, function (err) {
+        if (err) {
+          self._onSCError(err);
+        }
+        if (authStatus.isAuthenticated) {
+          self._changeToAuthenticatedState(signedAuthToken);
+        } else {
+          self._changeToUnauthenticatedStateAndClearTokens();
+        }
+        callback && callback(err, authStatus);
+      });
+    }
+  });
+};
+
+SCClientSocket.prototype._tryReconnect = function (initialDelay) {
+  var self = this;
+
+  var exponent = this.connectAttempts++;
+  var reconnectOptions = this.options.autoReconnectOptions;
+  var timeout;
+
+  if (initialDelay == null || exponent > 0) {
+    var initialTimeout = Math.round(reconnectOptions.initialDelay + (reconnectOptions.randomness || 0) * Math.random());
+
+    timeout = Math.round(initialTimeout * Math.pow(reconnectOptions.multiplier, exponent));
+  } else {
+    timeout = initialDelay;
+  }
+
+  if (timeout > reconnectOptions.maxDelay) {
+    timeout = reconnectOptions.maxDelay;
+  }
+
+  clearTimeout(this._reconnectTimeoutRef);
+
+  this.pendingReconnect = true;
+  this.pendingReconnectTimeout = timeout;
+  this._reconnectTimeoutRef = setTimeout(function () {
+    self.connect();
+  }, timeout);
+};
+
+SCClientSocket.prototype._onSCOpen = function (status) {
+  var self = this;
+
+  this.preparingPendingSubscriptions = true;
+
+  if (status) {
+    this.id = status.id;
+    this.pingTimeout = status.pingTimeout;
+    this.transport.pingTimeout = this.pingTimeout;
+    if (status.isAuthenticated) {
+      this._changeToAuthenticatedState(status.authToken);
+    } else {
+      this._changeToUnauthenticatedStateAndClearTokens();
+    }
+  } else {
+    // This can happen if auth.loadToken (in sctransport.js) fails with
+    // an error - This means that the signedAuthToken cannot be loaded by
+    // the auth engine and therefore, we need to unauthenticate the client.
+    this._changeToUnauthenticatedStateAndClearTokens();
+  }
+
+  this.connectAttempts = 0;
+
+  if (this.options.autoSubscribeOnConnect) {
+    this.processPendingSubscriptions();
+  }
+
+  // If the user invokes the callback while in autoSubscribeOnConnect mode, it
+  // won't break anything.
+  Emitter.prototype.emit.call(this, 'connect', status, function () {
+    self.processPendingSubscriptions();
+  });
+
+  if (this.state == this.OPEN) {
+    this._flushEmitBuffer();
+  }
+};
+
+SCClientSocket.prototype._onSCError = function (err) {
+  var self = this;
+
+  // Throw error in different stack frame so that error handling
+  // cannot interfere with a reconnect action.
+  setTimeout(function () {
+    if (self.listeners('error').length < 1) {
+      throw err;
+    } else {
+      Emitter.prototype.emit.call(self, 'error', err);
+    }
+  }, 0);
+};
+
+SCClientSocket.prototype._suspendSubscriptions = function () {
+  var channel, newState;
+  for (var channelName in this.channels) {
+    if (this.channels.hasOwnProperty(channelName)) {
+      channel = this.channels[channelName];
+      if (channel.state == channel.SUBSCRIBED ||
+        channel.state == channel.PENDING) {
+
+        newState = channel.PENDING;
+      } else {
+        newState = channel.UNSUBSCRIBED;
+      }
+
+      this._triggerChannelUnsubscribe(channel, newState);
+    }
+  }
+};
+
+SCClientSocket.prototype._abortAllPendingEventsDueToBadConnection = function (failureType) {
+  var currentNode = this._emitBuffer.head;
+  var nextNode;
+
+  while (currentNode) {
+    nextNode = currentNode.next;
+    var eventObject = currentNode.data;
+    clearTimeout(eventObject.timeout);
+    delete eventObject.timeout;
+    currentNode.detach();
+    currentNode = nextNode;
+
+    var callback = eventObject.callback;
+    if (callback) {
+      delete eventObject.callback;
+      var errorMessage = "Event '" + eventObject.event +
+        "' was aborted due to a bad connection";
+      var error = new BadConnectionError(errorMessage, failureType);
+      callback.call(eventObject, error, eventObject);
+    }
+    // Cleanup any pending response callback in the transport layer too.
+    if (eventObject.cid) {
+      this.transport.cancelPendingResponse(eventObject.cid);
+    }
+  }
+};
+
+SCClientSocket.prototype._onSCClose = function (code, data, openAbort) {
+  var self = this;
+
+  this.id = null;
+
+  if (this.transport) {
+    this.transport.off();
+  }
+  this.pendingReconnect = false;
+  this.pendingReconnectTimeout = null;
+  clearTimeout(this._reconnectTimeoutRef);
+
+  this._suspendSubscriptions();
+  this._abortAllPendingEventsDueToBadConnection(openAbort ? 'connectAbort' : 'disconnect');
+
+  // Try to reconnect
+  // on server ping timeout (4000)
+  // or on client pong timeout (4001)
+  // or on close without status (1005)
+  // or on handshake failure (4003)
+  // or on handshake rejection (4008)
+  // or on socket hung up (1006)
+  if (this.options.autoReconnect) {
+    if (code == 4000 || code == 4001 || code == 1005) {
+      // If there is a ping or pong timeout or socket closes without
+      // status, don't wait before trying to reconnect - These could happen
+      // if the client wakes up after a period of inactivity and in this case we
+      // want to re-establish the connection as soon as possible.
+      this._tryReconnect(0);
+
+      // Codes 4500 and above will be treated as permanent disconnects.
+      // Socket will not try to auto-reconnect.
+    } else if (code != 1000 && code < 4500) {
+      this._tryReconnect();
+    }
+  }
+
+  if (openAbort) {
+    Emitter.prototype.emit.call(self, 'connectAbort', code, data);
+  } else {
+    Emitter.prototype.emit.call(self, 'disconnect', code, data);
+  }
+  Emitter.prototype.emit.call(self, 'close', code, data);
+
+  if (!SCClientSocket.ignoreStatuses[code]) {
+    var closeMessage;
+    if (data) {
+      closeMessage = 'Socket connection closed with status code ' + code + ' and reason: ' + data;
+    } else {
+      closeMessage = 'Socket connection closed with status code ' + code;
+    }
+    var err = new SocketProtocolError(SCClientSocket.errorStatuses[code] || closeMessage, code);
+    this._onSCError(err);
+  }
+};
+
+SCClientSocket.prototype._onSCEvent = function (event, data, res) {
+  var handler = this._privateEventHandlerMap[event];
+  if (handler) {
+    handler.call(this, data, res);
+  } else {
+    Emitter.prototype.emit.call(this, event, data, function () {
+      res && res.callback.apply(res, arguments);
+    });
+  }
+};
+
+SCClientSocket.prototype.decode = function (message) {
+  return this.transport.decode(message);
+};
+
+SCClientSocket.prototype.encode = function (object) {
+  return this.transport.encode(object);
+};
+
+SCClientSocket.prototype._flushEmitBuffer = function () {
+  var currentNode = this._emitBuffer.head;
+  var nextNode;
+
+  while (currentNode) {
+    nextNode = currentNode.next;
+    var eventObject = currentNode.data;
+    currentNode.detach();
+    this.transport.emitObject(eventObject);
+    currentNode = nextNode;
+  }
+};
+
+SCClientSocket.prototype._handleEventAckTimeout = function (eventObject, eventNode) {
+  if (eventNode) {
+    eventNode.detach();
+  }
+  delete eventObject.timeout;
+
+  var callback = eventObject.callback;
+  if (callback) {
+    delete eventObject.callback;
+    var error = new TimeoutError("Event response for '" + eventObject.event + "' timed out");
+    callback.call(eventObject, error, eventObject);
+  }
+  // Cleanup any pending response callback in the transport layer too.
+  if (eventObject.cid) {
+    this.transport.cancelPendingResponse(eventObject.cid);
+  }
+};
+
+SCClientSocket.prototype._emit = function (event, data, callback) {
+  var self = this;
+
+  if (this.state == this.CLOSED) {
+    this.connect();
+  }
+  var eventObject = {
+    event: event,
+    callback: callback
+  };
+
+  var eventNode = new LinkedList.Item();
+
+  if (this.options.cloneData) {
+    eventObject.data = clone(data);
+  } else {
+    eventObject.data = data;
+  }
+  eventNode.data = eventObject;
+
+  eventObject.timeout = setTimeout(function () {
+    self._handleEventAckTimeout(eventObject, eventNode);
+  }, this.ackTimeout);
+
+  this._emitBuffer.append(eventNode);
+  if (this.state == this.OPEN) {
+    this._flushEmitBuffer();
+  }
+};
+
+SCClientSocket.prototype.send = function (data) {
+  this.transport.send(data);
+};
+
+SCClientSocket.prototype.emit = function (event, data, callback) {
+  if (this._localEvents[event] == null) {
+    this._emit(event, data, callback);
+  } else if (event == 'error') {
+    Emitter.prototype.emit.call(this, event, data);
+  } else {
+    var error = new InvalidActionError('The "' + event + '" event is reserved and cannot be emitted on a client socket');
+    this._onSCError(error);
+  }
+};
+
+SCClientSocket.prototype.publish = function (channelName, data, callback) {
+  var pubData = {
+    channel: this._decorateChannelName(channelName),
+    data: data
+  };
+  this.emit('#publish', pubData, callback);
+};
+
+SCClientSocket.prototype._triggerChannelSubscribe = function (channel, subscriptionOptions) {
+  var channelName = channel.name;
+
+  if (channel.state != channel.SUBSCRIBED) {
+    var oldState = channel.state;
+    channel.state = channel.SUBSCRIBED;
+
+    var stateChangeData = {
+      channel: channelName,
+      oldState: oldState,
+      newState: channel.state,
+      subscriptionOptions: subscriptionOptions
+    };
+    channel.emit('subscribeStateChange', stateChangeData);
+    channel.emit('subscribe', channelName, subscriptionOptions);
+    Emitter.prototype.emit.call(this, 'subscribeStateChange', stateChangeData);
+    Emitter.prototype.emit.call(this, 'subscribe', channelName, subscriptionOptions);
+  }
+};
+
+SCClientSocket.prototype._triggerChannelSubscribeFail = function (err, channel, subscriptionOptions) {
+  var channelName = channel.name;
+  var meetsAuthRequirements = !channel.waitForAuth || this.authState == this.AUTHENTICATED;
+
+  if (channel.state != channel.UNSUBSCRIBED && meetsAuthRequirements) {
+    channel.state = channel.UNSUBSCRIBED;
+
+    channel.emit('subscribeFail', err, channelName, subscriptionOptions);
+    Emitter.prototype.emit.call(this, 'subscribeFail', err, channelName, subscriptionOptions);
+  }
+};
+
+// Cancel any pending subscribe callback
+SCClientSocket.prototype._cancelPendingSubscribeCallback = function (channel) {
+  if (channel._pendingSubscriptionCid != null) {
+    this.transport.cancelPendingResponse(channel._pendingSubscriptionCid);
+    delete channel._pendingSubscriptionCid;
+  }
+};
+
+SCClientSocket.prototype._decorateChannelName = function (channelName) {
+  if (this.channelPrefix) {
+    channelName = this.channelPrefix + channelName;
+  }
+  return channelName;
+};
+
+SCClientSocket.prototype._undecorateChannelName = function (decoratedChannelName) {
+  if (this.channelPrefix && decoratedChannelName.indexOf(this.channelPrefix) == 0) {
+    return decoratedChannelName.replace(this.channelPrefix, '');
+  }
+  return decoratedChannelName;
+};
+
+SCClientSocket.prototype._trySubscribe = function (channel) {
+  var self = this;
+
+  var meetsAuthRequirements = !channel.waitForAuth || this.authState == this.AUTHENTICATED;
+
+  // We can only ever have one pending subscribe action at any given time on a channel
+  if (this.state == this.OPEN && !this.preparingPendingSubscriptions &&
+    channel._pendingSubscriptionCid == null && meetsAuthRequirements) {
+
+    var options = {
+      noTimeout: true
+    };
+
+    var subscriptionOptions = {
+      channel: this._decorateChannelName(channel.name)
+    };
+    if (channel.waitForAuth) {
+      options.waitForAuth = true;
+      subscriptionOptions.waitForAuth = options.waitForAuth;
+    }
+    if (channel.data) {
+      subscriptionOptions.data = channel.data;
+    }
+    if (channel.batch) {
+      options.batch = true;
+      subscriptionOptions.batch = true;
+    }
+
+    channel._pendingSubscriptionCid = this.transport.emit(
+      '#subscribe', subscriptionOptions, options,
+      function (err) {
+        delete channel._pendingSubscriptionCid;
+        if (err) {
+          self._triggerChannelSubscribeFail(err, channel, subscriptionOptions);
+        } else {
+          self._triggerChannelSubscribe(channel, subscriptionOptions);
+        }
+      }
+    );
+    Emitter.prototype.emit.call(this, 'subscribeRequest', channel.name, subscriptionOptions);
+  }
+};
+
+SCClientSocket.prototype.subscribe = function (channelName, options) {
+  var channel = this.channels[channelName];
+
+  if (!channel) {
+    channel = new SCChannel(channelName, this, options);
+    this.channels[channelName] = channel;
+  } else if (options) {
+    channel.setOptions(options);
+  }
+
+  if (channel.state == channel.UNSUBSCRIBED) {
+    channel.state = channel.PENDING;
+    this._trySubscribe(channel);
+  }
+
+  return channel;
+};
+
+SCClientSocket.prototype._triggerChannelUnsubscribe = function (channel, newState) {
+  var channelName = channel.name;
+  var oldState = channel.state;
+
+  if (newState) {
+    channel.state = newState;
+  } else {
+    channel.state = channel.UNSUBSCRIBED;
+  }
+  this._cancelPendingSubscribeCallback(channel);
+
+  if (oldState == channel.SUBSCRIBED) {
+    var stateChangeData = {
+      channel: channelName,
+      oldState: oldState,
+      newState: channel.state
+    };
+    channel.emit('subscribeStateChange', stateChangeData);
+    channel.emit('unsubscribe', channelName);
+    Emitter.prototype.emit.call(this, 'subscribeStateChange', stateChangeData);
+    Emitter.prototype.emit.call(this, 'unsubscribe', channelName);
+  }
+};
+
+SCClientSocket.prototype._tryUnsubscribe = function (channel) {
+  var self = this;
+
+  if (this.state == this.OPEN) {
+    var options = {
+      noTimeout: true
+    };
+    if (channel.batch) {
+      options.batch = true;
+    }
+    // If there is a pending subscribe action, cancel the callback
+    this._cancelPendingSubscribeCallback(channel);
+
+    // This operation cannot fail because the TCP protocol guarantees delivery
+    // so long as the connection remains open. If the connection closes,
+    // the server will automatically unsubscribe the client and thus complete
+    // the operation on the server side.
+    var decoratedChannelName = this._decorateChannelName(channel.name);
+    this.transport.emit('#unsubscribe', decoratedChannelName, options);
+  }
+};
+
+SCClientSocket.prototype.unsubscribe = function (channelName) {
+  var channel = this.channels[channelName];
+
+  if (channel) {
+    if (channel.state != channel.UNSUBSCRIBED) {
+
+      this._triggerChannelUnsubscribe(channel);
+      this._tryUnsubscribe(channel);
+    }
+  }
+};
+
+SCClientSocket.prototype.channel = function (channelName, options) {
+  var currentChannel = this.channels[channelName];
+
+  if (!currentChannel) {
+    currentChannel = new SCChannel(channelName, this, options);
+    this.channels[channelName] = currentChannel;
+  }
+  return currentChannel;
+};
+
+SCClientSocket.prototype.destroyChannel = function (channelName) {
+  var channel = this.channels[channelName];
+
+  if (channel) {
+    channel.unwatch();
+    channel.unsubscribe();
+    delete this.channels[channelName];
+  }
+};
+
+SCClientSocket.prototype.subscriptions = function (includePending) {
+  var subs = [];
+  var channel, includeChannel;
+  for (var channelName in this.channels) {
+    if (this.channels.hasOwnProperty(channelName)) {
+      channel = this.channels[channelName];
+
+      if (includePending) {
+        includeChannel = channel && (channel.state == channel.SUBSCRIBED ||
+          channel.state == channel.PENDING);
+      } else {
+        includeChannel = channel && channel.state == channel.SUBSCRIBED;
+      }
+
+      if (includeChannel) {
+        subs.push(channelName);
+      }
+    }
+  }
+  return subs;
+};
+
+SCClientSocket.prototype.isSubscribed = function (channelName, includePending) {
+  var channel = this.channels[channelName];
+  if (includePending) {
+    return !!channel && (channel.state == channel.SUBSCRIBED ||
+      channel.state == channel.PENDING);
+  }
+  return !!channel && channel.state == channel.SUBSCRIBED;
+};
+
+SCClientSocket.prototype.processPendingSubscriptions = function () {
+  var self = this;
+
+  this.preparingPendingSubscriptions = false;
+
+  var pendingChannels = [];
+
+  for (var i in this.channels) {
+    if (this.channels.hasOwnProperty(i)) {
+      var channel = this.channels[i];
+      if (channel.state == channel.PENDING) {
+        pendingChannels.push(channel);
+      }
+    }
+  }
+
+  pendingChannels.sort(function (a, b) {
+    var ap = a.priority || 0;
+    var bp = b.priority || 0;
+    if (ap > bp) {
+      return -1;
+    }
+    if (ap < bp) {
+      return 1;
+    }
+    return 0;
+  });
+
+  pendingChannels.forEach(function (channel) {
+    self._trySubscribe(channel);
+  });
+};
+
+SCClientSocket.prototype.watch = function (channelName, handler) {
+  if (typeof handler != 'function') {
+    throw new InvalidArgumentsError('No handler function was provided');
+  }
+  this._channelEmitter.on(channelName, handler);
+};
+
+SCClientSocket.prototype.unwatch = function (channelName, handler) {
+  if (handler) {
+    this._channelEmitter.removeListener(channelName, handler);
+  } else {
+    this._channelEmitter.removeAllListeners(channelName);
+  }
+};
+
+SCClientSocket.prototype.watchers = function (channelName) {
+  return this._channelEmitter.listeners(channelName);
+};
+
+module.exports = SCClientSocket;
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {},_dereq_("buffer").Buffer)
+},{"./auth":2,"./response":4,"./sctransport":6,"base-64":8,"buffer":10,"clone":11,"component-emitter":12,"linked-list":15,"querystring":18,"sc-channel":19,"sc-errors":21,"sc-formatter":22}],6:[function(_dereq_,module,exports){
+(function (global){
+var Emitter = _dereq_('component-emitter');
+var Response = _dereq_('./response').Response;
+var querystring = _dereq_('querystring');
+var WebSocket;
+var createWebSocket;
+
+if (global.WebSocket) {
+  WebSocket = global.WebSocket;
+  createWebSocket = function (uri, options) {
+    return new WebSocket(uri);
+  };
+} else {
+  WebSocket = _dereq_('ws');
+  createWebSocket = function (uri, options) {
+    return new WebSocket(uri, null, options);
+  };
+}
+
+var scErrors = _dereq_('sc-errors');
+var TimeoutError = scErrors.TimeoutError;
+var BadConnectionError = scErrors.BadConnectionError;
+
+
+var SCTransport = function (authEngine, codecEngine, options) {
+  var self = this;
+
+  this.state = this.CLOSED;
+  this.auth = authEngine;
+  this.codec = codecEngine;
+  this.options = options;
+  this.connectTimeout = options.connectTimeout;
+  this.pingTimeout = options.ackTimeout;
+  this.pingTimeoutDisabled = !!options.pingTimeoutDisabled;
+  this.callIdGenerator = options.callIdGenerator;
+  this.authTokenName = options.authTokenName;
+
+  this._pingTimeoutTicker = null;
+  this._callbackMap = {};
+  this._batchSendList = [];
+
+  // Open the connection.
