diff --git a/composer.json b/composer.json
index 8054a8a..04df85c 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
 		}
 	},
 	"require": {
-	  "php": ">=5.6.0",
+	  "php": ">=7.0",
 	  "firebase/php-jwt": "^4.0"
 	},
 	"require-dev": {
diff --git a/composer.lock b/composer.lock
index 2e7fb4d..23e8b47 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,11 +1,10 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "hash": "26dfd69c9f0098746b2152db6560e613",
-    "content-hash": "7df4f272f22e9eb85b0faac10c51deec",
+    "content-hash": "db7743cefc84643935872d8370308342",
     "packages": [
         {
             "name": "firebase/php-jwt",
@@ -48,22 +47,22 @@
             ],
             "description": "A simple library to encode and decode JSON Web Tokens (JWT) in PHP. Should conform to the current spec.",
             "homepage": "https://github.com/firebase/php-jwt",
-            "time": "2016-07-18 04:51:16"
+            "time": "2016-07-18T04:51:16+00:00"
         }
     ],
     "packages-dev": [
         {
             "name": "behat/gherkin",
-            "version": "v4.4.5",
+            "version": "v4.5.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/Behat/Gherkin.git",
-                "reference": "5c14cff4f955b17d20d088dec1bde61c0539ec74"
+                "reference": "74ac03d52c5e23ad8abd5c5cce4ab0e8dc1b530a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Behat/Gherkin/zipball/5c14cff4f955b17d20d088dec1bde61c0539ec74",
-                "reference": "5c14cff4f955b17d20d088dec1bde61c0539ec74",
+                "url": "https://api.github.com/repos/Behat/Gherkin/zipball/74ac03d52c5e23ad8abd5c5cce4ab0e8dc1b530a",
+                "reference": "74ac03d52c5e23ad8abd5c5cce4ab0e8dc1b530a",
                 "shasum": ""
             },
             "require": {
@@ -109,63 +108,63 @@
                 "gherkin",
                 "parser"
             ],
-            "time": "2016-10-30 11:50:56"
+            "time": "2017-08-30T11:04:43+00:00"
         },
         {
             "name": "codeception/codeception",
-            "version": "2.2.8",
+            "version": "2.5.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/Codeception/Codeception.git",
-                "reference": "0a87d4b19070a24636125993450a9d3f698a6663"
+                "reference": "dee493561daf644134c95cf176fd2c25aff59ea9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Codeception/Codeception/zipball/0a87d4b19070a24636125993450a9d3f698a6663",
-                "reference": "0a87d4b19070a24636125993450a9d3f698a6663",
+                "url": "https://api.github.com/repos/Codeception/Codeception/zipball/dee493561daf644134c95cf176fd2c25aff59ea9",
+                "reference": "dee493561daf644134c95cf176fd2c25aff59ea9",
                 "shasum": ""
             },
             "require": {
-                "behat/gherkin": "~4.4.0",
+                "behat/gherkin": "^4.4.0",
+                "codeception/phpunit-wrapper": "^6.0.9|^7.0.6",
+                "codeception/stub": "^2.0",
+                "ext-curl": "*",
                 "ext-json": "*",
                 "ext-mbstring": "*",
-                "facebook/webdriver": ">=1.0.1 <2.0",
+                "facebook/webdriver": ">=1.1.3 <2.0",
                 "guzzlehttp/guzzle": ">=4.1.4 <7.0",
                 "guzzlehttp/psr7": "~1.0",
-                "php": ">=5.4.0 <8.0",
-                "phpunit/php-code-coverage": ">=2.1.3 <5.0",
-                "phpunit/phpunit": ">4.8.20 <6.0",
-                "sebastian/comparator": "~1.1",
-                "sebastian/diff": "^1.4",
-                "symfony/browser-kit": ">=2.7 <4.0",
-                "symfony/console": ">=2.7 <4.0",
-                "symfony/css-selector": ">=2.7 <4.0",
-                "symfony/dom-crawler": ">=2.7.5 <4.0",
-                "symfony/event-dispatcher": ">=2.7 <4.0",
-                "symfony/finder": ">=2.7 <4.0",
-                "symfony/yaml": ">=2.7 <4.0"
+                "php": ">=5.6.0 <8.0",
+                "symfony/browser-kit": ">=2.7 <5.0",
+                "symfony/console": ">=2.7 <5.0",
+                "symfony/css-selector": ">=2.7 <5.0",