+
+  this.state = this.CONNECTING;
+  var uri = this.uri();
+
+  var wsSocket = createWebSocket(uri, this.options);
+  wsSocket.binaryType = this.options.binaryType;
+
+  this.socket = wsSocket;
+
+  wsSocket.onopen = function () {
+    self._onOpen();
+  };
+
+  wsSocket.onclose = function (event) {
+    var code;
+    if (event.code == null) {
+      // This is to handle an edge case in React Native whereby
+      // event.code is undefined when the mobile device is locked.
+      // TODO: This is not perfect since this condition could also apply to
+      // an abnormal close (no close control frame) which would be a 1006.
+      code = 1005;
+    } else {
+      code = event.code;
+    }
+    self._onClose(code, event.reason);
+  };
+
+  wsSocket.onmessage = function (message, flags) {
+    self._onMessage(message.data);
+  };
+
+  wsSocket.onerror = function (error) {
+    // The onclose event will be called automatically after the onerror event
+    // if the socket is connected - Otherwise, if it's in the middle of
+    // connecting, we want to close it manually with a 1006 - This is necessary
+    // to prevent inconsistent behavior when running the client in Node.js
+    // vs in a browser.
+
+    if (self.state === self.CONNECTING) {
+      self._onClose(1006);
+    }
+  };
+
+  this._connectTimeoutRef = setTimeout(function () {
+    self._onClose(4007);
+    self.socket.close(4007);
+  }, this.connectTimeout);
+};
+
+SCTransport.prototype = Object.create(Emitter.prototype);
+
+SCTransport.CONNECTING = SCTransport.prototype.CONNECTING = 'connecting';
+SCTransport.OPEN = SCTransport.prototype.OPEN = 'open';
+SCTransport.CLOSED = SCTransport.prototype.CLOSED = 'closed';
+
+SCTransport.prototype.uri = function () {
+  var query = this.options.query || {};
+  var schema = this.options.secure ? 'wss' : 'ws';
+
+  if (this.options.timestampRequests) {
+    query[this.options.timestampParam] = (new Date()).getTime();
+  }
+
+  query = querystring.encode(query);
+
+  if (query.length) {
+    query = '?' + query;
+  }
+
+  var host;
+  if (this.options.host) {
+    host = this.options.host;
+  } else {
+    var port = '';
+
+    if (this.options.port && ((schema == 'wss' && this.options.port != 443)
+      || (schema == 'ws' && this.options.port != 80))) {
+      port = ':' + this.options.port;
+    }
+    host = this.options.hostname + port;
+  }
+
+  return schema + '://' + host + this.options.path + query;
+};
+
+SCTransport.prototype._onOpen = function () {
+  var self = this;
+
+  clearTimeout(this._connectTimeoutRef);
+  this._resetPingTimeout();
+
+  this._handshake(function (err, status) {
+    if (err) {
+      var statusCode;
+      if (status && status.code) {
+        statusCode = status.code;
+      } else {
+        statusCode = 4003;
+      }
+      self._onError(err);
+      self._onClose(statusCode, err.toString());
+      self.socket.close(statusCode);
+    } else {
+      self.state = self.OPEN;
+      Emitter.prototype.emit.call(self, 'open', status);
+      self._resetPingTimeout();
+    }
+  });
+};
+
+SCTransport.prototype._handshake = function (callback) {
+  var self = this;
+  this.auth.loadToken(this.authTokenName, function (err, token) {
+    if (err) {
+      callback(err);
+    } else {
+      // Don't wait for this.state to be 'open'.
+      // The underlying WebSocket (this.socket) is already open.
+      var options = {
+        force: true
+      };
+      self.emit('#handshake', {
+        authToken: token
+      }, options, function (err, status) {
+        if (status) {
+          // Add the token which was used as part of authentication attempt
+          // to the status object.
+          status.authToken = token;
+          if (status.authError) {
+            status.authError = scErrors.hydrateError(status.authError);
+          }
+        }
+        callback(err, status);
+      });
+    }
+  });
+};
+
+SCTransport.prototype._abortAllPendingEventsDueToBadConnection = function (failureType) {
+  for (var i in this._callbackMap) {
+    if (this._callbackMap.hasOwnProperty(i)) {
+      var eventObject = this._callbackMap[i];
+      delete this._callbackMap[i];
+
+      clearTimeout(eventObject.timeout);
+      delete eventObject.timeout;
+
+      var errorMessage = "Event '" + eventObject.event +
+        "' was aborted due to a bad connection";
+      var badConnectionError = new BadConnectionError(errorMessage, failureType);
+
+      var callback = eventObject.callback;
+      delete eventObject.callback;
+      callback.call(eventObject, badConnectionError, eventObject);
+    }
+  }
+};
+
+SCTransport.prototype._onClose = function (code, data) {
+  delete this.socket.onopen;
+  delete this.socket.onclose;
+  delete this.socket.onmessage;
+  delete this.socket.onerror;
+
+  clearTimeout(this._connectTimeoutRef);
+  clearTimeout(this._pingTimeoutTicker);
+  clearTimeout(this._batchTimeout);
+
+  if (this.state == this.OPEN) {
+    this.state = this.CLOSED;
+    Emitter.prototype.emit.call(this, 'close', code, data);
+    this._abortAllPendingEventsDueToBadConnection('disconnect');
+
+  } else if (this.state == this.CONNECTING) {
+    this.state = this.CLOSED;
+    Emitter.prototype.emit.call(this, 'openAbort', code, data);
+    this._abortAllPendingEventsDueToBadConnection('connectAbort');
+  }
+};
+
+SCTransport.prototype._handleEventObject = function (obj, message) {
+  if (obj && obj.event != null) {
+    var response = new Response(this, obj.cid);
+    Emitter.prototype.emit.call(this, 'event', obj.event, obj.data, response);
+  } else if (obj && obj.rid != null) {
+    var eventObject = this._callbackMap[obj.rid];
+    if (eventObject) {
+      clearTimeout(eventObject.timeout);
+      delete eventObject.timeout;
+      delete this._callbackMap[obj.rid];
+
+      if (eventObject.callback) {
+        var rehydratedError = scErrors.hydrateError(obj.error);
+        eventObject.callback(rehydratedError, obj.data);
+      }
+    }
+  } else {
+    Emitter.prototype.emit.call(this, 'event', 'raw', message);
+  }
+};
+
+SCTransport.prototype._onMessage = function (message) {
+  Emitter.prototype.emit.call(this, 'event', 'message', message);
+
+  var obj = this.decode(message);
+
+  // If ping
+  if (obj == '#1') {
+    this._resetPingTimeout();
+    if (this.socket.readyState == this.socket.OPEN) {
+      this.sendObject('#2');
+    }
+  } else {
+    if (Array.isArray(obj)) {
+      var len = obj.length;
+      for (var i = 0; i < len; i++) {
+        this._handleEventObject(obj[i], message);
+      }
+    } else {
+      this._handleEventObject(obj, message);
+    }
+  }
+};
+
+SCTransport.prototype._onError = function (err) {
+  Emitter.prototype.emit.call(this, 'error', err);
+};
+
+SCTransport.prototype._resetPingTimeout = function () {
+  if (this.pingTimeoutDisabled) {
+    return;
+  }
+  var self = this;
+
+  var now = (new Date()).getTime();
+  clearTimeout(this._pingTimeoutTicker);
+
+  this._pingTimeoutTicker = setTimeout(function () {
+    self._onClose(4000);
+    self.socket.close(4000);
+  }, this.pingTimeout);
+};
+
+SCTransport.prototype.getBytesReceived = function () {
+  return this.socket.bytesReceived;
+};
+
+SCTransport.prototype.close = function (code, data) {
+  code = code || 1000;
+
+  if (this.state == this.OPEN) {
+    var packet = {
+      code: code,
+      data: data
+    };
+    this.emit('#disconnect', packet);
+
+    this._onClose(code, data);
+    this.socket.close(code);
+
+  } else if (this.state == this.CONNECTING) {
+    this._onClose(code, data);
+    this.socket.close(code);
+  }
+};
+
+SCTransport.prototype.emitObject = function (eventObject, options) {
+  var simpleEventObject = {
+    event: eventObject.event,
+    data: eventObject.data
+  };
+
+  if (eventObject.callback) {
+    simpleEventObject.cid = eventObject.cid = this.callIdGenerator();
+    this._callbackMap[eventObject.cid] = eventObject;
+  }
+
+  this.sendObject(simpleEventObject, options);
+
+  return eventObject.cid || null;
+};
+
+SCTransport.prototype._handleEventAckTimeout = function (eventObject) {
+  if (eventObject.cid) {
+    delete this._callbackMap[eventObject.cid];
+  }
+  delete eventObject.timeout;
+
+  var callback = eventObject.callback;
+  if (callback) {
+    delete eventObject.callback;
+    var error = new TimeoutError("Event response for '" + eventObject.event + "' timed out");
+    callback.call(eventObject, error, eventObject);
+  }
+};
+
+// The last two optional arguments (a and b) can be options and/or callback
+SCTransport.prototype.emit = function (event, data, a, b) {
+  var self = this;
+
+  var callback, options;
+
+  if (b) {
+    options = a;
+    callback = b;
+  } else {
+    if (a instanceof Function) {
+      options = {};
+      callback = a;
+    } else {
+      options = a;
+    }
+  }
+
+  var eventObject = {
+    event: event,
+    data: data,
+    callback: callback
+  };
+
+  if (callback && !options.noTimeout) {
+    eventObject.timeout = setTimeout(function () {
+      self._handleEventAckTimeout(eventObject);
+    }, this.options.ackTimeout);
+  }
+
+  var cid = null;
+  if (this.state == this.OPEN || options.force) {
+    cid = this.emitObject(eventObject, options);
+  }
+  return cid;
+};
+
+SCTransport.prototype.cancelPendingResponse = function (cid) {
+  delete this._callbackMap[cid];
+};
+
+SCTransport.prototype.decode = function (message) {
+  return this.codec.decode(message);
+};
+
+SCTransport.prototype.encode = function (object) {
+  return this.codec.encode(object);
+};
+
+SCTransport.prototype.send = function (data) {
+  if (this.socket.readyState != this.socket.OPEN) {
+    this._onClose(1005);
+  } else {
+    this.socket.send(data);
+  }
+};
+
+SCTransport.prototype.serializeObject = function (object) {
+  var str, formatError;
+  try {
+    str = this.encode(object);
+  } catch (err) {
+    formatError = err;
+    this._onError(formatError);
+  }
+  if (!formatError) {
+    return str;
+  }
+  return null;
+};
+
+SCTransport.prototype.sendObjectBatch = function (object) {
+  var self = this;
+
+  this._batchSendList.push(object);
+  if (this._batchTimeout) {
+    return;
+  }
+
+  this._batchTimeout = setTimeout(function () {
+    delete self._batchTimeout;
+    if (self._batchSendList.length) {
+      var str = self.serializeObject(self._batchSendList);
+      if (str != null) {
+        self.send(str);
+      }
+      self._batchSendList = [];
+    }
+  }, this.options.pubSubBatchDuration || 0);
+};
+
+SCTransport.prototype.sendObjectSingle = function (object) {
+  var str = this.serializeObject(object);
+  if (str != null) {
+    this.send(str);
+  }
+};
+
+SCTransport.prototype.sendObject = function (object, options) {
+  if (options && options.batch) {
+    this.sendObjectBatch(object);
+  } else {
+    this.sendObjectSingle(object);
+  }
+};
+
+module.exports.SCTransport = SCTransport;
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./response":4,"component-emitter":12,"querystring":18,"sc-errors":21,"ws":7}],7:[function(_dereq_,module,exports){
+var global;
+if (typeof WorkerGlobalScope !== 'undefined') {
+  global = self;
+} else {
+  global = typeof window != 'undefined' && window || (function() { return this; })();
+}
+
+var WebSocket = global.WebSocket || global.MozWebSocket;
+
+/**
+ * WebSocket constructor.
+ *
+ * The third `opts` options object gets ignored in web browsers, since it's
+ * non-standard, and throws a TypeError if passed to the constructor.
+ * See: https://github.com/einaros/ws/issues/227
+ *
+ * @param {String} uri
+ * @param {Array} protocols (optional)
+ * @param {Object} opts (optional)
+ * @api public
+ */
+
+function ws(uri, protocols, opts) {
+  var instance;
+  if (protocols) {
+    instance = new WebSocket(uri, protocols);
+  } else {
+    instance = new WebSocket(uri);
+  }
+  return instance;
+}
+
+if (WebSocket) ws.prototype = WebSocket.prototype;
+
+module.exports = WebSocket ? ws : null;
+
+},{}],8:[function(_dereq_,module,exports){
+(function (global){
+/*! http://mths.be/base64 v0.1.0 by @mathias | MIT license */
+;(function(root) {
+
+	// Detect free variables `exports`.
+	var freeExports = typeof exports == 'object' && exports;
+
+	// Detect free variable `module`.
+	var freeModule = typeof module == 'object' && module &&
+		module.exports == freeExports && module;
+
+	// Detect free variable `global`, from Node.js or Browserified code, and use
+	// it as `root`.
+	var freeGlobal = typeof global == 'object' && global;
+	if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
+		root = freeGlobal;
+	}
+
+	/*--------------------------------------------------------------------------*/
+
+	var InvalidCharacterError = function(message) {
+		this.message = message;
+	};
+	InvalidCharacterError.prototype = new Error;
+	InvalidCharacterError.prototype.name = 'InvalidCharacterError';
+
+	var error = function(message) {
+		// Note: the error messages used throughout this file match those used by
+		// the native `atob`/`btoa` implementation in Chromium.
+		throw new InvalidCharacterError(message);
+	};
+
+	var TABLE = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
+	// http://whatwg.org/html/common-microsyntaxes.html#space-character
+	var REGEX_SPACE_CHARACTERS = /[\t\n\f\r ]/g;
+
+	// `decode` is designed to be fully compatible with `atob` as described in the
+	// HTML Standard. http://whatwg.org/html/webappapis.html#dom-windowbase64-atob
+	// The optimized base64-decoding algorithm used is based on @atk’s excellent
+	// implementation. https://gist.github.com/atk/1020396
+	var decode = function(input) {
+		input = String(input)
+			.replace(REGEX_SPACE_CHARACTERS, '');
+		var length = input.length;
+		if (length % 4 == 0) {
+			input = input.replace(/==?$/, '');
+			length = input.length;
+		}
+		if (
+			length % 4 == 1 ||
+			// http://whatwg.org/C#alphanumeric-ascii-characters
+			/[^+a-zA-Z0-9/]/.test(input)
+		) {
+			error(
+				'Invalid character: the string to be decoded is not correctly encoded.'
+			);
+		}
+		var bitCounter = 0;
+		var bitStorage;
+		var buffer;
+		var output = '';
+		var position = -1;
+		while (++position < length) {
+			buffer = TABLE.indexOf(input.charAt(position));
+			bitStorage = bitCounter % 4 ? bitStorage * 64 + buffer : buffer;
+			// Unless this is the first of a group of 4 characters…
+			if (bitCounter++ % 4) {
+				// …convert the first 8 bits to a single ASCII character.
+				output += String.fromCharCode(
+					0xFF & bitStorage >> (-2 * bitCounter & 6)
+				);
+			}
+		}
+		return output;
+	};
+
+	// `encode` is designed to be fully compatible with `btoa` as described in the
+	// HTML Standard: http://whatwg.org/html/webappapis.html#dom-windowbase64-btoa
+	var encode = function(input) {
+		input = String(input);
+		if (/[^\0-\xFF]/.test(input)) {
+			// Note: no need to special-case astral symbols here, as surrogates are
+			// matched, and the input is supposed to only contain ASCII anyway.
+			error(
+				'The string to be encoded contains characters outside of the ' +
+				'Latin1 range.'
+			);
+		}
+		var padding = input.length % 3;
+		var output = '';
+		var position = -1;
+		var a;
+		var b;
+		var c;
+		var d;
+		var buffer;
+		// Make sure any padding is handled outside of the loop.
+		var length = input.length - padding;
+
+		while (++position < length) {
+			// Read three bytes, i.e. 24 bits.
+			a = input.charCodeAt(position) << 16;
+			b = input.charCodeAt(++position) << 8;
+			c = input.charCodeAt(++position);
+			buffer = a + b + c;
+			// Turn the 24 bits into four chunks of 6 bits each, and append the
+			// matching character for each of them to the output.