+                "symfony/dom-crawler": ">=2.7 <5.0",
+                "symfony/event-dispatcher": ">=2.7 <5.0",
+                "symfony/finder": ">=2.7 <5.0",
+                "symfony/yaml": ">=2.7 <5.0"
             },
             "require-dev": {
                 "codeception/specify": "~0.3",
                 "facebook/graph-sdk": "~5.3",
                 "flow/jsonpath": "~0.2",
-                "league/factory-muffin": "^3.0",
-                "league/factory-muffin-faker": "^1.0",
-                "mongodb/mongodb": "^1.0",
                 "monolog/monolog": "~1.8",
                 "pda/pheanstalk": "~3.0",
                 "php-amqplib/php-amqplib": "~2.4",
                 "predis/predis": "^1.0",
                 "squizlabs/php_codesniffer": "~2.0",
+                "symfony/process": ">=2.7 <5.0",
                 "vlucas/phpdotenv": "^2.4.0"
             },
             "suggest": {
+                "aws/aws-sdk-php": "For using AWS Auth in REST module and Queue module",
+                "codeception/phpbuiltinserver": "Start and stop PHP built-in web server for your tests",
                 "codeception/specify": "BDD-style code blocks",
                 "codeception/verify": "BDD-style assertions",
                 "flow/jsonpath": "For using JSONPath in REST module",
                 "league/factory-muffin": "For DataFactory module",
                 "league/factory-muffin-faker": "For Faker support in DataFactory module",
                 "phpseclib/phpseclib": "for SFTP option in FTP Module",
+                "stecman/symfony-console-completion": "For BASH autocompletion",
                 "symfony/phpunit-bridge": "For phpunit-bridge support"
             },
             "bin": [
@@ -177,7 +176,7 @@
             },
             "autoload": {
                 "psr-4": {
-                    "Codeception\\": "src\\Codeception",
+                    "Codeception\\": "src/Codeception",
                     "Codeception\\Extension\\": "ext"
                 }
             },
@@ -201,36 +200,109 @@
                 "functional testing",
                 "unit testing"
             ],
-            "time": "2017-01-20 00:54:15"
+            "time": "2018-09-24T09:33:01+00:00"
+        },
+        {
+            "name": "codeception/phpunit-wrapper",
+            "version": "7.3.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/Codeception/phpunit-wrapper.git",
+                "reference": "1967be130082effb3c30510cf8f8397fbd9d8b84"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/Codeception/phpunit-wrapper/zipball/1967be130082effb3c30510cf8f8397fbd9d8b84",
+                "reference": "1967be130082effb3c30510cf8f8397fbd9d8b84",
+                "shasum": ""
+            },
+            "require": {
+                "phpunit/php-code-coverage": "^6.0",
+                "phpunit/phpunit": "~7.1.0|~7.2.0|~7.3.0",
+                "sebastian/comparator": "^3.0",
+                "sebastian/diff": "^3.0"
+            },
+            "require-dev": {
+                "codeception/specify": "*",
+                "vlucas/phpdotenv": "^2.4"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Codeception\\PHPUnit\\": "src\\"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Davert",
+                    "email": "davert.php@resend.cc"
+                }
+            ],
+            "description": "PHPUnit classes used by Codeception",
+            "time": "2018-09-28T15:36:26+00:00"
+        },
+        {
+            "name": "codeception/stub",
+            "version": "2.0.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/Codeception/Stub.git",
+                "reference": "f50bc271f392a2836ff80690ce0c058efe1ae03e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/Codeception/Stub/zipball/f50bc271f392a2836ff80690ce0c058efe1ae03e",
+                "reference": "f50bc271f392a2836ff80690ce0c058efe1ae03e",
+                "shasum": ""
+            },
+            "require": {
+                "phpunit/phpunit": ">=4.8 <8.0"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Codeception\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "Flexible Stub wrapper for PHPUnit's Mock Builder",