+			output += (
+				TABLE.charAt(buffer >> 18 & 0x3F) +
+				TABLE.charAt(buffer >> 12 & 0x3F) +
+				TABLE.charAt(buffer >> 6 & 0x3F) +
+				TABLE.charAt(buffer & 0x3F)
+			);
+		}
+
+		if (padding == 2) {
+			a = input.charCodeAt(position) << 8;
+			b = input.charCodeAt(++position);
+			buffer = a + b;
+			output += (
+				TABLE.charAt(buffer >> 10) +
+				TABLE.charAt((buffer >> 4) & 0x3F) +
+				TABLE.charAt((buffer << 2) & 0x3F) +
+				'='
+			);
+		} else if (padding == 1) {
+			buffer = input.charCodeAt(position);
+			output += (
+				TABLE.charAt(buffer >> 2) +
+				TABLE.charAt((buffer << 4) & 0x3F) +
+				'=='
+			);
+		}
+
+		return output;
+	};
+
+	var base64 = {
+		'encode': encode,
+		'decode': decode,
+		'version': '0.1.0'
+	};
+
+	// Some AMD build optimizers, like r.js, check for specific condition patterns
+	// like the following:
+	if (
+		typeof define == 'function' &&
+		typeof define.amd == 'object' &&
+		define.amd
+	) {
+		define(function() {
+			return base64;
+		});
+	}	else if (freeExports && !freeExports.nodeType) {
+		if (freeModule) { // in Node.js or RingoJS v0.8.0+
+			freeModule.exports = base64;
+		} else { // in Narwhal or RingoJS v0.7.0-
+			for (var key in base64) {
+				base64.hasOwnProperty(key) && (freeExports[key] = base64[key]);
+			}
+		}
+	} else { // in Rhino or a web browser
+		root.base64 = base64;
+	}
+
+}(this));
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],9:[function(_dereq_,module,exports){
+'use strict'
+
+exports.byteLength = byteLength
+exports.toByteArray = toByteArray
+exports.fromByteArray = fromByteArray
+
+var lookup = []
+var revLookup = []
+var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array
+
+var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
+for (var i = 0, len = code.length; i < len; ++i) {
+  lookup[i] = code[i]
+  revLookup[code.charCodeAt(i)] = i
+}
+
+// Support decoding URL-safe base64 strings, as Node.js does.
+// See: https://en.wikipedia.org/wiki/Base64#URL_applications
+revLookup['-'.charCodeAt(0)] = 62
+revLookup['_'.charCodeAt(0)] = 63
+
+function placeHoldersCount (b64) {
+  var len = b64.length
+  if (len % 4 > 0) {
+    throw new Error('Invalid string. Length must be a multiple of 4')
+  }
+
+  // the number of equal signs (place holders)
+  // if there are two placeholders, than the two characters before it
+  // represent one byte
+  // if there is only one, then the three characters before it represent 2 bytes
+  // this is just a cheap hack to not do indexOf twice
+  return b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0
+}
+
+function byteLength (b64) {
+  // base64 is 4/3 + up to two characters of the original data
+  return (b64.length * 3 / 4) - placeHoldersCount(b64)
+}
+
+function toByteArray (b64) {
+  var i, l, tmp, placeHolders, arr
+  var len = b64.length
+  placeHolders = placeHoldersCount(b64)
+
+  arr = new Arr((len * 3 / 4) - placeHolders)
+
+  // if there are placeholders, only get up to the last complete 4 chars
+  l = placeHolders > 0 ? len - 4 : len
+
+  var L = 0
+
+  for (i = 0; i < l; i += 4) {
+    tmp = (revLookup[b64.charCodeAt(i)] << 18) | (revLookup[b64.charCodeAt(i + 1)] << 12) | (revLookup[b64.charCodeAt(i + 2)] << 6) | revLookup[b64.charCodeAt(i + 3)]
+    arr[L++] = (tmp >> 16) & 0xFF
+    arr[L++] = (tmp >> 8) & 0xFF
+    arr[L++] = tmp & 0xFF
+  }
+
+  if (placeHolders === 2) {
+    tmp = (revLookup[b64.charCodeAt(i)] << 2) | (revLookup[b64.charCodeAt(i + 1)] >> 4)
+    arr[L++] = tmp & 0xFF
+  } else if (placeHolders === 1) {
+    tmp = (revLookup[b64.charCodeAt(i)] << 10) | (revLookup[b64.charCodeAt(i + 1)] << 4) | (revLookup[b64.charCodeAt(i + 2)] >> 2)
+    arr[L++] = (tmp >> 8) & 0xFF
+    arr[L++] = tmp & 0xFF
+  }
+
+  return arr
+}
+
+function tripletToBase64 (num) {
+  return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F]
+}
+
+function encodeChunk (uint8, start, end) {
+  var tmp
+  var output = []
+  for (var i = start; i < end; i += 3) {
+    tmp = ((uint8[i] << 16) & 0xFF0000) + ((uint8[i + 1] << 8) & 0xFF00) + (uint8[i + 2] & 0xFF)
+    output.push(tripletToBase64(tmp))
+  }
+  return output.join('')
+}
+
+function fromByteArray (uint8) {
+  var tmp
+  var len = uint8.length
+  var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes
+  var output = ''
+  var parts = []
+  var maxChunkLength = 16383 // must be multiple of 3
+
+  // go through the array every three bytes, we'll deal with trailing stuff later
+  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
+    parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)))
+  }
+
+  // pad the end with zeros, but make sure to not forget the extra bytes
+  if (extraBytes === 1) {
+    tmp = uint8[len - 1]
+    output += lookup[tmp >> 2]
+    output += lookup[(tmp << 4) & 0x3F]
+    output += '=='
+  } else if (extraBytes === 2) {
+    tmp = (uint8[len - 2] << 8) + (uint8[len - 1])
+    output += lookup[tmp >> 10]
+    output += lookup[(tmp >> 4) & 0x3F]
+    output += lookup[(tmp << 2) & 0x3F]
+    output += '='
+  }
+
+  parts.push(output)
+
+  return parts.join('')
+}
+
+},{}],10:[function(_dereq_,module,exports){
+/*!
+ * The buffer module from node.js, for the browser.
+ *
+ * @author   Feross Aboukhadijeh <https://feross.org>
+ * @license  MIT
+ */
+/* eslint-disable no-proto */
+
+'use strict'
+
+var base64 = _dereq_('base64-js')
+var ieee754 = _dereq_('ieee754')
+
+exports.Buffer = Buffer
+exports.SlowBuffer = SlowBuffer
+exports.INSPECT_MAX_BYTES = 50
+
+var K_MAX_LENGTH = 0x7fffffff
+exports.kMaxLength = K_MAX_LENGTH
+
+/**
+ * If `Buffer.TYPED_ARRAY_SUPPORT`:
+ *   === true    Use Uint8Array implementation (fastest)
+ *   === false   Print warning and recommend using `buffer` v4.x which has an Object
+ *               implementation (most compatible, even IE6)
+ *
+ * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
+ * Opera 11.6+, iOS 4.2+.
+ *
+ * We report that the browser does not support typed arrays if the are not subclassable
+ * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array`
+ * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support
+ * for __proto__ and has a buggy typed array implementation.
+ */
+Buffer.TYPED_ARRAY_SUPPORT = typedArraySupport()
+
+if (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' &&
+    typeof console.error === 'function') {
+  console.error(
+    'This browser lacks typed array (Uint8Array) support which is required by ' +
+    '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.'
+  )
+}
+
+function typedArraySupport () {
+  // Can typed array instances can be augmented?
+  try {
+    var arr = new Uint8Array(1)
+    arr.__proto__ = {__proto__: Uint8Array.prototype, foo: function () { return 42 }}
+    return arr.foo() === 42
+  } catch (e) {
+    return false
+  }
+}
+
+Object.defineProperty(Buffer.prototype, 'parent', {
+  get: function () {
+    if (!(this instanceof Buffer)) {
+      return undefined
+    }
+    return this.buffer
+  }
+})
+
+Object.defineProperty(Buffer.prototype, 'offset', {
+  get: function () {
+    if (!(this instanceof Buffer)) {
+      return undefined
+    }
+    return this.byteOffset
+  }
+})
+
+function createBuffer (length) {
+  if (length > K_MAX_LENGTH) {
+    throw new RangeError('Invalid typed array length')
+  }
+  // Return an augmented `Uint8Array` instance
+  var buf = new Uint8Array(length)
+  buf.__proto__ = Buffer.prototype
+  return buf
+}
+
+/**
+ * The Buffer constructor returns instances of `Uint8Array` that have their
+ * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
+ * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
+ * and the `Uint8Array` methods. Square bracket notation works as expected -- it
+ * returns a single octet.
+ *
+ * The `Uint8Array` prototype remains unmodified.
+ */
+
+function Buffer (arg, encodingOrOffset, length) {
+  // Common case.
+  if (typeof arg === 'number') {
+    if (typeof encodingOrOffset === 'string') {
+      throw new Error(
+        'If encoding is specified then the first argument must be a string'
+      )
+    }
+    return allocUnsafe(arg)
+  }
+  return from(arg, encodingOrOffset, length)
+}
+
+// Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97
+if (typeof Symbol !== 'undefined' && Symbol.species &&
+    Buffer[Symbol.species] === Buffer) {
+  Object.defineProperty(Buffer, Symbol.species, {
+    value: null,
+    configurable: true,
+    enumerable: false,
+    writable: false
+  })
+}
+
+Buffer.poolSize = 8192 // not used by this implementation
+
+function from (value, encodingOrOffset, length) {
+  if (typeof value === 'number') {
+    throw new TypeError('"value" argument must not be a number')
+  }
+
+  if (isArrayBuffer(value) || (value && isArrayBuffer(value.buffer))) {
+    return fromArrayBuffer(value, encodingOrOffset, length)
+  }
+
+  if (typeof value === 'string') {
+    return fromString(value, encodingOrOffset)
+  }
+
+  return fromObject(value)
+}
+
+/**
+ * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
+ * if value is a number.
+ * Buffer.from(str[, encoding])
+ * Buffer.from(array)
+ * Buffer.from(buffer)
+ * Buffer.from(arrayBuffer[, byteOffset[, length]])
+ **/
+Buffer.from = function (value, encodingOrOffset, length) {
+  return from(value, encodingOrOffset, length)
+}
+
+// Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug:
+// https://github.com/feross/buffer/pull/148
+Buffer.prototype.__proto__ = Uint8Array.prototype
+Buffer.__proto__ = Uint8Array
+
+function assertSize (size) {
+  if (typeof size !== 'number') {
+    throw new TypeError('"size" argument must be of type number')
+  } else if (size < 0) {
+    throw new RangeError('"size" argument must not be negative')
+  }
+}
+
+function alloc (size, fill, encoding) {
+  assertSize(size)
+  if (size <= 0) {
+    return createBuffer(size)
+  }
+  if (fill !== undefined) {
+    // Only pay attention to encoding if it's a string. This
+    // prevents accidentally sending in a number that would
+    // be interpretted as a start offset.
+    return typeof encoding === 'string'
+      ? createBuffer(size).fill(fill, encoding)
+      : createBuffer(size).fill(fill)
+  }
+  return createBuffer(size)
+}
+
+/**
+ * Creates a new filled Buffer instance.
+ * alloc(size[, fill[, encoding]])
+ **/
+Buffer.alloc = function (size, fill, encoding) {
+  return alloc(size, fill, encoding)
+}
+
+function allocUnsafe (size) {
+  assertSize(size)
+  return createBuffer(size < 0 ? 0 : checked(size) | 0)
+}
+
+/**
+ * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
+ * */
+Buffer.allocUnsafe = function (size) {
+  return allocUnsafe(size)
+}
+/**
+ * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
+ */
+Buffer.allocUnsafeSlow = function (size) {
+  return allocUnsafe(size)
+}
+
+function fromString (string, encoding) {
+  if (typeof encoding !== 'string' || encoding === '') {
+    encoding = 'utf8'
+  }
+
+  if (!Buffer.isEncoding(encoding)) {
+    throw new TypeError('Unknown encoding: ' + encoding)
+  }
+
+  var length = byteLength(string, encoding) | 0
+  var buf = createBuffer(length)
+
+  var actual = buf.write(string, encoding)
+
+  if (actual !== length) {
+    // Writing a hex string, for example, that contains invalid characters will
+    // cause everything after the first invalid character to be ignored. (e.g.
+    // 'abxxcd' will be treated as 'ab')
+    buf = buf.slice(0, actual)
+  }
+
+  return buf
+}
+
+function fromArrayLike (array) {
+  var length = array.length < 0 ? 0 : checked(array.length) | 0
+  var buf = createBuffer(length)
+  for (var i = 0; i < length; i += 1) {
+    buf[i] = array[i] & 255
+  }
+  return buf
+}
+
+function fromArrayBuffer (array, byteOffset, length) {
+  if (byteOffset < 0 || array.byteLength < byteOffset) {
+    throw new RangeError('"offset" is outside of buffer bounds')
+  }
+
+  if (array.byteLength < byteOffset + (length || 0)) {
+    throw new RangeError('"length" is outside of buffer bounds')
+  }
+
+  var buf
+  if (byteOffset === undefined && length === undefined) {
+    buf = new Uint8Array(array)
+  } else if (length === undefined) {
+    buf = new Uint8Array(array, byteOffset)
+  } else {
+    buf = new Uint8Array(array, byteOffset, length)
+  }
+
+  // Return an augmented `Uint8Array` instance
+  buf.__proto__ = Buffer.prototype
+  return buf
+}
+
+function fromObject (obj) {
+  if (Buffer.isBuffer(obj)) {
+    var len = checked(obj.length) | 0
+    var buf = createBuffer(len)
+
+    if (buf.length === 0) {
+      return buf
+    }
+
+    obj.copy(buf, 0, 0, len)
+    return buf
+  }
+
+  if (obj) {
+    if (ArrayBuffer.isView(obj) || 'length' in obj) {
+      if (typeof obj.length !== 'number' || numberIsNaN(obj.length)) {
+        return createBuffer(0)
+      }
+      return fromArrayLike(obj)
+    }
+
+    if (obj.type === 'Buffer' && Array.isArray(obj.data)) {
+      return fromArrayLike(obj.data)
+    }
+  }
+
+  throw new TypeError('The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object.')
+}
+
+function checked (length) {
+  // Note: cannot use `length < K_MAX_LENGTH` here because that fails when
+  // length is NaN (which is otherwise coerced to zero.)
+  if (length >= K_MAX_LENGTH) {
+    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
+                         'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes')
+  }
+  return length | 0
+}
+
+function SlowBuffer (length) {
+  if (+length != length) { // eslint-disable-line eqeqeq
+    length = 0
+  }
+  return Buffer.alloc(+length)
+}
+
+Buffer.isBuffer = function isBuffer (b) {
+  return b != null && b._isBuffer === true
+}
+
+Buffer.compare = function compare (a, b) {
+  if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
+    throw new TypeError('Arguments must be Buffers')
+  }
+
+  if (a === b) return 0
+
+  var x = a.length
+  var y = b.length
+
+  for (var i = 0, len = Math.min(x, y); i < len; ++i) {
+    if (a[i] !== b[i]) {
+      x = a[i]
+      y = b[i]
+      break
+    }
+  }
+
+  if (x < y) return -1
+  if (y < x) return 1
+  return 0
+}
+
+Buffer.isEncoding = function isEncoding (encoding) {
+  switch (String(encoding).toLowerCase()) {
+    case 'hex':
+    case 'utf8':
+    case 'utf-8':
+    case 'ascii':
+    case 'latin1':
+    case 'binary':
+    case 'base64':
+    case 'ucs2':
+    case 'ucs-2':
+    case 'utf16le':
+    case 'utf-16le':
+      return true
+    default:
+      return false
+  }
+}
+
+Buffer.concat = function concat (list, length) {
+  if (!Array.isArray(list)) {
+    throw new TypeError('"list" argument must be an Array of Buffers')
+  }
+
+  if (list.length === 0) {
+    return Buffer.alloc(0)
+  }
+
+  var i
+  if (length === undefined) {
+    length = 0
+    for (i = 0; i < list.length; ++i) {
+      length += list[i].length
+    }
+  }
+
+  var buffer = Buffer.allocUnsafe(length)
+  var pos = 0
+  for (i = 0; i < list.length; ++i) {
+    var buf = list[i]
+    if (ArrayBuffer.isView(buf)) {
+      buf = Buffer.from(buf)
+    }
+    if (!Buffer.isBuffer(buf)) {
+      throw new TypeError('"list" argument must be an Array of Buffers')
+    }
+    buf.copy(buffer, pos)
+    pos += buf.length
+  }
+  return buffer
+}
+
+function byteLength (string, encoding) {
+  if (Buffer.isBuffer(string)) {
+    return string.length
+  }
+  if (ArrayBuffer.isView(string) || isArrayBuffer(string)) {
+    return string.byteLength
+  }
+  if (typeof string !== 'string') {
+    string = '' + string
+  }
+
+  var len = string.length
+  if (len === 0) return 0
+
+  // Use a for loop to avoid recursion
+  var loweredCase = false
+  for (;;) {
+    switch (encoding) {
+      case 'ascii':
+      case 'latin1':
+      case 'binary':
+        return len
+      case 'utf8':
+      case 'utf-8':
+      case undefined:
+        return utf8ToBytes(string).length
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return len * 2
+      case 'hex':
+        return len >>> 1
+      case 'base64':
+        return base64ToBytes(string).length
+      default:
+        if (loweredCase) return utf8ToBytes(string).length // assume utf8
+        encoding = ('' + encoding).toLowerCase()
+        loweredCase = true
+    }
+  }
+}
+Buffer.byteLength = byteLength
+
+function slowToString (encoding, start, end) {
+  var loweredCase = false
+
+  // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
+  // property of a typed array.
+
+  // This behaves neither like String nor Uint8Array in that we set start/end
+  // to their upper/lower bounds if the value passed is out of range.
+  // undefined is handled specially as per ECMA-262 6th Edition,
+  // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
+  if (start === undefined || start < 0) {
+    start = 0
+  }
+  // Return early if start > this.length. Done here to prevent potential uint32
+  // coercion fail below.
+  if (start > this.length) {
+    return ''
+  }
+
+  if (end === undefined || end > this.length) {
+    end = this.length
+  }
+
+  if (end <= 0) {
+    return ''
+  }
+
+  // Force coersion to uint32. This will also coerce falsey/NaN values to 0.
+  end >>>= 0
+  start >>>= 0
+
+  if (end <= start) {
+    return ''
+  }
+
+  if (!encoding) encoding = 'utf8'
+
+  while (true) {
+    switch (encoding) {
+      case 'hex':
+        return hexSlice(this, start, end)
+
+      case 'utf8':
+      case 'utf-8':
+        return utf8Slice(this, start, end)
+
+      case 'ascii':
+        return asciiSlice(this, start, end)
+
+      case 'latin1':
+      case 'binary':
+        return latin1Slice(this, start, end)
+
+      case 'base64':
+        return base64Slice(this, start, end)
+
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return utf16leSlice(this, start, end)
+
+      default:
+        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
+        encoding = (encoding + '').toLowerCase()
+        loweredCase = true
+    }
+  }
+}
+
+// This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package)
+// to detect a Buffer instance. It's not possible to use `instanceof Buffer`
+// reliably in a browserify context because there could be multiple different
+// copies of the 'buffer' package in use. This method works even for Buffer
+// instances that were created from another copy of the `buffer` package.
+// See: https://github.com/feross/buffer/issues/154
+Buffer.prototype._isBuffer = true
+
+function swap (b, n, m) {
+  var i = b[n]
+  b[n] = b[m]
+  b[m] = i
+}
+
+Buffer.prototype.swap16 = function swap16 () {
+  var len = this.length
+  if (len % 2 !== 0) {
+    throw new RangeError('Buffer size must be a multiple of 16-bits')
+  }
+  for (var i = 0; i < len; i += 2) {
+    swap(this, i, i + 1)
+  }
+  return this
+}
+
+Buffer.prototype.swap32 = function swap32 () {
+  var len = this.length
+  if (len % 4 !== 0) {
+    throw new RangeError('Buffer size must be a multiple of 32-bits')
+  }
+  for (var i = 0; i < len; i += 4) {
+    swap(this, i, i + 3)
+    swap(this, i + 1, i + 2)
+  }
+  return this
+}
+
+Buffer.prototype.swap64 = function swap64 () {
+  var len = this.length
+  if (len % 8 !== 0) {
+    throw new RangeError('Buffer size must be a multiple of 64-bits')
+  }
+  for (var i = 0; i < len; i += 8) {
+    swap(this, i, i + 7)
+    swap(this, i + 1, i + 6)
+    swap(this, i + 2, i + 5)
+    swap(this, i + 3, i + 4)
+  }
+  return this
+}
+
+Buffer.prototype.toString = function toString () {
+  var length = this.length
+  if (length === 0) return ''
+  if (arguments.length === 0) return utf8Slice(this, 0, length)
+  return slowToString.apply(this, arguments)
+}
+
+Buffer.prototype.toLocaleString = Buffer.prototype.toString
+
+Buffer.prototype.equals = function equals (b) {
+  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
+  if (this === b) return true
+  return Buffer.compare(this, b) === 0
+}
+
+Buffer.prototype.inspect = function inspect () {
+  var str = ''
+  var max = exports.INSPECT_MAX_BYTES
+  if (this.length > 0) {
+    str = this.toString('hex', 0, max).match(/.{2}/g).join(' ')
+    if (this.length > max) str += ' ... '
+  }
+  return '<Buffer ' + str + '>'
+}
+
+Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {
+  if (!Buffer.isBuffer(target)) {
+    throw new TypeError('Argument must be a Buffer')
+  }
+
+  if (start === undefined) {
+    start = 0
+  }
+  if (end === undefined) {
+    end = target ? target.length : 0
+  }
+  if (thisStart === undefined) {
+    thisStart = 0
+  }
+  if (thisEnd === undefined) {
+    thisEnd = this.length
+  }
+
+  if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
+    throw new RangeError('out of range index')
+  }
+
+  if (thisStart >= thisEnd && start >= end) {
+    return 0
+  }
+  if (thisStart >= thisEnd) {
+    return -1
+  }
+  if (start >= end) {
+    return 1
+  }
+
+  start >>>= 0
+  end >>>= 0
+  thisStart >>>= 0
+  thisEnd >>>= 0
+
+  if (this === target) return 0
+
+  var x = thisEnd - thisStart
+  var y = end - start
+  var len = Math.min(x, y)
+
+  var thisCopy = this.slice(thisStart, thisEnd)
+  var targetCopy = target.slice(start, end)
+
+  for (var i = 0; i < len; ++i) {
+    if (thisCopy[i] !== targetCopy[i]) {
+      x = thisCopy[i]
+      y = targetCopy[i]
+      break
+    }
+  }
+
+  if (x < y) return -1
+  if (y < x) return 1
+  return 0
+}
+
+// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
+// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
+//
+// Arguments:
+// - buffer - a Buffer to search
+// - val - a string, Buffer, or number
+// - byteOffset - an index into `buffer`; will be clamped to an int32
+// - encoding - an optional encoding, relevant is val is a string
+// - dir - true for indexOf, false for lastIndexOf
+function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {
+  // Empty buffer means no match
+  if (buffer.length === 0) return -1
+
+  // Normalize byteOffset
+  if (typeof byteOffset === 'string') {
+    encoding = byteOffset
+    byteOffset = 0
+  } else if (byteOffset > 0x7fffffff) {
+    byteOffset = 0x7fffffff
+  } else if (byteOffset < -0x80000000) {
+    byteOffset = -0x80000000
+  }
+  byteOffset = +byteOffset  // Coerce to Number.
+  if (numberIsNaN(byteOffset)) {
+    // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
+    byteOffset = dir ? 0 : (buffer.length - 1)
+  }
+
+  // Normalize byteOffset: negative offsets start from the end of the buffer
+  if (byteOffset < 0) byteOffset = buffer.length + byteOffset
+  if (byteOffset >= buffer.length) {
+    if (dir) return -1
+    else byteOffset = buffer.length - 1
+  } else if (byteOffset < 0) {
+    if (dir) byteOffset = 0
+    else return -1
+  }
+
+  // Normalize val
+  if (typeof val === 'string') {
+    val = Buffer.from(val, encoding)
+  }
+
+  // Finally, search either indexOf (if dir is true) or lastIndexOf
+  if (Buffer.isBuffer(val)) {
+    // Special case: looking for empty string/buffer always fails
+    if (val.length === 0) {
+      return -1
+    }
+    return arrayIndexOf(buffer, val, byteOffset, encoding, dir)
+  } else if (typeof val === 'number') {
+    val = val & 0xFF // Search for a byte value [0-255]
+    if (typeof Uint8Array.prototype.indexOf === 'function') {
+      if (dir) {
+        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)
+      } else {
+        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)
+      }
+    }
+    return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir)
+  }
+
+  throw new TypeError('val must be string, number or Buffer')
+}
+
+function arrayIndexOf (arr, val, byteOffset, encoding, dir) {
+  var indexSize = 1
+  var arrLength = arr.length
+  var valLength = val.length
+
+  if (encoding !== undefined) {
+    encoding = String(encoding).toLowerCase()
+    if (encoding === 'ucs2' || encoding === 'ucs-2' ||
+        encoding === 'utf16le' || encoding === 'utf-16le') {
+      if (arr.length < 2 || val.length < 2) {
+        return -1
+      }
+      indexSize = 2
+      arrLength /= 2
+      valLength /= 2
+      byteOffset /= 2
+    }
+  }
+
+  function read (buf, i) {
+    if (indexSize === 1) {
+      return buf[i]
+    } else {
+      return buf.readUInt16BE(i * indexSize)
+    }
+  }
+
+  var i
+  if (dir) {
+    var foundIndex = -1
+    for (i = byteOffset; i < arrLength; i++) {
+      if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
+        if (foundIndex === -1) foundIndex = i
+        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
+      } else {
+        if (foundIndex !== -1) i -= i - foundIndex
+        foundIndex = -1
+      }
+    }
+  } else {
+    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength
+    for (i = byteOffset; i >= 0; i--) {
+      var found = true
+      for (var j = 0; j < valLength; j++) {
+        if (read(arr, i + j) !== read(val, j)) {
+          found = false
+          break
+        }
+      }
+      if (found) return i
+    }
+  }
+
+  return -1
+}
+
+Buffer.prototype.includes = function includes (val, byteOffset, encoding) {
+  return this.indexOf(val, byteOffset, encoding) !== -1
+}
+
+Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
+  return bidirectionalIndexOf(this, val, byteOffset, encoding, true)
+}
+
+Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {
+  return bidirectionalIndexOf(this, val, byteOffset, encoding, false)
+}
+
+function hexWrite (buf, string, offset, length) {
+  offset = Number(offset) || 0
+  var remaining = buf.length - offset
+  if (!length) {
+    length = remaining
+  } else {
+    length = Number(length)
+    if (length > remaining) {
+      length = remaining
+    }
+  }
+
+  var strLen = string.length
+
+  if (length > strLen / 2) {
+    length = strLen / 2
+  }
+  for (var i = 0; i < length; ++i) {
+    var parsed = parseInt(string.substr(i * 2, 2), 16)
+    if (numberIsNaN(parsed)) return i
+    buf[offset + i] = parsed
+  }
+  return i
+}
+
+function utf8Write (buf, string, offset, length) {
+  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
+}
+
+function asciiWrite (buf, string, offset, length) {
+  return blitBuffer(asciiToBytes(string), buf, offset, length)
+}
+
+function latin1Write (buf, string, offset, length) {
+  return asciiWrite(buf, string, offset, length)
+}
+
+function base64Write (buf, string, offset, length) {
+  return blitBuffer(base64ToBytes(string), buf, offset, length)
+}
+
+function ucs2Write (buf, string, offset, length) {
+  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
+}
+
+Buffer.prototype.write = function write (string, offset, length, encoding) {
+  // Buffer#write(string)
+  if (offset === undefined) {
+    encoding = 'utf8'
+    length = this.length
+    offset = 0
+  // Buffer#write(string, encoding)
+  } else if (length === undefined && typeof offset === 'string') {
+    encoding = offset
+    length = this.length
+    offset = 0
+  // Buffer#write(string, offset[, length][, encoding])
+  } else if (isFinite(offset)) {
+    offset = offset >>> 0
+    if (isFinite(length)) {
+      length = length >>> 0
+      if (encoding === undefined) encoding = 'utf8'
+    } else {
+      encoding = length
+      length = undefined
+    }
+  } else {
+    throw new Error(
+      'Buffer.write(string, encoding, offset[, length]) is no longer supported'
+    )
+  }
+
+  var remaining = this.length - offset
+  if (length === undefined || length > remaining) length = remaining
+
+  if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
+    throw new RangeError('Attempt to write outside buffer bounds')
+  }
+
+  if (!encoding) encoding = 'utf8'
+
+  var loweredCase = false
+  for (;;) {
+    switch (encoding) {
+      case 'hex':
+        return hexWrite(this, string, offset, length)
+
+      case 'utf8':
+      case 'utf-8':
+        return utf8Write(this, string, offset, length)
+
+      case 'ascii':
+        return asciiWrite(this, string, offset, length)
+
+      case 'latin1':
+      case 'binary':
+        return latin1Write(this, string, offset, length)
+
+      case 'base64':
+        // Warning: maxLength not taken into account in base64Write
+        return base64Write(this, string, offset, length)
+
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return ucs2Write(this, string, offset, length)
+
+      default:
+        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
+        encoding = ('' + encoding).toLowerCase()
+        loweredCase = true
+    }
+  }
+}
+
+Buffer.prototype.toJSON = function toJSON () {
+  return {
+    type: 'Buffer',
+    data: Array.prototype.slice.call(this._arr || this, 0)
+  }
+}
+
+function base64Slice (buf, start, end) {
+  if (start === 0 && end === buf.length) {
+    return base64.fromByteArray(buf)
+  } else {
+    return base64.fromByteArray(buf.slice(start, end))
+  }
+}
+
+function utf8Slice (buf, start, end) {
+  end = Math.min(buf.length, end)
+  var res = []
+
+  var i = start
+  while (i < end) {
+    var firstByte = buf[i]
+    var codePoint = null
+    var bytesPerSequence = (firstByte > 0xEF) ? 4
+      : (firstByte > 0xDF) ? 3
+      : (firstByte > 0xBF) ? 2
+      : 1
+
+    if (i + bytesPerSequence <= end) {
+      var secondByte, thirdByte, fourthByte, tempCodePoint
+
+      switch (bytesPerSequence) {
+        case 1:
+          if (firstByte < 0x80) {
+            codePoint = firstByte
+          }
+          break
+        case 2:
+          secondByte = buf[i + 1]
+          if ((secondByte & 0xC0) === 0x80) {
+            tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)
+            if (tempCodePoint > 0x7F) {
+              codePoint = tempCodePoint
+            }
+          }
+          break
+        case 3:
+          secondByte = buf[i + 1]
+          thirdByte = buf[i + 2]
+          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
+            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)
+            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
+              codePoint = tempCodePoint
+            }
+          }
+          break
+        case 4:
+          secondByte = buf[i + 1]
+          thirdByte = buf[i + 2]
+          fourthByte = buf[i + 3]
+          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
+            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)
+            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
+              codePoint = tempCodePoint
+            }
+          }
+      }
+    }
+
+    if (codePoint === null) {
+      // we did not generate a valid codePoint so insert a
+      // replacement char (U+FFFD) and advance only 1 byte
+      codePoint = 0xFFFD
+      bytesPerSequence = 1
+    } else if (codePoint > 0xFFFF) {
+      // encode to utf16 (surrogate pair dance)
+      codePoint -= 0x10000
+      res.push(codePoint >>> 10 & 0x3FF | 0xD800)
+      codePoint = 0xDC00 | codePoint & 0x3FF
+    }
+
+    res.push(codePoint)
+    i += bytesPerSequence
+  }
+
+  return decodeCodePointsArray(res)
+}
+
+// Based on http://stackoverflow.com/a/22747272/680742, the browser with
+// the lowest limit is Chrome, with 0x10000 args.
+// We go 1 magnitude less, for safety
+var MAX_ARGUMENTS_LENGTH = 0x1000
+
+function decodeCodePointsArray (codePoints) {
+  var len = codePoints.length
+  if (len <= MAX_ARGUMENTS_LENGTH) {
+    return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
+  }
+
+  // Decode in chunks to avoid "call stack size exceeded".
+  var res = ''
+  var i = 0
+  while (i < len) {
+    res += String.fromCharCode.apply(
+      String,
+      codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
+    )
+  }
+  return res
+}
+
+function asciiSlice (buf, start, end) {
+  var ret = ''
+  end = Math.min(buf.length, end)
+
+  for (var i = start; i < end; ++i) {
+    ret += String.fromCharCode(buf[i] & 0x7F)
+  }
+  return ret
+}
+
+function latin1Slice (buf, start, end) {
+  var ret = ''
+  end = Math.min(buf.length, end)
+
+  for (var i = start; i < end; ++i) {
+    ret += String.fromCharCode(buf[i])
+  }
+  return ret
+}
+
+function hexSlice (buf, start, end) {
+  var len = buf.length
+
+  if (!start || start < 0) start = 0
+  if (!end || end < 0 || end > len) end = len
+
+  var out = ''
+  for (var i = start; i < end; ++i) {
+    out += toHex(buf[i])
+  }
+  return out
+}
+
+function utf16leSlice (buf, start, end) {
+  var bytes = buf.slice(start, end)
+  var res = ''
+  for (var i = 0; i < bytes.length; i += 2) {
+    res += String.fromCharCode(bytes[i] + (bytes[i + 1] * 256))
+  }
+  return res
+}
+
+Buffer.prototype.slice = function slice (start, end) {
+  var len = this.length
+  start = ~~start
+  end = end === undefined ? len : ~~end
+
+  if (start < 0) {
+    start += len
+    if (start < 0) start = 0
+  } else if (start > len) {
+    start = len
+  }
+
+  if (end < 0) {
+    end += len
+    if (end < 0) end = 0
+  } else if (end > len) {
+    end = len
+  }
+
+  if (end < start) end = start
+
+  var newBuf = this.subarray(start, end)
+  // Return an augmented `Uint8Array` instance
+  newBuf.__proto__ = Buffer.prototype
+  return newBuf
+}
+
+/*
+ * Need to make sure that buffer isn't trying to write out of bounds.