+            "time": "2018-07-26T11:55:37+00:00"
         },
         {
             "name": "doctrine/instantiator",
-            "version": "1.0.5",
+            "version": "1.1.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/instantiator.git",
-                "reference": "8e884e78f9f0eb1329e445619e04456e64d8051d"
+                "reference": "185b8868aa9bf7159f5f953ed5afb2d7fcdc3bda"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/8e884e78f9f0eb1329e445619e04456e64d8051d",
-                "reference": "8e884e78f9f0eb1329e445619e04456e64d8051d",
+                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/185b8868aa9bf7159f5f953ed5afb2d7fcdc3bda",
+                "reference": "185b8868aa9bf7159f5f953ed5afb2d7fcdc3bda",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3,<8.0-DEV"
+                "php": "^7.1"
             },
             "require-dev": {
                 "athletic/athletic": "~0.1.8",
                 "ext-pdo": "*",
                 "ext-phar": "*",
-                "phpunit/phpunit": "~4.0",
-                "squizlabs/php_codesniffer": "~2.0"
+                "phpunit/phpunit": "^6.2.3",
+                "squizlabs/php_codesniffer": "^3.0.2"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.0.x-dev"
+                    "dev-master": "1.2.x-dev"
                 }
             },
             "autoload": {
@@ -255,38 +327,49 @@
                 "constructor",
                 "instantiate"
             ],
-            "time": "2015-06-14 21:17:01"
+            "time": "2017-07-22T11:58:36+00:00"
         },
         {
             "name": "facebook/webdriver",
-            "version": "1.3.0",
+            "version": "1.6.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/facebook/php-webdriver.git",
-                "reference": "77300c4ab2025d4316635f592ec849ca7323bd8c"
+                "reference": "bd8c740097eb9f2fc3735250fc1912bc811a954e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/facebook/php-webdriver/zipball/77300c4ab2025d4316635f592ec849ca7323bd8c",
-                "reference": "77300c4ab2025d4316635f592ec849ca7323bd8c",
+                "url": "https://api.github.com/repos/facebook/php-webdriver/zipball/bd8c740097eb9f2fc3735250fc1912bc811a954e",
+                "reference": "bd8c740097eb9f2fc3735250fc1912bc811a954e",
                 "shasum": ""
             },
             "require": {
                 "ext-curl": "*",
-                "php": "^5.5 || ~7.0",
-                "symfony/process": "^2.8 || ^3.1"
+                "ext-json": "*",
+                "ext-mbstring": "*",
+                "ext-zip": "*",
+                "php": "^5.6 || ~7.0",
+                "symfony/process": "^2.8 || ^3.1 || ^4.0"
             },
             "require-dev": {
-                "friendsofphp/php-cs-fixer": "^1.11",
+                "friendsofphp/php-cs-fixer": "^2.0",
+                "jakub-onderka/php-parallel-lint": "^0.9.2",
+                "php-coveralls/php-coveralls": "^2.0",
                 "php-mock/php-mock-phpunit": "^1.1",
-                "phpunit/phpunit": "4.6.* || ~5.0",
-                "satooshi/php-coveralls": "^1.0",
-                "squizlabs/php_codesniffer": "^2.6"
+                "phpunit/phpunit": "^5.7",
+                "sebastian/environment": "^1.3.4 || ^2.0 || ^3.0",
+                "squizlabs/php_codesniffer": "^2.6",
+                "symfony/var-dumper": "^3.3 || ^4.0"
             },
             "suggest": {
-                "phpdocumentor/phpdocumentor": "2.*"
+                "ext-SimpleXML": "For Firefox profile creation"
             },
             "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-community": "1.5-dev"
+                }
+            },
             "autoload": {
                 "psr-4": {
                     "Facebook\\WebDriver\\": "lib/"
@@ -296,7 +379,7 @@
             "license": [
                 "Apache-2.0"
             ],
-            "description": "A PHP client for WebDriver",
+            "description": "A PHP client for Selenium WebDriver",
             "homepage": "https://github.com/facebook/php-webdriver",