+ */
+function checkOffset (offset, ext, length) {
+  if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
+  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
+}
+
+Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
+  if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+  var val = this[offset]
+  var mul = 1
+  var i = 0
+  while (++i < byteLength && (mul *= 0x100)) {
+    val += this[offset + i] * mul
+  }
+
+  return val
+}
+
+Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
+  if (!noAssert) {
+    checkOffset(offset, byteLength, this.length)
+  }
+
+  var val = this[offset + --byteLength]
+  var mul = 1
+  while (byteLength > 0 && (mul *= 0x100)) {
+    val += this[offset + --byteLength] * mul
+  }
+
+  return val
+}
+
+Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 1, this.length)
+  return this[offset]
+}
+
+Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 2, this.length)
+  return this[offset] | (this[offset + 1] << 8)
+}
+
+Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 2, this.length)
+  return (this[offset] << 8) | this[offset + 1]
+}
+
+Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 4, this.length)
+
+  return ((this[offset]) |
+      (this[offset + 1] << 8) |
+      (this[offset + 2] << 16)) +
+      (this[offset + 3] * 0x1000000)
+}
+
+Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 4, this.length)
+
+  return (this[offset] * 0x1000000) +
+    ((this[offset + 1] << 16) |
+    (this[offset + 2] << 8) |
+    this[offset + 3])
+}
+
+Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
+  if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+  var val = this[offset]
+  var mul = 1
+  var i = 0
+  while (++i < byteLength && (mul *= 0x100)) {
+    val += this[offset + i] * mul
+  }
+  mul *= 0x80
+
+  if (val >= mul) val -= Math.pow(2, 8 * byteLength)
+
+  return val
+}
+
+Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
+  if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+  var i = byteLength
+  var mul = 1
+  var val = this[offset + --i]
+  while (i > 0 && (mul *= 0x100)) {
+    val += this[offset + --i] * mul
+  }
+  mul *= 0x80
+
+  if (val >= mul) val -= Math.pow(2, 8 * byteLength)
+
+  return val
+}
+
+Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 1, this.length)
+  if (!(this[offset] & 0x80)) return (this[offset])
+  return ((0xff - this[offset] + 1) * -1)
+}
+
+Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 2, this.length)
+  var val = this[offset] | (this[offset + 1] << 8)
+  return (val & 0x8000) ? val | 0xFFFF0000 : val
+}
+
+Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 2, this.length)
+  var val = this[offset + 1] | (this[offset] << 8)
+  return (val & 0x8000) ? val | 0xFFFF0000 : val
+}
+
+Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 4, this.length)
+
+  return (this[offset]) |
+    (this[offset + 1] << 8) |
+    (this[offset + 2] << 16) |
+    (this[offset + 3] << 24)
+}
+
+Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 4, this.length)
+
+  return (this[offset] << 24) |
+    (this[offset + 1] << 16) |
+    (this[offset + 2] << 8) |
+    (this[offset + 3])
+}
+
+Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 4, this.length)
+  return ieee754.read(this, offset, true, 23, 4)
+}
+
+Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 4, this.length)
+  return ieee754.read(this, offset, false, 23, 4)
+}
+
+Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 8, this.length)
+  return ieee754.read(this, offset, true, 52, 8)
+}
+
+Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 8, this.length)
+  return ieee754.read(this, offset, false, 52, 8)
+}
+
+function checkInt (buf, value, offset, ext, max, min) {
+  if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance')
+  if (value > max || value < min) throw new RangeError('"value" argument is out of bounds')
+  if (offset + ext > buf.length) throw new RangeError('Index out of range')
+}
+
+Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
+  if (!noAssert) {
+    var maxBytes = Math.pow(2, 8 * byteLength) - 1
+    checkInt(this, value, offset, byteLength, maxBytes, 0)
+  }
+
+  var mul = 1
+  var i = 0
+  this[offset] = value & 0xFF
+  while (++i < byteLength && (mul *= 0x100)) {
+    this[offset + i] = (value / mul) & 0xFF
+  }
+
+  return offset + byteLength
+}
+
+Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
+  if (!noAssert) {
+    var maxBytes = Math.pow(2, 8 * byteLength) - 1
+    checkInt(this, value, offset, byteLength, maxBytes, 0)
+  }
+
+  var i = byteLength - 1
+  var mul = 1
+  this[offset + i] = value & 0xFF
+  while (--i >= 0 && (mul *= 0x100)) {
+    this[offset + i] = (value / mul) & 0xFF
+  }
+
+  return offset + byteLength
+}
+
+Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
+  this[offset] = (value & 0xff)
+  return offset + 1
+}
+
+Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
+  this[offset] = (value & 0xff)
+  this[offset + 1] = (value >>> 8)
+  return offset + 2
+}
+
+Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
+  this[offset] = (value >>> 8)
+  this[offset + 1] = (value & 0xff)
+  return offset + 2
+}
+
+Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
+  this[offset + 3] = (value >>> 24)
+  this[offset + 2] = (value >>> 16)
+  this[offset + 1] = (value >>> 8)
+  this[offset] = (value & 0xff)
+  return offset + 4
+}
+
+Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
+  this[offset] = (value >>> 24)
+  this[offset + 1] = (value >>> 16)
+  this[offset + 2] = (value >>> 8)
+  this[offset + 3] = (value & 0xff)
+  return offset + 4
+}
+
+Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) {
+    var limit = Math.pow(2, (8 * byteLength) - 1)
+
+    checkInt(this, value, offset, byteLength, limit - 1, -limit)
+  }
+
+  var i = 0
+  var mul = 1
+  var sub = 0
+  this[offset] = value & 0xFF
+  while (++i < byteLength && (mul *= 0x100)) {
+    if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
+      sub = 1
+    }
+    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
+  }
+
+  return offset + byteLength
+}
+
+Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) {
+    var limit = Math.pow(2, (8 * byteLength) - 1)
+
+    checkInt(this, value, offset, byteLength, limit - 1, -limit)
+  }
+
+  var i = byteLength - 1
+  var mul = 1
+  var sub = 0
+  this[offset + i] = value & 0xFF
+  while (--i >= 0 && (mul *= 0x100)) {
+    if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
+      sub = 1
+    }
+    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
+  }
+
+  return offset + byteLength
+}
+
+Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
+  if (value < 0) value = 0xff + value + 1
+  this[offset] = (value & 0xff)
+  return offset + 1
+}
+
+Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
+  this[offset] = (value & 0xff)
+  this[offset + 1] = (value >>> 8)
+  return offset + 2
+}
+
+Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
+  this[offset] = (value >>> 8)
+  this[offset + 1] = (value & 0xff)
+  return offset + 2
+}
+
+Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
+  this[offset] = (value & 0xff)
+  this[offset + 1] = (value >>> 8)
+  this[offset + 2] = (value >>> 16)
+  this[offset + 3] = (value >>> 24)
+  return offset + 4
+}
+
+Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
+  if (value < 0) value = 0xffffffff + value + 1
+  this[offset] = (value >>> 24)
+  this[offset + 1] = (value >>> 16)
+  this[offset + 2] = (value >>> 8)
+  this[offset + 3] = (value & 0xff)
+  return offset + 4
+}
+
+function checkIEEE754 (buf, value, offset, ext, max, min) {
+  if (offset + ext > buf.length) throw new RangeError('Index out of range')
+  if (offset < 0) throw new RangeError('Index out of range')
+}
+
+function writeFloat (buf, value, offset, littleEndian, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) {
+    checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)
+  }
+  ieee754.write(buf, value, offset, littleEndian, 23, 4)
+  return offset + 4
+}
+
+Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
+  return writeFloat(this, value, offset, true, noAssert)
+}
+
+Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
+  return writeFloat(this, value, offset, false, noAssert)
+}
+
+function writeDouble (buf, value, offset, littleEndian, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) {
+    checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)
+  }
+  ieee754.write(buf, value, offset, littleEndian, 52, 8)
+  return offset + 8
+}
+
+Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
+  return writeDouble(this, value, offset, true, noAssert)
+}
+
+Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
+  return writeDouble(this, value, offset, false, noAssert)
+}
+
+// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
+Buffer.prototype.copy = function copy (target, targetStart, start, end) {
+  if (!Buffer.isBuffer(target)) throw new TypeError('argument should be a Buffer')
+  if (!start) start = 0
+  if (!end && end !== 0) end = this.length
+  if (targetStart >= target.length) targetStart = target.length
+  if (!targetStart) targetStart = 0
+  if (end > 0 && end < start) end = start
+
+  // Copy 0 bytes; we're done
+  if (end === start) return 0
+  if (target.length === 0 || this.length === 0) return 0
+
+  // Fatal error conditions
+  if (targetStart < 0) {
+    throw new RangeError('targetStart out of bounds')
+  }
+  if (start < 0 || start >= this.length) throw new RangeError('Index out of range')
+  if (end < 0) throw new RangeError('sourceEnd out of bounds')
+
+  // Are we oob?
+  if (end > this.length) end = this.length
+  if (target.length - targetStart < end - start) {
+    end = target.length - targetStart + start
+  }
+
+  var len = end - start
+
+  if (this === target && typeof Uint8Array.prototype.copyWithin === 'function') {
+    // Use built-in when available, missing from IE11
+    this.copyWithin(targetStart, start, end)
+  } else if (this === target && start < targetStart && targetStart < end) {
+    // descending copy from end
+    for (var i = len - 1; i >= 0; --i) {
+      target[i + targetStart] = this[i + start]
+    }
+  } else {
+    Uint8Array.prototype.set.call(
+      target,
+      this.subarray(start, end),
+      targetStart
+    )
+  }
+
+  return len
+}
+
+// Usage:
+//    buffer.fill(number[, offset[, end]])
+//    buffer.fill(buffer[, offset[, end]])
+//    buffer.fill(string[, offset[, end]][, encoding])
+Buffer.prototype.fill = function fill (val, start, end, encoding) {
+  // Handle string cases:
+  if (typeof val === 'string') {
+    if (typeof start === 'string') {
+      encoding = start
+      start = 0
+      end = this.length
+    } else if (typeof end === 'string') {
+      encoding = end
+      end = this.length
+    }
+    if (encoding !== undefined && typeof encoding !== 'string') {
+      throw new TypeError('encoding must be a string')
+    }
+    if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
+      throw new TypeError('Unknown encoding: ' + encoding)
+    }
+    if (val.length === 1) {
+      var code = val.charCodeAt(0)
+      if ((encoding === 'utf8' && code < 128) ||
+          encoding === 'latin1') {
+        // Fast path: If `val` fits into a single byte, use that numeric value.
+        val = code
+      }
+    }
+  } else if (typeof val === 'number') {
+    val = val & 255
+  }
+
+  // Invalid ranges are not set to a default, so can range check early.
+  if (start < 0 || this.length < start || this.length < end) {
+    throw new RangeError('Out of range index')
+  }
+
+  if (end <= start) {
+    return this
+  }
+
+  start = start >>> 0
+  end = end === undefined ? this.length : end >>> 0
+
+  if (!val) val = 0
+
+  var i
+  if (typeof val === 'number') {
+    for (i = start; i < end; ++i) {
+      this[i] = val
+    }
+  } else {
+    var bytes = Buffer.isBuffer(val)
+      ? val
+      : new Buffer(val, encoding)
+    var len = bytes.length
+    if (len === 0) {
+      throw new TypeError('The value "' + val +
+        '" is invalid for argument "value"')
+    }
+    for (i = 0; i < end - start; ++i) {
+      this[i + start] = bytes[i % len]
+    }
+  }
+
+  return this
+}
+
+// HELPER FUNCTIONS
+// ================
+
+var INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g
+
+function base64clean (str) {
+  // Node takes equal signs as end of the Base64 encoding
+  str = str.split('=')[0]
+  // Node strips out invalid characters like \n and \t from the string, base64-js does not
+  str = str.trim().replace(INVALID_BASE64_RE, '')
+  // Node converts strings with length < 2 to ''
+  if (str.length < 2) return ''
+  // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
+  while (str.length % 4 !== 0) {
+    str = str + '='
+  }
+  return str
+}
+
+function toHex (n) {
+  if (n < 16) return '0' + n.toString(16)
+  return n.toString(16)
+}
+
+function utf8ToBytes (string, units) {
+  units = units || Infinity
+  var codePoint
+  var length = string.length
+  var leadSurrogate = null
+  var bytes = []
+
+  for (var i = 0; i < length; ++i) {
+    codePoint = string.charCodeAt(i)
+
+    // is surrogate component
+    if (codePoint > 0xD7FF && codePoint < 0xE000) {
+      // last char was a lead
+      if (!leadSurrogate) {
+        // no lead yet
+        if (codePoint > 0xDBFF) {
+          // unexpected trail
+          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+          continue
+        } else if (i + 1 === length) {
+          // unpaired lead
+          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+          continue
+        }
+
+        // valid lead
+        leadSurrogate = codePoint
+
+        continue
+      }
+
+      // 2 leads in a row
+      if (codePoint < 0xDC00) {
+        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+        leadSurrogate = codePoint
+        continue
+      }
+
+      // valid surrogate pair
+      codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000
+    } else if (leadSurrogate) {
+      // valid bmp char, but last char was a lead
+      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+    }
+
+    leadSurrogate = null
+
+    // encode utf8
+    if (codePoint < 0x80) {
+      if ((units -= 1) < 0) break
+      bytes.push(codePoint)
+    } else if (codePoint < 0x800) {
+      if ((units -= 2) < 0) break
+      bytes.push(
+        codePoint >> 0x6 | 0xC0,
+        codePoint & 0x3F | 0x80
+      )
+    } else if (codePoint < 0x10000) {
+      if ((units -= 3) < 0) break
+      bytes.push(
+        codePoint >> 0xC | 0xE0,
+        codePoint >> 0x6 & 0x3F | 0x80,
+        codePoint & 0x3F | 0x80
+      )
+    } else if (codePoint < 0x110000) {
+      if ((units -= 4) < 0) break
+      bytes.push(
+        codePoint >> 0x12 | 0xF0,
+        codePoint >> 0xC & 0x3F | 0x80,
+        codePoint >> 0x6 & 0x3F | 0x80,
+        codePoint & 0x3F | 0x80
+      )
+    } else {
+      throw new Error('Invalid code point')
+    }
+  }
+
+  return bytes
+}
+
+function asciiToBytes (str) {
+  var byteArray = []
+  for (var i = 0; i < str.length; ++i) {
+    // Node's code seems to be doing this and not & 0x7F..
+    byteArray.push(str.charCodeAt(i) & 0xFF)
+  }
+  return byteArray
+}
+
+function utf16leToBytes (str, units) {
+  var c, hi, lo
+  var byteArray = []
+  for (var i = 0; i < str.length; ++i) {
+    if ((units -= 2) < 0) break
+
+    c = str.charCodeAt(i)
+    hi = c >> 8
+    lo = c % 256
+    byteArray.push(lo)
+    byteArray.push(hi)
+  }
+
+  return byteArray
+}
+
+function base64ToBytes (str) {
+  return base64.toByteArray(base64clean(str))
+}
+
+function blitBuffer (src, dst, offset, length) {
+  for (var i = 0; i < length; ++i) {
+    if ((i + offset >= dst.length) || (i >= src.length)) break
+    dst[i + offset] = src[i]
+  }
+  return i
+}
+
+// ArrayBuffers from another context (i.e. an iframe) do not pass the `instanceof` check
+// but they should be treated as valid. See: https://github.com/feross/buffer/issues/166
+function isArrayBuffer (obj) {
+  return obj instanceof ArrayBuffer ||
+    (obj != null && obj.constructor != null && obj.constructor.name === 'ArrayBuffer' &&
+      typeof obj.byteLength === 'number')
+}
+
+function numberIsNaN (obj) {
+  return obj !== obj // eslint-disable-line no-self-compare
+}
+
+},{"base64-js":9,"ieee754":13}],11:[function(_dereq_,module,exports){
+(function (Buffer){
+var clone = (function() {
+'use strict';
+
+function _instanceof(obj, type) {
+  return type != null && obj instanceof type;
+}
+
+var nativeMap;
+try {
+  nativeMap = Map;
+} catch(_) {
+  // maybe a reference error because no `Map`. Give it a dummy value that no
+  // value will ever be an instanceof.
+  nativeMap = function() {};
+}
+
+var nativeSet;
+try {
+  nativeSet = Set;
+} catch(_) {
+  nativeSet = function() {};
+}
+
+var nativePromise;
+try {
+  nativePromise = Promise;
+} catch(_) {
+  nativePromise = function() {};
+}
+
+/**
+ * Clones (copies) an Object using deep copying.
+ *
+ * This function supports circular references by default, but if you are certain
+ * there are no circular references in your object, you can save some CPU time
+ * by calling clone(obj, false).
+ *
+ * Caution: if `circular` is false and `parent` contains circular references,
+ * your program may enter an infinite loop and crash.
+ *
+ * @param `parent` - the object to be cloned
+ * @param `circular` - set to true if the object to be cloned may contain
+ *    circular references. (optional - true by default)
+ * @param `depth` - set to a number if the object is only to be cloned to
+ *    a particular depth. (optional - defaults to Infinity)
+ * @param `prototype` - sets the prototype to be used when cloning an object.
+ *    (optional - defaults to parent prototype).
+ * @param `includeNonEnumerable` - set to true if the non-enumerable properties
+ *    should be cloned as well. Non-enumerable properties on the prototype
+ *    chain will be ignored. (optional - false by default)
+*/
+function clone(parent, circular, depth, prototype, includeNonEnumerable) {
+  if (typeof circular === 'object') {
+    depth = circular.depth;
+    prototype = circular.prototype;
+    includeNonEnumerable = circular.includeNonEnumerable;
+    circular = circular.circular;
+  }
+  // maintain two arrays for circular references, where corresponding parents
+  // and children have the same index
+  var allParents = [];
+  var allChildren = [];
+
+  var useBuffer = typeof Buffer != 'undefined';
+
+  if (typeof circular == 'undefined')
+    circular = true;
+
+  if (typeof depth == 'undefined')
+    depth = Infinity;
+
+  // recurse this function so we don't reset allParents and allChildren
+  function _clone(parent, depth) {
+    // cloning null always returns null
+    if (parent === null)
+      return null;
+
+    if (depth === 0)
+      return parent;
+
+    var child;
+    var proto;
+    if (typeof parent != 'object') {
+      return parent;
+    }
+
+    if (_instanceof(parent, nativeMap)) {
+      child = new nativeMap();
+    } else if (_instanceof(parent, nativeSet)) {
+      child = new nativeSet();
+    } else if (_instanceof(parent, nativePromise)) {
+      child = new nativePromise(function (resolve, reject) {
+        parent.then(function(value) {
+          resolve(_clone(value, depth - 1));
+        }, function(err) {
+          reject(_clone(err, depth - 1));
+        });
+      });
+    } else if (clone.__isArray(parent)) {
+      child = [];
+    } else if (clone.__isRegExp(parent)) {
+      child = new RegExp(parent.source, __getRegExpFlags(parent));
+      if (parent.lastIndex) child.lastIndex = parent.lastIndex;
+    } else if (clone.__isDate(parent)) {
+      child = new Date(parent.getTime());
+    } else if (useBuffer && Buffer.isBuffer(parent)) {
+      child = new Buffer(parent.length);
+      parent.copy(child);
+      return child;
+    } else if (_instanceof(parent, Error)) {
+      child = Object.create(parent);
+    } else {
+      if (typeof prototype == 'undefined') {
+        proto = Object.getPrototypeOf(parent);
+        child = Object.create(proto);
+      }
+      else {
+        child = Object.create(prototype);
+        proto = prototype;
+      }
+    }
+
+    if (circular) {
+      var index = allParents.indexOf(parent);
+
+      if (index != -1) {
+        return allChildren[index];
+      }
+      allParents.push(parent);
+      allChildren.push(child);
+    }
+
+    if (_instanceof(parent, nativeMap)) {
+      parent.forEach(function(value, key) {
+        var keyChild = _clone(key, depth - 1);
+        var valueChild = _clone(value, depth - 1);
+        child.set(keyChild, valueChild);
+      });
+    }
+    if (_instanceof(parent, nativeSet)) {
+      parent.forEach(function(value) {
+        var entryChild = _clone(value, depth - 1);
+        child.add(entryChild);
+      });
+    }
+
+    for (var i in parent) {
+      var attrs;
+      if (proto) {
+        attrs = Object.getOwnPropertyDescriptor(proto, i);
+      }
+
+      if (attrs && attrs.set == null) {
+        continue;
+      }
+      child[i] = _clone(parent[i], depth - 1);
+    }
+
+    if (Object.getOwnPropertySymbols) {
+      var symbols = Object.getOwnPropertySymbols(parent);
+      for (var i = 0; i < symbols.length; i++) {
+        // Don't need to worry about cloning a symbol because it is a primitive,
+        // like a number or string.
+        var symbol = symbols[i];
+        var descriptor = Object.getOwnPropertyDescriptor(parent, symbol);
+        if (descriptor && !descriptor.enumerable && !includeNonEnumerable) {
+          continue;
+        }
+        child[symbol] = _clone(parent[symbol], depth - 1);
+        if (!descriptor.enumerable) {
+          Object.defineProperty(child, symbol, {
+            enumerable: false
+          });
+        }
+      }
+    }
+
+    if (includeNonEnumerable) {
+      var allPropertyNames = Object.getOwnPropertyNames(parent);
+      for (var i = 0; i < allPropertyNames.length; i++) {
+        var propertyName = allPropertyNames[i];
+        var descriptor = Object.getOwnPropertyDescriptor(parent, propertyName);
+        if (descriptor && descriptor.enumerable) {
+          continue;
+        }
+        child[propertyName] = _clone(parent[propertyName], depth - 1);
+        Object.defineProperty(child, propertyName, {
+          enumerable: false
+        });
+      }
+    }
+
+    return child;
+  }
+
+  return _clone(parent, depth);
+}
+
+/**
+ * Simple flat clone using prototype, accepts only objects, usefull for property
+ * override on FLAT configuration object (no nested props).
+ *
+ * USE WITH CAUTION! This may not behave as you wish if you do not know how this
+ * works.
+ */
+clone.clonePrototype = function clonePrototype(parent) {
+  if (parent === null)
+    return null;
+
+  var c = function () {};
+  c.prototype = parent;
+  return new c();
+};
+
+// private utility functions
+
+function __objToStr(o) {
+  return Object.prototype.toString.call(o);
+}
+clone.__objToStr = __objToStr;
+
+function __isDate(o) {
+  return typeof o === 'object' && __objToStr(o) === '[object Date]';
+}
+clone.__isDate = __isDate;
+
+function __isArray(o) {
+  return typeof o === 'object' && __objToStr(o) === '[object Array]';
+}
+clone.__isArray = __isArray;
+
+function __isRegExp(o) {
+  return typeof o === 'object' && __objToStr(o) === '[object RegExp]';
+}
+clone.__isRegExp = __isRegExp;
+
+function __getRegExpFlags(re) {
+  var flags = '';
+  if (re.global) flags += 'g';
+  if (re.ignoreCase) flags += 'i';
+  if (re.multiline) flags += 'm';
+  return flags;
+}
+clone.__getRegExpFlags = __getRegExpFlags;
+
+return clone;
+})();
+
+if (typeof module === 'object' && module.exports) {
+  module.exports = clone;
+}
+
+}).call(this,_dereq_("buffer").Buffer)
+},{"buffer":10}],12:[function(_dereq_,module,exports){
+
+/**
+ * Expose `Emitter`.
+ */
+
+if (typeof module !== 'undefined') {
+  module.exports = Emitter;
+}
+
+/**
+ * Initialize a new `Emitter`.
+ *
+ * @api public
+ */
+
+function Emitter(obj) {
+  if (obj) return mixin(obj);
+};
+
+/**
+ * Mixin the emitter properties.
+ *
+ * @param {Object} obj
+ * @return {Object}
+ * @api private
+ */
+
+function mixin(obj) {
+  for (var key in Emitter.prototype) {
+    obj[key] = Emitter.prototype[key];
+  }
+  return obj;
+}
+
+/**
+ * Listen on the given `event` with `fn`.
+ *
+ * @param {String} event
+ * @param {Function} fn
+ * @return {Emitter}
+ * @api public
+ */
+
+Emitter.prototype.on =
+Emitter.prototype.addEventListener = function(event, fn){
+  this._callbacks = this._callbacks || {};
+  (this._callbacks['$' + event] = this._callbacks['$' + event] || [])
+    .push(fn);
+  return this;
+};
+
+/**
+ * Adds an `event` listener that will be invoked a single
+ * time then automatically removed.
+ *
+ * @param {String} event
+ * @param {Function} fn
+ * @return {Emitter}
+ * @api public
+ */
+
+Emitter.prototype.once = function(event, fn){
+  function on() {
+    this.off(event, on);
+    fn.apply(this, arguments);
+  }
+
+  on.fn = fn;
+  this.on(event, on);
+  return this;
+};
+
+/**
+ * Remove the given callback for `event` or all
+ * registered callbacks.
+ *
+ * @param {String} event
+ * @param {Function} fn
+ * @return {Emitter}
+ * @api public
+ */
+
+Emitter.prototype.off =
+Emitter.prototype.removeListener =
+Emitter.prototype.removeAllListeners =
+Emitter.prototype.removeEventListener = function(event, fn){
+  this._callbacks = this._callbacks || {};
+
+  // all
+  if (0 == arguments.length) {
+    this._callbacks = {};
+    return this;
+  }
+
+  // specific event
+  var callbacks = this._callbacks['$' + event];
+  if (!callbacks) return this;
+
+  // remove all handlers
+  if (1 == arguments.length) {
+    delete this._callbacks['$' + event];
+    return this;
+  }
+
+  // remove specific handler
+  var cb;
+  for (var i = 0; i < callbacks.length; i++) {
+    cb = callbacks[i];
+    if (cb === fn || cb.fn === fn) {
+      callbacks.splice(i, 1);
+      break;
+    }
+  }
+  return this;
+};
+
+/**
+ * Emit `event` with the given args.
+ *
+ * @param {String} event
+ * @param {Mixed} ...
+ * @return {Emitter}
+ */
+
+Emitter.prototype.emit = function(event){
+  this._callbacks = this._callbacks || {};
+  var args = [].slice.call(arguments, 1)
+    , callbacks = this._callbacks['$' + event];
+
+  if (callbacks) {
+    callbacks = callbacks.slice(0);
+    for (var i = 0, len = callbacks.length; i < len; ++i) {
+      callbacks[i].apply(this, args);
+    }
+  }
+
+  return this;
+};
+
+/**
+ * Return array of callbacks for `event`.
+ *
+ * @param {String} event
+ * @return {Array}
+ * @api public
+ */
+
+Emitter.prototype.listeners = function(event){
+  this._callbacks = this._callbacks || {};
+  return this._callbacks['$' + event] || [];
+};
+
+/**
+ * Check if this emitter has `event` handlers.
+ *
+ * @param {String} event
+ * @return {Boolean}
+ * @api public
+ */
+
+Emitter.prototype.hasListeners = function(event){
+  return !! this.listeners(event).length;
+};
+
+},{}],13:[function(_dereq_,module,exports){
+exports.read = function (buffer, offset, isLE, mLen, nBytes) {
+  var e, m
+  var eLen = (nBytes * 8) - mLen - 1
+  var eMax = (1 << eLen) - 1
+  var eBias = eMax >> 1
+  var nBits = -7
+  var i = isLE ? (nBytes - 1) : 0
+  var d = isLE ? -1 : 1
+  var s = buffer[offset + i]
+
+  i += d
+
+  e = s & ((1 << (-nBits)) - 1)
+  s >>= (-nBits)
+  nBits += eLen
+  for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {}
+
+  m = e & ((1 << (-nBits)) - 1)
+  e >>= (-nBits)
+  nBits += mLen
+  for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {}
+
+  if (e === 0) {
+    e = 1 - eBias
+  } else if (e === eMax) {
+    return m ? NaN : ((s ? -1 : 1) * Infinity)
+  } else {
+    m = m + Math.pow(2, mLen)
+    e = e - eBias
+  }
+  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
+}
+
+exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
+  var e, m, c
+  var eLen = (nBytes * 8) - mLen - 1
+  var eMax = (1 << eLen) - 1
+  var eBias = eMax >> 1
+  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
+  var i = isLE ? 0 : (nBytes - 1)
+  var d = isLE ? 1 : -1
+  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0
+
+  value = Math.abs(value)
+
+  if (isNaN(value) || value === Infinity) {
+    m = isNaN(value) ? 1 : 0
+    e = eMax
+  } else {
+    e = Math.floor(Math.log(value) / Math.LN2)
+    if (value * (c = Math.pow(2, -e)) < 1) {
+      e--
+      c *= 2
+    }
+    if (e + eBias >= 1) {
+      value += rt / c
+    } else {
+      value += rt * Math.pow(2, 1 - eBias)
+    }
+    if (value * c >= 2) {
+      e++
+      c /= 2
+    }
+
+    if (e + eBias >= eMax) {
+      m = 0
+      e = eMax
+    } else if (e + eBias >= 1) {
+      m = ((value * c) - 1) * Math.pow(2, mLen)
+      e = e + eBias
+    } else {
+      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
+      e = 0
+    }
+  }
+
+  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
+
+  e = (e << mLen) | m
+  eLen += mLen
+  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
+
+  buffer[offset + i - d] |= s * 128
+}
+
+},{}],14:[function(_dereq_,module,exports){
+'use strict';
+
+/**
+ * Constants.
+ */
+
+var errorMessage;
+
+errorMessage = 'An argument without append, prepend, ' +
+    'or detach methods was given to `List';
+
+/**
+ * Creates a new List: A linked list is a bit like an Array, but
+ * knows nothing about how many items are in it, and knows only about its
+ * first (`head`) and last (`tail`) items. Each item (e.g. `head`, `tail`,
+ * &c.) knows which item comes before or after it (its more like the
+ * implementation of the DOM in JavaScript).
+ * @global
+ * @private
+ * @constructor
+ * @class Represents an instance of List.
+ */
+
+function List(/*items...*/) {
+    if (arguments.length) {
+        return List.from(arguments);
+    }
+}
+
+var ListPrototype;
+
+ListPrototype = List.prototype;
+
+/**
+ * Creates a new list from the arguments (each a list item) passed in.
+ * @name List.of
+ * @param {...ListItem} [items] - Zero or more items to attach.
+ * @returns {list} - A new instance of List.
+ */
+
+List.of = function (/*items...*/) {
+    return List.from.call(this, arguments);
+};
+
+/**
+ * Creates a new list from the given array-like object (each a list item)
+ * passed in.
+ * @name List.from
+ * @param {ListItem[]} [items] - The items to append.
+ * @returns {list} - A new instance of List.
+ */
+List.from = function (items) {
+    var list = new this(), length, iterator, item;
+
+    if (items && (length = items.length)) {
+        iterator = -1;
+
+        while (++iterator < length) {
+            item = items[iterator];
+
+            if (item !== null && item !== undefined) {
+                list.append(item);
+            }
+        }
+    }
+
+    return list;
+};
+
+/**
+ * List#head
+ * Default to `null`.
+ */
+ListPrototype.head = null;
+
+/**
+ * List#tail
+ * Default to `null`.
+ */
+ListPrototype.tail = null;
+
+/**
+ * Returns the list's items as an array. This does *not* detach the items.
+ * @name List#toArray
+ * @returns {ListItem[]} - An array of (still attached) ListItems.
+ */
+ListPrototype.toArray = function () {
+    var item = this.head,
+        result = [];
+
+    while (item) {
+        result.push(item);
+        item = item.next;
+    }
+
+    return result;
+};
+
+/**
+ * Prepends the given item to the list: Item will be the new first item
+ * (`head`).
+ * @name List#prepend
+ * @param {ListItem} item - The item to prepend.
+ * @returns {ListItem} - An instance of ListItem (the given item).
+ */
+ListPrototype.prepend = function (item) {
+    if (!item) {
+        return false;
+    }
+
+    if (!item.append || !item.prepend || !item.detach) {
+        throw new Error(errorMessage + '#prepend`.');
+    }
+
+    var self, head;
+
+    // Cache self.
+    self = this;
+
+    // If self has a first item, defer prepend to the first items prepend
+    // method, and return the result.
+    head = self.head;
+
+    if (head) {
+        return head.prepend(item);
+    }
+
+    // ...otherwise, there is no `head` (or `tail`) item yet.
+
+    // Detach the prependee.
+    item.detach();
+
+    // Set the prependees parent list to reference self.
+    item.list = self;
+
+    // Set self's first item to the prependee, and return the item.
+    self.head = item;
+
+    return item;
+};
+
+/**
+ * Appends the given item to the list: Item will be the new last item (`tail`)
+ * if the list had a first item, and its first item (`head`) otherwise.
+ * @name List#append
+ * @param {ListItem} item - The item to append.
+ * @returns {ListItem} - An instance of ListItem (the given item).
+ */
+
+ListPrototype.append = function (item) {
+    if (!item) {
+        return false;
+    }
+
+    if (!item.append || !item.prepend || !item.detach) {
+        throw new Error(errorMessage + '#append`.');
+    }
+
+    var self, head, tail;
+
+    // Cache self.
+    self = this;
+
+    // If self has a last item, defer appending to the last items append
+    // method, and return the result.
+    tail = self.tail;
+
+    if (tail) {
+        return tail.append(item);
+    }
+
+    // If self has a first item, defer appending to the first items append
+    // method, and return the result.
+    head = self.head;
+
+    if (head) {
+        return head.append(item);
+    }
+
+    // ...otherwise, there is no `tail` or `head` item yet.
+
+    // Detach the appendee.
+    item.detach();
+
+    // Set the appendees parent list to reference self.
+    item.list = self;
+
+    // Set self's first item to the appendee, and return the item.
+    self.head = item;
+
+    return item;
+};
+
+/**
+ * Creates a new ListItem: A linked list item is a bit like DOM node:
+ * It knows only about its "parent" (`list`), the item before it (`prev`),
+ * and the item after it (`next`).
+ * @global
+ * @private
+ * @constructor
+ * @class Represents an instance of ListItem.
+ */
+
+function ListItem() {}
+
+List.Item = ListItem;
+
+var ListItemPrototype = ListItem.prototype;
+
+ListItemPrototype.next = null;
+
+ListItemPrototype.prev = null;
+
+ListItemPrototype.list = null;
+
+/**
+ * Detaches the item operated on from its parent list.
+ * @name ListItem#detach
+ * @returns {ListItem} - The item operated on.
+ */
+ListItemPrototype.detach = function () {
+    // Cache self, the parent list, and the previous and next items.
+    var self = this,
+        list = self.list,
+        prev = self.prev,
+        next = self.next;
+
+    // If the item is already detached, return self.
+    if (!list) {
+        return self;
+    }
+
+    // If self is the last item in the parent list, link the lists last item
+    // to the previous item.
+    if (list.tail === self) {
+        list.tail = prev;
+    }
+
+    // If self is the first item in the parent list, link the lists first item
+    // to the next item.
+    if (list.head === self) {
+        list.head = next;
+    }
+
+    // If both the last and first items in the parent list are the same,
+    // remove the link to the last item.
+    if (list.tail === list.head) {
+        list.tail = null;
+    }
+
+    // If a previous item exists, link its next item to selfs next item.
+    if (prev) {
+        prev.next = next;
+    }
+
+    // If a next item exists, link its previous item to selfs previous item.
+    if (next) {
+        next.prev = prev;
+    }
+
+    // Remove links from self to both the next and previous items, and to the
+    // parent list.
+    self.prev = self.next = self.list = null;
+
+    // Return self.
+    return self;
+};
+
+/**
+ * Prepends the given item *before* the item operated on.
+ * @name ListItem#prepend
+ * @param {ListItem} item - The item to prepend.
+ * @returns {ListItem} - The item operated on, or false when that item is not
+ * attached.
+ */
+ListItemPrototype.prepend = function (item) {
+    if (!item || !item.append || !item.prepend || !item.detach) {
+        throw new Error(errorMessage + 'Item#prepend`.');
+    }
+
+    // Cache self, the parent list, and the previous item.
+    var self = this,
+        list = self.list,
+        prev = self.prev;
+
+    // If self is detached, return false.
+    if (!list) {
+        return false;
+    }
+
+    // Detach the prependee.
+    item.detach();
+
+    // If self has a previous item...
+    if (prev) {
+        // ...link the prependees previous item, to selfs previous item.
+        item.prev = prev;
+
+        // ...link the previous items next item, to self.
+        prev.next = item;
+    }
+
+    // Set the prependees next item to self.
+    item.next = self;
+
+    // Set the prependees parent list to selfs parent list.
+    item.list = list;
+
+    // Set the previous item of self to the prependee.
+    self.prev = item;
+
+    // If self is the first item in the parent list, link the lists first item
+    // to the prependee.
+    if (self === list.head) {
+        list.head = item;
+    }
+
+    // If the the parent list has no last item, link the lists last item to
+    // self.
+    if (!list.tail) {
+        list.tail = self;
+    }
+
+    // Return the prependee.
+    return item;
+};
+
+/**
+ * Appends the given item *after* the item operated on.
+ * @name ListItem#append
+ * @param {ListItem} item - The item to append.
+ * @returns {ListItem} - The item operated on, or false when that item is not
+ * attached.
+ */
+ListItemPrototype.append = function (item) {
+    // If item is falsey, return false.
+    if (!item || !item.append || !item.prepend || !item.detach) {
+        throw new Error(errorMessage + 'Item#append`.');
+    }
+
+    // Cache self, the parent list, and the next item.
+    var self = this,
+        list = self.list,
+        next = self.next;
+
+    // If self is detached, return false.
+    if (!list) {
+        return false;
+    }
+
+    // Detach the appendee.
+    item.detach();
+
+    // If self has a next item...
+    if (next) {
+        // ...link the appendees next item, to selfs next item.
+        item.next = next;
+
+        // ...link the next items previous item, to the appendee.
+        next.prev = item;
+    }
+
+    // Set the appendees previous item to self.
+    item.prev = self;
+
+    // Set the appendees parent list to selfs parent list.
+    item.list = list;
+
+    // Set the next item of self to the appendee.
+    self.next = item;
+
+    // If the the parent list has no last item or if self is the parent lists
+    // last item, link the lists last item to the appendee.
+    if (self === list.tail || !list.tail) {
+        list.tail = item;
+    }
+
+    // Return the appendee.
+    return item;
+};
+
+/**
+ * Expose `List`.
+ */
+
+module.exports = List;
+
+},{}],15:[function(_dereq_,module,exports){
+'use strict';
+
+module.exports = _dereq_('./_source/linked-list.js');
+
+},{"./_source/linked-list.js":14}],16:[function(_dereq_,module,exports){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+
+// If obj.hasOwnProperty has been overridden, then calling
+// obj.hasOwnProperty(prop) will break.