             "keywords": [
                 "facebook",
@@ -304,7 +387,7 @@
                 "selenium",
                 "webdriver"
             ],
-            "time": "2017-01-13 15:48:08"
+            "time": "2018-05-16T17:37:13+00:00"
         },
         {
             "name": "gentle/bitbucket-api",
@@ -358,36 +441,39 @@
                 "api",
                 "bitbucket"
             ],
-            "time": "2015-11-07 13:31:32"
+            "time": "2015-11-07T13:31:32+00:00"
         },
         {
             "name": "guzzlehttp/guzzle",
-            "version": "6.2.2",
+            "version": "6.3.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/guzzle.git",
-                "reference": "ebf29dee597f02f09f4d5bbecc68230ea9b08f60"
+                "reference": "407b0cb880ace85c9b63c5f9551db498cb2d50ba"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/ebf29dee597f02f09f4d5bbecc68230ea9b08f60",
-                "reference": "ebf29dee597f02f09f4d5bbecc68230ea9b08f60",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/407b0cb880ace85c9b63c5f9551db498cb2d50ba",
+                "reference": "407b0cb880ace85c9b63c5f9551db498cb2d50ba",
                 "shasum": ""
             },
             "require": {
                 "guzzlehttp/promises": "^1.0",
-                "guzzlehttp/psr7": "^1.3.1",
+                "guzzlehttp/psr7": "^1.4",
                 "php": ">=5.5"
             },
             "require-dev": {
                 "ext-curl": "*",
-                "phpunit/phpunit": "^4.0",
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.4 || ^7.0",
                 "psr/log": "^1.0"
             },
+            "suggest": {
+                "psr/log": "Required for using the Log middleware"
+            },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "6.2-dev"
+                    "dev-master": "6.3-dev"
                 }
             },
             "autoload": {
@@ -420,7 +506,7 @@
                 "rest",
                 "web service"
             ],
-            "time": "2016-10-08 15:01:37"
+            "time": "2018-04-22T15:46:56+00:00"
         },
         {
             "name": "guzzlehttp/promises",
@@ -471,20 +557,20 @@
             "keywords": [
                 "promise"
             ],
-            "time": "2016-12-20 10:07:11"
+            "time": "2016-12-20T10:07:11+00:00"
         },
         {
             "name": "guzzlehttp/psr7",
-            "version": "1.3.1",
+            "version": "1.4.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/psr7.git",
-                "reference": "5c6447c9df362e8f8093bda8f5d8873fe5c7f65b"
+                "reference": "f5b8a8512e2b58b0071a7280e39f14f72e05d87c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/psr7/zipball/5c6447c9df362e8f8093bda8f5d8873fe5c7f65b",
-                "reference": "5c6447c9df362e8f8093bda8f5d8873fe5c7f65b",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/f5b8a8512e2b58b0071a7280e39f14f72e05d87c",
+                "reference": "f5b8a8512e2b58b0071a7280e39f14f72e05d87c",
                 "shasum": ""
             },
             "require": {
@@ -520,16 +606,23 @@
                     "name": "Michael Dowling",
                     "email": "mtdowling@gmail.com",
                     "homepage": "https://github.com/mtdowling"
+                },
+                {
+                    "name": "Tobias Schultze",
+                    "homepage": "https://github.com/Tobion"
                 }
             ],
-            "description": "PSR-7 message implementation",
+            "description": "PSR-7 message implementation that also provides common utility methods",
             "keywords": [
                 "http",
                 "message",
+                "request",
+                "response",
                 "stream",
-                "uri"
+                "uri",
+                "url"
             ],
-            "time": "2016-06-24 23:00:38"
+            "time": "2017-03-20T17:10:46+00:00"
         },
         {
             "name": "jacobkiers/oauth",
@@ -588,35 +681,51 @@
             "keywords": [
                 "oauth"
             ],