+// See: https://github.com/joyent/node/issues/1707
+function hasOwnProperty(obj, prop) {
+  return Object.prototype.hasOwnProperty.call(obj, prop);
+}
+
+module.exports = function(qs, sep, eq, options) {
+  sep = sep || '&';
+  eq = eq || '=';
+  var obj = {};
+
+  if (typeof qs !== 'string' || qs.length === 0) {
+    return obj;
+  }
+
+  var regexp = /\+/g;
+  qs = qs.split(sep);
+
+  var maxKeys = 1000;
+  if (options && typeof options.maxKeys === 'number') {
+    maxKeys = options.maxKeys;
+  }
+
+  var len = qs.length;
+  // maxKeys <= 0 means that we should not limit keys count
+  if (maxKeys > 0 && len > maxKeys) {
+    len = maxKeys;
+  }
+
+  for (var i = 0; i < len; ++i) {
+    var x = qs[i].replace(regexp, '%20'),
+        idx = x.indexOf(eq),
+        kstr, vstr, k, v;
+
+    if (idx >= 0) {
+      kstr = x.substr(0, idx);
+      vstr = x.substr(idx + 1);
+    } else {
+      kstr = x;
+      vstr = '';
+    }
+
+    k = decodeURIComponent(kstr);
+    v = decodeURIComponent(vstr);
+
+    if (!hasOwnProperty(obj, k)) {
+      obj[k] = v;
+    } else if (isArray(obj[k])) {
+      obj[k].push(v);
+    } else {
+      obj[k] = [obj[k], v];
+    }
+  }
+
+  return obj;
+};
+
+var isArray = Array.isArray || function (xs) {
+  return Object.prototype.toString.call(xs) === '[object Array]';
+};
+
+},{}],17:[function(_dereq_,module,exports){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+
+var stringifyPrimitive = function(v) {
+  switch (typeof v) {
+    case 'string':
+      return v;
+
+    case 'boolean':
+      return v ? 'true' : 'false';
+
+    case 'number':
+      return isFinite(v) ? v : '';
+
+    default:
+      return '';
+  }
+};
+
+module.exports = function(obj, sep, eq, name) {
+  sep = sep || '&';
+  eq = eq || '=';
+  if (obj === null) {
+    obj = undefined;
+  }
+
+  if (typeof obj === 'object') {
+    return map(objectKeys(obj), function(k) {
+      var ks = encodeURIComponent(stringifyPrimitive(k)) + eq;
+      if (isArray(obj[k])) {
+        return map(obj[k], function(v) {
+          return ks + encodeURIComponent(stringifyPrimitive(v));
+        }).join(sep);
+      } else {
+        return ks + encodeURIComponent(stringifyPrimitive(obj[k]));
+      }
+    }).join(sep);
+
+  }
+
+  if (!name) return '';
+  return encodeURIComponent(stringifyPrimitive(name)) + eq +
+         encodeURIComponent(stringifyPrimitive(obj));
+};
+
+var isArray = Array.isArray || function (xs) {
+  return Object.prototype.toString.call(xs) === '[object Array]';
+};
+
+function map (xs, f) {
+  if (xs.map) return xs.map(f);
+  var res = [];
+  for (var i = 0; i < xs.length; i++) {
+    res.push(f(xs[i], i));
+  }
+  return res;
+}
+
+var objectKeys = Object.keys || function (obj) {
+  var res = [];
+  for (var key in obj) {
+    if (Object.prototype.hasOwnProperty.call(obj, key)) res.push(key);
+  }
+  return res;
+};
+
+},{}],18:[function(_dereq_,module,exports){
+'use strict';
+
+exports.decode = exports.parse = _dereq_('./decode');
+exports.encode = exports.stringify = _dereq_('./encode');
+
+},{"./decode":16,"./encode":17}],19:[function(_dereq_,module,exports){
+var Emitter = _dereq_('component-emitter');
+
+var SCChannel = function (name, client, options) {
+  var self = this;
+
+  Emitter.call(this);
+
+  this.PENDING = 'pending';
+  this.SUBSCRIBED = 'subscribed';
+  this.UNSUBSCRIBED = 'unsubscribed';
+
+  this.name = name;
+  this.state = this.UNSUBSCRIBED;
+  this.client = client;
+
+  this.options = options || {};
+  this.setOptions(this.options);
+};
+
+SCChannel.prototype = Object.create(Emitter.prototype);
+
+SCChannel.prototype.setOptions = function (options) {
+  if (!options) {
+    options = {};
+  }
+  this.waitForAuth = options.waitForAuth || false;
+  this.batch = options.batch || false;
+
+  if (options.data !== undefined) {
+    this.data = options.data;
+  }
+};
+
+SCChannel.prototype.getState = function () {
+  return this.state;
+};
+
+SCChannel.prototype.subscribe = function (options) {
+  this.client.subscribe(this.name, options);
+};
+
+SCChannel.prototype.unsubscribe = function () {
+  this.client.unsubscribe(this.name);
+};
+
+SCChannel.prototype.isSubscribed = function (includePending) {
+  return this.client.isSubscribed(this.name, includePending);
+};
+
+SCChannel.prototype.publish = function (data, callback) {
+  this.client.publish(this.name, data, callback);
+};
+
+SCChannel.prototype.watch = function (handler) {
+  this.client.watch(this.name, handler);
+};
+
+SCChannel.prototype.unwatch = function (handler) {
+  this.client.unwatch(this.name, handler);
+};
+
+SCChannel.prototype.watchers = function () {
+  return this.client.watchers(this.name);
+};
+
+SCChannel.prototype.destroy = function () {
+  this.client.destroyChannel(this.name);
+};
+
+module.exports.SCChannel = SCChannel;
+
+},{"component-emitter":12}],20:[function(_dereq_,module,exports){
+// Based on https://github.com/dscape/cycle/blob/master/cycle.js
+
+module.exports = function decycle(object) {
+// Make a deep copy of an object or array, assuring that there is at most
+// one instance of each object or array in the resulting structure. The
+// duplicate references (which might be forming cycles) are replaced with
+// an object of the form
+//      {$ref: PATH}
+// where the PATH is a JSONPath string that locates the first occurance.
+// So,
+//      var a = [];
+//      a[0] = a;
+//      return JSON.stringify(JSON.decycle(a));
+// produces the string '[{"$ref":"$"}]'.
+
+// JSONPath is used to locate the unique object. $ indicates the top level of
+// the object or array. [NUMBER] or [STRING] indicates a child member or
+// property.
+
+    var objects = [],   // Keep a reference to each unique object or array
+        paths = [];     // Keep the path to each unique object or array
+
+    return (function derez(value, path) {
+
+// The derez recurses through the object, producing the deep copy.
+
+        var i,          // The loop counter
+            name,       // Property name
+            nu;         // The new object or array
+
+// typeof null === 'object', so go on if this value is really an object but not
+// one of the weird builtin objects.
+
+        if (typeof value === 'object' && value !== null &&
+                !(value instanceof Boolean) &&
+                !(value instanceof Date)    &&
+                !(value instanceof Number)  &&
+                !(value instanceof RegExp)  &&
+                !(value instanceof String)) {
+
+// If the value is an object or array, look to see if we have already
+// encountered it. If so, return a $ref/path object. This is a hard way,
+// linear search that will get slower as the number of unique objects grows.
+
+            for (i = 0; i < objects.length; i += 1) {
+                if (objects[i] === value) {
+                    return {$ref: paths[i]};
+                }
+            }
+
+// Otherwise, accumulate the unique value and its path.
+
+            objects.push(value);
+            paths.push(path);
+
+// If it is an array, replicate the array.
+
+            if (Object.prototype.toString.apply(value) === '[object Array]') {
+                nu = [];
+                for (i = 0; i < value.length; i += 1) {
+                    nu[i] = derez(value[i], path + '[' + i + ']');
+                }
+            } else {
+
+// If it is an object, replicate the object.
+
+                nu = {};
+                for (name in value) {
+                    if (Object.prototype.hasOwnProperty.call(value, name)) {
+                        nu[name] = derez(value[name],
+                            path + '[' + JSON.stringify(name) + ']');
+                    }
+                }
+            }
+            return nu;
+        }
+        return value;
+    }(object, '$'));
+};
+
+},{}],21:[function(_dereq_,module,exports){
+var decycle = _dereq_('./decycle');
+
+var isStrict = (function () { return !this; })();
+
+function AuthTokenExpiredError(message, expiry) {
+  this.name = 'AuthTokenExpiredError';
+  this.message = message;
+  this.expiry = expiry;
+  if (Error.captureStackTrace && !isStrict) {
+    Error.captureStackTrace(this, arguments.callee);
+  } else {
+    this.stack = (new Error()).stack;
+  }
+}
+AuthTokenExpiredError.prototype = Object.create(Error.prototype);
+
+
+function AuthTokenInvalidError(message) {
+  this.name = 'AuthTokenInvalidError';
+  this.message = message;
+  if (Error.captureStackTrace && !isStrict) {
+    Error.captureStackTrace(this, arguments.callee);
+  } else {
+    this.stack = (new Error()).stack;
+  }
+}
+AuthTokenInvalidError.prototype = Object.create(Error.prototype);
+
+
+function AuthTokenNotBeforeError(message, date) {
+  this.name = 'AuthTokenNotBeforeError';
+  this.message = message;
+  this.date = date;
+  if (Error.captureStackTrace && !isStrict) {
+    Error.captureStackTrace(this, arguments.callee);
+  } else {
+    this.stack = (new Error()).stack;
+  }
+}
+AuthTokenNotBeforeError.prototype = Object.create(Error.prototype);
+
+
+// For any other auth token error.
+function AuthTokenError(message) {
+  this.name = 'AuthTokenError';
+  this.message = message;
+  if (Error.captureStackTrace && !isStrict) {
+    Error.captureStackTrace(this, arguments.callee);
+  } else {
+    this.stack = (new Error()).stack;
+  }
+}
+AuthTokenError.prototype = Object.create(Error.prototype);
+
+
+function SilentMiddlewareBlockedError(message, type) {
+  this.name = 'SilentMiddlewareBlockedError';
+  this.message = message;
+  this.type = type;
+  if (Error.captureStackTrace && !isStrict) {
+    Error.captureStackTrace(this, arguments.callee);
+  } else {
+    this.stack = (new Error()).stack;
+  }
+}
+SilentMiddlewareBlockedError.prototype = Object.create(Error.prototype);
+
+
+function InvalidActionError(message) {
+  this.name = 'InvalidActionError';
+  this.message = message;
+  if (Error.captureStackTrace && !isStrict) {
+    Error.captureStackTrace(this, arguments.callee);
+  } else {
+    this.stack = (new Error()).stack;
+  }
+}
+InvalidActionError.prototype = Object.create(Error.prototype);
+
+function InvalidArgumentsError(message) {
+  this.name = 'InvalidArgumentsError';
+  this.message = message;
+  if (Error.captureStackTrace && !isStrict) {
+    Error.captureStackTrace(this, arguments.callee);
+  } else {
+    this.stack = (new Error()).stack;
+  }
+}
+InvalidArgumentsError.prototype = Object.create(Error.prototype);
+
+function InvalidOptionsError(message) {
+  this.name = 'InvalidOptionsError';
+  this.message = message;
+  if (Error.captureStackTrace && !isStrict) {
+    Error.captureStackTrace(this, arguments.callee);
+  } else {
+    this.stack = (new Error()).stack;
+  }
+}
+InvalidOptionsError.prototype = Object.create(Error.prototype);
+
+
+function InvalidMessageError(message) {
+  this.name = 'InvalidMessageError';
+  this.message = message;
+  if (Error.captureStackTrace && !isStrict) {
+    Error.captureStackTrace(this, arguments.callee);
+  } else {
+    this.stack = (new Error()).stack;
+  }
+}
+InvalidMessageError.prototype = Object.create(Error.prototype);
+
+
+function SocketProtocolError(message, code) {
+  this.name = 'SocketProtocolError';
+  this.message = message;
+  this.code = code;
+  if (Error.captureStackTrace && !isStrict) {
+    Error.captureStackTrace(this, arguments.callee);
+  } else {
+    this.stack = (new Error()).stack;
+  }
+}
+SocketProtocolError.prototype = Object.create(Error.prototype);
+
+
+function ServerProtocolError(message) {
+  this.name = 'ServerProtocolError';
+  this.message = message;
+  if (Error.captureStackTrace && !isStrict) {
+    Error.captureStackTrace(this, arguments.callee);
+  } else {
+    this.stack = (new Error()).stack;
+  }
+}
+ServerProtocolError.prototype = Object.create(Error.prototype);
+
+function HTTPServerError(message) {
+  this.name = 'HTTPServerError';
+  this.message = message;
+  if (Error.captureStackTrace && !isStrict) {
+    Error.captureStackTrace(this, arguments.callee);
+  } else {
+    this.stack = (new Error()).stack;
+  }
+}
+HTTPServerError.prototype = Object.create(Error.prototype);
+
+
+function ResourceLimitError(message) {
+  this.name = 'ResourceLimitError';
+  this.message = message;
+  if (Error.captureStackTrace && !isStrict) {
+    Error.captureStackTrace(this, arguments.callee);
+  } else {
+    this.stack = (new Error()).stack;
+  }
+}
+ResourceLimitError.prototype = Object.create(Error.prototype);
+
+
+function TimeoutError(message) {
+  this.name = 'TimeoutError';
+  this.message = message;
+  if (Error.captureStackTrace && !isStrict) {
+    Error.captureStackTrace(this, arguments.callee);
+  } else {
+    this.stack = (new Error()).stack;
+  }
+}
+TimeoutError.prototype = Object.create(Error.prototype);
+
+
+function BadConnectionError(message, type) {
+  this.name = 'BadConnectionError';
+  this.message = message;
+  this.type = type;
+  if (Error.captureStackTrace && !isStrict) {
+    Error.captureStackTrace(this, arguments.callee);
+  } else {
+    this.stack = (new Error()).stack;
+  }
+}
+BadConnectionError.prototype = Object.create(Error.prototype);
+
+
+function BrokerError(message) {
+  this.name = 'BrokerError';
+  this.message = message;
+  if (Error.captureStackTrace && !isStrict) {
+    Error.captureStackTrace(this, arguments.callee);
+  } else {
+    this.stack = (new Error()).stack;
+  }
+}
+BrokerError.prototype = Object.create(Error.prototype);
+
+
+function ProcessExitError(message, code) {
+  this.name = 'ProcessExitError';
+  this.message = message;
+  this.code = code;
+  if (Error.captureStackTrace && !isStrict) {
+    Error.captureStackTrace(this, arguments.callee);
+  } else {
+    this.stack = (new Error()).stack;
+  }
+}
+ProcessExitError.prototype = Object.create(Error.prototype);
+
+
+function UnknownError(message) {
+  this.name = 'UnknownError';
+  this.message = message;
+  if (Error.captureStackTrace && !isStrict) {
+    Error.captureStackTrace(this, arguments.callee);
+  } else {
+    this.stack = (new Error()).stack;
+  }
+}
+UnknownError.prototype = Object.create(Error.prototype);
+
+
+// Expose all error types.
+
+module.exports = {
+  AuthTokenExpiredError: AuthTokenExpiredError,
+  AuthTokenInvalidError: AuthTokenInvalidError,
+  AuthTokenNotBeforeError: AuthTokenNotBeforeError,
+  AuthTokenError: AuthTokenError,
+  SilentMiddlewareBlockedError: SilentMiddlewareBlockedError,
+  InvalidActionError: InvalidActionError,
+  InvalidArgumentsError: InvalidArgumentsError,
+  InvalidOptionsError: InvalidOptionsError,
+  InvalidMessageError: InvalidMessageError,
+  SocketProtocolError: SocketProtocolError,
+  ServerProtocolError: ServerProtocolError,
+  HTTPServerError: HTTPServerError,
+  ResourceLimitError: ResourceLimitError,
+  TimeoutError: TimeoutError,
+  BadConnectionError: BadConnectionError,
+  BrokerError: BrokerError,
+  ProcessExitError: ProcessExitError,
+  UnknownError: UnknownError
+};
+
+module.exports.socketProtocolErrorStatuses = {
+  1001: 'Socket was disconnected',
+  1002: 'A WebSocket protocol error was encountered',
+  1003: 'Server terminated socket because it received invalid data',
+  1005: 'Socket closed without status code',
+  1006: 'Socket hung up',
+  1007: 'Message format was incorrect',
+  1008: 'Encountered a policy violation',
+  1009: 'Message was too big to process',
+  1010: 'Client ended the connection because the server did not comply with extension requirements',
+  1011: 'Server encountered an unexpected fatal condition',
+  4000: 'Server ping timed out',
+  4001: 'Client pong timed out',
+  4002: 'Server failed to sign auth token',
+  4003: 'Failed to complete handshake',
+  4004: 'Client failed to save auth token',
+  4005: 'Did not receive #handshake from client before timeout',
+  4006: 'Failed to bind socket to message broker',
+  4007: 'Client connection establishment timed out',
+  4008: 'Server rejected handshake from client'
+};
+
+module.exports.socketProtocolIgnoreStatuses = {
+  1000: 'Socket closed normally',
+  1001: 'Socket hung up'
+};
+
+// Properties related to error domains cannot be serialized.
+var unserializableErrorProperties = {
+  domain: 1,
+  domainEmitter: 1,
+  domainThrown: 1
+};
+
+// Convert an error into a JSON-compatible type which can later be hydrated
+// back to its *original* form.
+module.exports.dehydrateError = function dehydrateError(error, includeStackTrace) {
+  var dehydratedError;
+
+  if (error && typeof error == 'object') {
+    dehydratedError = {
+      message: error.message
+    };
+    if (includeStackTrace) {
+      dehydratedError.stack = error.stack;
+    }
+    for (var i in error) {
+      if (!unserializableErrorProperties[i]) {
+        dehydratedError[i] = error[i];
+      }
+    }
+  } else if (typeof error == 'function') {
+    dehydratedError = '[function ' + (error.name || 'anonymous') + ']';
+  } else {
+    dehydratedError = error;
+  }
+
+  return decycle(dehydratedError);
+};
+
+// Convert a dehydrated error back to its *original* form.
+module.exports.hydrateError = function hydrateError(error) {
+  var hydratedError = null;
+  if (error != null) {
+    if (typeof error == 'object') {
+      hydratedError = new Error(error.message);
+      for (var i in error) {
+        if (error.hasOwnProperty(i)) {
+          hydratedError[i] = error[i];
+        }
+      }
+    } else {
+      hydratedError = error;
+    }
+  }
+  return hydratedError;
+};
+
+module.exports.decycle = decycle;
+
+},{"./decycle":20}],22:[function(_dereq_,module,exports){
+(function (global){
+var base64Chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+var validJSONStartRegex = /^[ \n\r\t]*[{\[]/;
+
+var arrayBufferToBase64 = function (arraybuffer) {
+  var bytes = new Uint8Array(arraybuffer);
+  var len = bytes.length;
+  var base64 = '';
+
+  for (var i = 0; i < len; i += 3) {
+    base64 += base64Chars[bytes[i] >> 2];
+    base64 += base64Chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];
+    base64 += base64Chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];
+    base64 += base64Chars[bytes[i + 2] & 63];
+  }
+
+  if ((len % 3) === 2) {
+    base64 = base64.substring(0, base64.length - 1) + '=';
+  } else if (len % 3 === 1) {
+    base64 = base64.substring(0, base64.length - 2) + '==';
+  }
+
+  return base64;
+};
+
+var binaryToBase64Replacer = function (key, value) {
+  if (global.ArrayBuffer && value instanceof global.ArrayBuffer) {
+    return {
+      base64: true,
+      data: arrayBufferToBase64(value)
+    };
+  } else if (global.Buffer) {
+    if (value instanceof global.Buffer){
+      return {
+        base64: true,
+        data: value.toString('base64')
+      };
+    }
+    // Some versions of Node.js convert Buffers to Objects before they are passed to
+    // the replacer function - Because of this, we need to rehydrate Buffers
+    // before we can convert them to base64 strings.
+    if (value && value.type === 'Buffer' && Array.isArray(value.data)) {
+      var rehydratedBuffer;
+      if (global.Buffer.from) {
+        rehydratedBuffer = global.Buffer.from(value.data);
+      } else {
+        rehydratedBuffer = new global.Buffer(value.data);
+      }
+      return {
+        base64: true,
+        data: rehydratedBuffer.toString('base64')
+      };
+    }
+  }
+  return value;
+};
+
+// Decode the data which was transmitted over the wire to a JavaScript Object in a format which SC understands.
+// See encode function below for more details.
+module.exports.decode = function (input) {
+  if (input == null) {
+   return null;
+  }
+  // Leave ping or pong message as is
+  if (input === '#1' || input === '#2') {
+    return input;
+  }
+  var message = input.toString();
+
+  // Performance optimization to detect invalid JSON packet sooner.
+  if (!validJSONStartRegex.test(message)) {
+    return message;
+  }
+
+  try {
+    return JSON.parse(message);
+  } catch (err) {}
+  return message;
+};
+
+// Encode a raw JavaScript object (which is in the SC protocol format) into a format for
+// transfering it over the wire. In this case, we just convert it into a simple JSON string.
+// If you want to create your own custom codec, you can encode the object into any format
+// (e.g. binary ArrayBuffer or string with any kind of compression) so long as your decode
+// function is able to rehydrate that object back into its original JavaScript Object format
+// (which adheres to the SC protocol).
+// See https://github.com/SocketCluster/socketcluster/blob/master/socketcluster-protocol.md
+// for details about the SC protocol.
+module.exports.encode = function (object) {
+  // Leave ping or pong message as is
+  if (object === '#1' || object === '#2') {
+    return object;
+  }
+  return JSON.stringify(object, binaryToBase64Replacer);
+};
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],23:[function(_dereq_,module,exports){
+var v1 = _dereq_('./v1');
+var v4 = _dereq_('./v4');
+
+var uuid = v4;
+uuid.v1 = v1;
+uuid.v4 = v4;
+
+module.exports = uuid;
+
+},{"./v1":26,"./v4":27}],24:[function(_dereq_,module,exports){
+/**
+ * Convert array of 16 byte values to UUID string format of the form:
+ * XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
+ */
+var byteToHex = [];
+for (var i = 0; i < 256; ++i) {
+  byteToHex[i] = (i + 0x100).toString(16).substr(1);
+}
+
+function bytesToUuid(buf, offset) {
+  var i = offset || 0;
+  var bth = byteToHex;
+  return bth[buf[i++]] + bth[buf[i++]] +
+          bth[buf[i++]] + bth[buf[i++]] + '-' +
+          bth[buf[i++]] + bth[buf[i++]] + '-' +
+          bth[buf[i++]] + bth[buf[i++]] + '-' +
+          bth[buf[i++]] + bth[buf[i++]] + '-' +
+          bth[buf[i++]] + bth[buf[i++]] +
+          bth[buf[i++]] + bth[buf[i++]] +
+          bth[buf[i++]] + bth[buf[i++]];
+}
+
+module.exports = bytesToUuid;
+
+},{}],25:[function(_dereq_,module,exports){
+// Unique ID creation requires a high quality random # generator.  In the
+// browser this is a little complicated due to unknown quality of Math.random()
+// and inconsistent support for the `crypto` API.  We do the best we can via
+// feature-detection
+
+// getRandomValues needs to be invoked in a context where "this" is a Crypto implementation.
+var getRandomValues = (typeof(crypto) != 'undefined' && crypto.getRandomValues.bind(crypto)) ||
+                      (typeof(msCrypto) != 'undefined' && msCrypto.getRandomValues.bind(msCrypto));
+if (getRandomValues) {
+  // WHATWG crypto RNG - http://wiki.whatwg.org/wiki/Crypto
+  var rnds8 = new Uint8Array(16); // eslint-disable-line no-undef
+
+  module.exports = function whatwgRNG() {
+    getRandomValues(rnds8);
+    return rnds8;
+  };
+} else {
+  // Math.random()-based (RNG)
+  //
+  // If all else fails, use Math.random().  It's fast, but is of unspecified
+  // quality.
+  var rnds = new Array(16);
+
+  module.exports = function mathRNG() {
+    for (var i = 0, r; i < 16; i++) {
+      if ((i & 0x03) === 0) r = Math.random() * 0x100000000;
+      rnds[i] = r >>> ((i & 0x03) << 3) & 0xff;
+    }
+
+    return rnds;
+  };
+}
+
+},{}],26:[function(_dereq_,module,exports){
+var rng = _dereq_('./lib/rng');
+var bytesToUuid = _dereq_('./lib/bytesToUuid');
+
+// **`v1()` - Generate time-based UUID**
+//
+// Inspired by https://github.com/LiosK/UUID.js
+// and http://docs.python.org/library/uuid.html
+
+var _nodeId;
+var _clockseq;
+
+// Previous uuid creation time
+var _lastMSecs = 0;
+var _lastNSecs = 0;
+
+// See https://github.com/broofa/node-uuid for API details
+function v1(options, buf, offset) {
+  var i = buf && offset || 0;
+  var b = buf || [];
+
+  options = options || {};
+  var node = options.node || _nodeId;
+  var clockseq = options.clockseq !== undefined ? options.clockseq : _clockseq;
+
+  // node and clockseq need to be initialized to random values if they're not
+  // specified.  We do this lazily to minimize issues related to insufficient
+  // system entropy.  See #189
+  if (node == null || clockseq == null) {
+    var seedBytes = rng();
+    if (node == null) {
+      // Per 4.5, create and 48-bit node id, (47 random bits + multicast bit = 1)
+      node = _nodeId = [
+        seedBytes[0] | 0x01,
+        seedBytes[1], seedBytes[2], seedBytes[3], seedBytes[4], seedBytes[5]
+      ];
+    }
+    if (clockseq == null) {
+      // Per 4.2.2, randomize (14 bit) clockseq
+      clockseq = _clockseq = (seedBytes[6] << 8 | seedBytes[7]) & 0x3fff;
+    }
+  }
+
+  // UUID timestamps are 100 nano-second units since the Gregorian epoch,
+  // (1582-10-15 00:00).  JSNumbers aren't precise enough for this, so
+  // time is handled internally as 'msecs' (integer milliseconds) and 'nsecs'
+  // (100-nanoseconds offset from msecs) since unix epoch, 1970-01-01 00:00.
+  var msecs = options.msecs !== undefined ? options.msecs : new Date().getTime();
+
+  // Per 4.2.1.2, use count of uuid's generated during the current clock
+  // cycle to simulate higher resolution clock
+  var nsecs = options.nsecs !== undefined ? options.nsecs : _lastNSecs + 1;
+
+  // Time since last uuid creation (in msecs)
+  var dt = (msecs - _lastMSecs) + (nsecs - _lastNSecs)/10000;
+
+  // Per 4.2.1.2, Bump clockseq on clock regression
+  if (dt < 0 && options.clockseq === undefined) {
+    clockseq = clockseq + 1 & 0x3fff;
+  }
+
+  // Reset nsecs if clock regresses (new clockseq) or we've moved onto a new
+  // time interval
+  if ((dt < 0 || msecs > _lastMSecs) && options.nsecs === undefined) {
+    nsecs = 0;
+  }
+
+  // Per 4.2.1.2 Throw error if too many uuids are requested
+  if (nsecs >= 10000) {
+    throw new Error('uuid.v1(): Can\'t create more than 10M uuids/sec');
+  }
+
+  _lastMSecs = msecs;
+  _lastNSecs = nsecs;
+  _clockseq = clockseq;
+
+  // Per 4.1.4 - Convert from unix epoch to Gregorian epoch
+  msecs += 12219292800000;
+
+  // `time_low`
+  var tl = ((msecs & 0xfffffff) * 10000 + nsecs) % 0x100000000;
+  b[i++] = tl >>> 24 & 0xff;
+  b[i++] = tl >>> 16 & 0xff;
+  b[i++] = tl >>> 8 & 0xff;
+  b[i++] = tl & 0xff;
+
+  // `time_mid`
+  var tmh = (msecs / 0x100000000 * 10000) & 0xfffffff;
+  b[i++] = tmh >>> 8 & 0xff;
+  b[i++] = tmh & 0xff;
+
+  // `time_high_and_version`
+  b[i++] = tmh >>> 24 & 0xf | 0x10; // include version
+  b[i++] = tmh >>> 16 & 0xff;
+
+  // `clock_seq_hi_and_reserved` (Per 4.2.2 - include variant)
+  b[i++] = clockseq >>> 8 | 0x80;
+
+  // `clock_seq_low`
+  b[i++] = clockseq & 0xff;
+
+  // `node`
+  for (var n = 0; n < 6; ++n) {
+    b[i + n] = node[n];
+  }
+
+  return buf ? buf : bytesToUuid(b);
+}
+
+module.exports = v1;
+
+},{"./lib/bytesToUuid":24,"./lib/rng":25}],27:[function(_dereq_,module,exports){
+var rng = _dereq_('./lib/rng');
+var bytesToUuid = _dereq_('./lib/bytesToUuid');
+
+function v4(options, buf, offset) {
+  var i = buf && offset || 0;
+
+  if (typeof(options) == 'string') {
+    buf = options === 'binary' ? new Array(16) : null;
+    options = null;
+  }
+  options = options || {};
+
+  var rnds = options.random || (options.rng || rng)();
+
+  // Per 4.4, set bits for version and `clock_seq_hi_and_reserved`
+  rnds[6] = (rnds[6] & 0x0f) | 0x40;
+  rnds[8] = (rnds[8] & 0x3f) | 0x80;
+
+  // Copy bytes to buffer, if provided
+  if (buf) {
+    for (var ii = 0; ii < 16; ++ii) {
+      buf[i + ii] = rnds[ii];
+    }
+  }
+
+  return buf || bytesToUuid(rnds);
+}
+
+module.exports = v4;
+
+},{"./lib/bytesToUuid":24,"./lib/rng":25}]},{},[1])(1)
+});
diff --git a/socketcluster/server.js b/socketcluster/server.js
new file mode 100644
index 0000000..194d5f3
--- /dev/null
+++ b/socketcluster/server.js
@@ -0,0 +1,106 @@
+/*
+  This is the SocketCluster master controller file.
+  It is responsible for bootstrapping the SocketCluster master process.
+  Be careful when modifying the options object below.
+  If you plan to run SCC on Kubernetes or another orchestrator at some point
+  in the future, avoid changing the environment variable names below as
+  each one has a specific meaning within the SC ecosystem.
+*/
+
+var path = require('path');
+var argv = require('minimist')(process.argv.slice(2));
+var scHotReboot = require('sc-hot-reboot');
+
+var fsUtil = require('socketcluster/fsutil');
+var waitForFile = fsUtil.waitForFile;
+
+var SocketCluster = require('socketcluster');
+
+var workerControllerPath = argv.wc || process.env.SOCKETCLUSTER_WORKER_CONTROLLER;
+var brokerControllerPath = argv.bc || process.env.SOCKETCLUSTER_BROKER_CONTROLLER;
+var workerClusterControllerPath = argv.wcc || process.env.SOCKETCLUSTER_WORKERCLUSTER_CONTROLLER;
+var environment = process.env.ENV || 'dev';
+
+var options = {
+  workers: Number(argv.w) || Number(process.env.SOCKETCLUSTER_WORKERS) || 1,
+  brokers: Number(argv.b) || Number(process.env.SOCKETCLUSTER_BROKERS) || 1,
+  port: Number(argv.p) || Number(process.env.SOCKETCLUSTER_PORT) || 8000,
+  // You can switch to 'sc-uws' for improved performance.
+  wsEngine: process.env.SOCKETCLUSTER_WS_ENGINE || 'ws',
+  appName: argv.n || process.env.SOCKETCLUSTER_APP_NAME || null,
+  workerController: workerControllerPath || path.join(__dirname, 'worker.js'),
+  brokerController: brokerControllerPath || path.join(__dirname, 'broker.js'),
+  workerClusterController: workerClusterControllerPath || null,
+  socketChannelLimit: Number(process.env.SOCKETCLUSTER_SOCKET_CHANNEL_LIMIT) || 1000,
+  clusterStateServerHost: argv.cssh || process.env.SCC_STATE_SERVER_HOST || null,
+  clusterStateServerPort: process.env.SCC_STATE_SERVER_PORT || null,
+  clusterMappingEngine: process.env.SCC_MAPPING_ENGINE || null,
+  clusterClientPoolSize: process.env.SCC_CLIENT_POOL_SIZE || null,
+  clusterAuthKey: process.env.SCC_AUTH_KEY || null,
+  clusterInstanceIp: process.env.SCC_INSTANCE_IP || null,
+  clusterInstanceIpFamily: process.env.SCC_INSTANCE_IP_FAMILY || null,
+  clusterStateServerConnectTimeout: Number(process.env.SCC_STATE_SERVER_CONNECT_TIMEOUT) || null,
+  clusterStateServerAckTimeout: Number(process.env.SCC_STATE_SERVER_ACK_TIMEOUT) || null,
+  clusterStateServerReconnectRandomness: Number(process.env.SCC_STATE_SERVER_RECONNECT_RANDOMNESS) || null,
+  crashWorkerOnError: argv['auto-reboot'] != false,
+  // If using nodemon, set this to true, and make sure that environment is 'dev'.
+  killMasterOnSignal: false,
+  environment: environment
+};
+
+var bootTimeout = Number(process.env.SOCKETCLUSTER_CONTROLLER_BOOT_TIMEOUT) || 10000;
+var SOCKETCLUSTER_OPTIONS;
+
+if (process.env.SOCKETCLUSTER_OPTIONS) {
+  SOCKETCLUSTER_OPTIONS = JSON.parse(process.env.SOCKETCLUSTER_OPTIONS);
+}
+
+for (var i in SOCKETCLUSTER_OPTIONS) {
+  if (SOCKETCLUSTER_OPTIONS.hasOwnProperty(i)) {
+    options[i] = SOCKETCLUSTER_OPTIONS[i];
+  }
+}
+
+var start = function () {
+  var socketCluster = new SocketCluster(options);
+
+  socketCluster.on(socketCluster.EVENT_WORKER_CLUSTER_START, function (workerClusterInfo) {
+    console.log('   >> WorkerCluster PID:', workerClusterInfo.pid);
+  });
+
+  if (socketCluster.options.environment === 'dev') {
+    // This will cause SC workers to reboot when code changes anywhere in the app directory.
+    // The second options argument here is passed directly to chokidar.
+    // See https://github.com/paulmillr/chokidar#api for details.
+    console.log(`   !! The sc-hot-reboot plugin is watching for code changes in the ${__dirname} directory`);
+    scHotReboot.attach(socketCluster, {
+      cwd: __dirname,
+      ignored: ['public', 'node_modules', 'README.md', 'Dockerfile', 'server.js', 'broker.js', /[\/\\]\./, '*.log']
+    });
+  }
+};
+
+var bootCheckInterval = Number(process.env.SOCKETCLUSTER_BOOT_CHECK_INTERVAL) || 200;
+var bootStartTime = Date.now();
+
+// Detect when Docker volumes are ready.
+var startWhenFileIsReady = (filePath) => {
+  var errorMessage = `Failed to locate a controller file at path ${filePath} ` +
+  `before SOCKETCLUSTER_CONTROLLER_BOOT_TIMEOUT`;
+
+  return waitForFile(filePath, bootCheckInterval, bootStartTime, bootTimeout, errorMessage);
+};
+
+var filesReadyPromises = [
+  startWhenFileIsReady(workerControllerPath),
+  startWhenFileIsReady(brokerControllerPath),
+  startWhenFileIsReady(workerClusterControllerPath)
+];
+Promise.all(filesReadyPromises)
+.then(() => {
+  start();
+})
+.catch((err) => {
+  console.error(err.stack);
+  process.exit(1);
+});
diff --git a/socketcluster/worker.js b/socketcluster/worker.js
new file mode 100644
index 0000000..05868de
--- /dev/null
+++ b/socketcluster/worker.js
@@ -0,0 +1,43 @@
+var SCWorker = require('socketcluster/scworker');
+var express = require('express');
+var serveStatic = require('serve-static');
+var path = require('path');
+var morgan = require('morgan');
+var healthChecker = require('sc-framework-health-check');
+
+class Worker extends SCWorker {
+  run() {
+    console.log('   >> Worker PID:', process.pid);
+    var environment = this.options.environment;
+
+    var app = express();
+
+    var httpServer = this.httpServer;
+    var scServer = this.scServer;
+
+    if (environment === 'dev') {
+      // Log every HTTP request. See https://github.com/expressjs/morgan for other
+      // available formats.
+      app.use(morgan('dev'));
+    }
+    app.use(serveStatic(path.resolve(__dirname, 'public')));
+
+    // Add GET /health-check express route
+    healthChecker.attach(this, app);
+
+    httpServer.on('request', app);
+
+    scServer.on('connection', function (socket) {
+      socket.on('publish', function (message) {
+        var {channel, data} = message
+        console.log('Handled publish', channel, data);
+        scServer.exchange.publish(channel, data);
+      });
+
+      socket.on('disconnect', function () {
+      });
+    });
+  }
+}
+
+new Worker();
diff --git a/test/identity-provider.test.js b/test/github-identity-provider.test.js
similarity index 86%
rename from test/identity-provider.test.js
rename to test/github-identity-provider.test.js
index 7f4b87c..69d0f6a 100644
--- a/test/identity-provider.test.js
+++ b/test/github-identity-provider.test.js
@@ -1,8 +1,8 @@
 const assert = require('assert')
 const {RequestError, StatusCodeError} = require('request-promise-core/lib/errors')
-const IdentityProvider = require('../lib/identity-provider')
+const GithubIdentityProvider = require('../lib/github-identity-provider')
 
-suite('IdentityProvider', () => {
+suite('GithubIdentityProvider', () => {
   test('returns user associated with OAuth token', async () => {
     const request = {
       get: async function (url, {headers}) {
@@ -19,7 +19,7 @@ suite('IdentityProvider', () => {
       }
     }
 
-    const provider = new IdentityProvider({request})
+    const provider = new GithubIdentityProvider({request})
 
     const user1 = await provider.identityForToken('user-1-token')
     assert.deepEqual(user1, {id: '1', login: 'user-1'})
@@ -36,7 +36,7 @@ suite('IdentityProvider', () => {
       }
     }
 
-    const provider = new IdentityProvider({request})
+    const provider = new GithubIdentityProvider({request})
 
     let error = null
     try {
@@ -56,7 +56,7 @@ suite('IdentityProvider', () => {
       }
     }
 
-    const provider = new IdentityProvider({request})
+    const provider = new GithubIdentityProvider({request})
 
     let error = null
     try {
@@ -75,7 +75,7 @@ suite('IdentityProvider', () => {
       }
     }
 
-    const provider = new IdentityProvider({request})
+    const provider = new GithubIdentityProvider({request})
 
     let error = null
     try {