-            "time": "2015-10-02 13:50:51"
+            "time": "2015-10-02T13:50:51+00:00"
         },
         {
             "name": "kriswallsmith/buzz",
-            "version": "v0.15",
+            "version": "0.17.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/kriswallsmith/Buzz.git",
-                "reference": "d4041666c3ffb379af02a92dabe81c904b35fab8"
+                "reference": "0d7e985003f074fca0ceb00bf2f650d749ae9710"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/kriswallsmith/Buzz/zipball/d4041666c3ffb379af02a92dabe81c904b35fab8",
-                "reference": "d4041666c3ffb379af02a92dabe81c904b35fab8",
+                "url": "https://api.github.com/repos/kriswallsmith/Buzz/zipball/0d7e985003f074fca0ceb00bf2f650d749ae9710",
+                "reference": "0d7e985003f074fca0ceb00bf2f650d749ae9710",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.0"
+                "nyholm/psr7": "^1.0",
+                "php": "^7.1",
+                "php-http/httplug": "^1.1",
+                "psr/http-client": "^0.1",
+                "psr/http-factory": "^1.0",
+                "psr/http-message": "^1.0",
+                "symfony/options-resolver": "^3.4 || ^4.0"
+            },
+            "conflict": {
+                "http-interop/http-factory": "<0.4.1"
+            },
+            "provide": {
+                "php-http/client-implementation": "1.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "3.7.*"
+                "friendsofphp/php-cs-fixer": "^2.11",
+                "php-http/client-integration-tests": "^0.6.2",
+                "phpunit/phpunit": "^6.5.7",
+                "psr/log": "^1.0",
+                "symfony/phpunit-bridge": "^4.0"
             },
             "suggest": {
                 "ext-curl": "*"
             },
             "type": "library",
             "autoload": {
-                "psr-0": {
-                    "Buzz": "lib/"
+                "psr-4": {
+                    "Buzz\\": "lib"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -628,6 +737,11 @@
                     "name": "Kris Wallsmith",
                     "email": "kris.wallsmith@gmail.com",
                     "homepage": "http://kriswallsmith.net/"
+                },
+                {
+                    "name": "Tobias Nyholm",
+                    "email": "tobias.nyholm@gmail.com",
+                    "homepage": "http://tnyholm.se/"
                 }
             ],
             "description": "Lightweight HTTP client",
@@ -636,41 +750,47 @@
                 "curl",
                 "http client"
             ],
-            "time": "2015-06-25 17:26:56"
+            "time": "2018-09-05T17:20:52+00:00"
         },
         {
             "name": "myclabs/deep-copy",
-            "version": "1.6.0",
+            "version": "1.8.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/myclabs/DeepCopy.git",
-                "reference": "5a5a9fc8025a08d8919be87d6884d5a92520cefe"
+                "reference": "3e01bdad3e18354c3dce54466b7fbe33a9f9f7f8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/5a5a9fc8025a08d8919be87d6884d5a92520cefe",
-                "reference": "5a5a9fc8025a08d8919be87d6884d5a92520cefe",
+                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/3e01bdad3e18354c3dce54466b7fbe33a9f9f7f8",
+                "reference": "3e01bdad3e18354c3dce54466b7fbe33a9f9f7f8",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.4.0"
+                "php": "^7.1"
+            },
+            "replace": {
+                "myclabs/deep-copy": "self.version"
             },
             "require-dev": {
-                "doctrine/collections": "1.*",
-                "phpunit/phpunit": "~4.1"
+                "doctrine/collections": "^1.0",
+                "doctrine/common": "^2.6",
+                "phpunit/phpunit": "^7.1"
             },
             "type": "library",
             "autoload": {
                 "psr-4": {
                     "DeepCopy\\": "src/DeepCopy/"
-                }
+                },
+                "files": [
+                    "src/DeepCopy/deep_copy.php"
+                ]
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
                 "MIT"
             ],
             "description": "Create deep copies (clones) of your objects",
-            "homepage": "https://github.com/myclabs/DeepCopy",
             "keywords": [
                 "clone",
                 "copy",
@@ -678,7 +798,7 @@
                 "object",
                 "object graph"
             ],
-            "time": "2017-01-26 22:05:40"
+            "time": "2018-06-11T23:09:50+00:00"
         },
         {
             "name": "nikic/php-parser",
@@ -723,30 +843,92 @@
                 "parser",
                 "php"
             ],
-            "time": "2015-05-02 15:40:40"
+            "time": "2015-05-02T15:40:40+00:00"
+        },
+        {
+            "name": "nyholm/psr7",
+            "version": "1.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/Nyholm/psr7.git",
+                "reference": "02a20d5e9241daefd68935f7a43d9a7a8b4b6277"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/Nyholm/psr7/zipball/02a20d5e9241daefd68935f7a43d9a7a8b4b6277",
+                "reference": "02a20d5e9241daefd68935f7a43d9a7a8b4b6277",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1",
+                "php-http/message-factory": "^1.0",
+                "psr/http-factory": "^1.0",
+                "psr/http-message": "^1.0"
+            },
+            "provide": {
+                "psr/http-factory-implementation": "1.0",
+                "psr/http-message-implementation": "1.0"
+            },
+            "require-dev": {
+                "http-interop/http-factory-tests": "dev-master",
+                "php-http/psr7-integration-tests": "dev-master",
+                "phpunit/phpunit": "^7.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Nyholm\\Psr7\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Tobias Nyholm",
+                    "email": "tobias.nyholm@gmail.com"
+                },
+                {
+                    "name": "Martijn van der Ven",
+                    "email": "martijn@vanderven.se"
+                }
+            ],
+            "description": "A fast PHP7 implementation of PSR-7",
+            "homepage": "http://tnyholm.se",
+            "keywords": [
+                "psr-17",
+                "psr-7"
+            ],
+            "time": "2018-09-02T11:50:33+00:00"
         },
         {
             "name": "pdepend/pdepend",
-            "version": "2.5.0",
+            "version": "2.5.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/pdepend/pdepend.git",
-                "reference": "0c50874333149c0dad5a2877801aed148f2767ff"
+                "reference": "9daf26d0368d4a12bed1cacae1a9f3a6f0adf239"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/pdepend/pdepend/zipball/0c50874333149c0dad5a2877801aed148f2767ff",
-                "reference": "0c50874333149c0dad5a2877801aed148f2767ff",
+                "url": "https://api.github.com/repos/pdepend/pdepend/zipball/9daf26d0368d4a12bed1cacae1a9f3a6f0adf239",
+                "reference": "9daf26d0368d4a12bed1cacae1a9f3a6f0adf239",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.7",
-                "symfony/config": "^2.3.0|^3",
-                "symfony/dependency-injection": "^2.3.0|^3",
-                "symfony/filesystem": "^2.3.0|^3"
+                "symfony/config": "^2.3.0|^3|^4",
+                "symfony/dependency-injection": "^2.3.0|^3|^4",
+                "symfony/filesystem": "^2.3.0|^3|^4"
             },
             "require-dev": {
-                "phpunit/phpunit": "^4.4.0,<4.8",
+                "phpunit/phpunit": "^4.8|^5.7",
                 "squizlabs/php_codesniffer": "^2.0.0"
             },
             "bin": [
@@ -763,20 +945,278 @@
                 "BSD-3-Clause"
             ],
             "description": "Official version of pdepend to be handled with Composer",
-            "time": "2017-01-19 14:23:36"
+            "time": "2017-12-13T13:21:38+00:00"
+        },
+        {
+            "name": "phar-io/manifest",
+            "version": "1.0.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phar-io/manifest.git",
+                "reference": "7761fcacf03b4d4f16e7ccb606d4879ca431fcf4"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phar-io/manifest/zipball/7761fcacf03b4d4f16e7ccb606d4879ca431fcf4",
+                "reference": "7761fcacf03b4d4f16e7ccb606d4879ca431fcf4",
+                "shasum": ""
+            },
+            "require": {
+                "ext-dom": "*",
+                "ext-phar": "*",
+                "phar-io/version": "^2.0",
+                "php": "^5.6 || ^7.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Arne Blankerts",
+                    "email": "arne@blankerts.de",
+                    "role": "Developer"
+                },
+                {
+                    "name": "Sebastian Heuer",
+                    "email": "sebastian@phpeople.de",
+                    "role": "Developer"
+                },
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "Developer"
+                }
+            ],
+            "description": "Component for reading phar.io manifest information from a PHP Archive (PHAR)",
+            "time": "2018-07-08T19:23:20+00:00"
+        },
+        {
+            "name": "phar-io/version",
+            "version": "2.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phar-io/version.git",
+                "reference": "45a2ec53a73c70ce41d55cedef9063630abaf1b6"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phar-io/version/zipball/45a2ec53a73c70ce41d55cedef9063630abaf1b6",
+                "reference": "45a2ec53a73c70ce41d55cedef9063630abaf1b6",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.6 || ^7.0"
+            },
+            "type": "library",
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Arne Blankerts",
+                    "email": "arne@blankerts.de",
+                    "role": "Developer"
+                },
+                {
+                    "name": "Sebastian Heuer",
+                    "email": "sebastian@phpeople.de",
+                    "role": "Developer"
+                },
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "Developer"
+                }
+            ],
+            "description": "Library for handling version information and constraints",
+            "time": "2018-07-08T19:19:57+00:00"
+        },
+        {
+            "name": "php-http/httplug",
+            "version": "v1.1.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-http/httplug.git",
+                "reference": "1c6381726c18579c4ca2ef1ec1498fdae8bdf018"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-http/httplug/zipball/1c6381726c18579c4ca2ef1ec1498fdae8bdf018",
+                "reference": "1c6381726c18579c4ca2ef1ec1498fdae8bdf018",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.4",
+                "php-http/promise": "^1.0",
+                "psr/http-message": "^1.0"
+            },
+            "require-dev": {
+                "henrikbjorn/phpspec-code-coverage": "^1.0",
+                "phpspec/phpspec": "^2.4"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.1-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Http\\Client\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Eric GELOEN",
+                    "email": "geloen.eric@gmail.com"
+                },
+                {
+                    "name": "Márk Sági-Kazár",
+                    "email": "mark.sagikazar@gmail.com"
+                }
+            ],
+            "description": "HTTPlug, the HTTP client abstraction for PHP",
+            "homepage": "http://httplug.io",
+            "keywords": [
+                "client",
+                "http"
+            ],
+            "time": "2016-08-31T08:30:17+00:00"
+        },
+        {
+            "name": "php-http/message-factory",
+            "version": "v1.0.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-http/message-factory.git",
+                "reference": "a478cb11f66a6ac48d8954216cfed9aa06a501a1"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-http/message-factory/zipball/a478cb11f66a6ac48d8954216cfed9aa06a501a1",
+                "reference": "a478cb11f66a6ac48d8954216cfed9aa06a501a1",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.4",
+                "psr/http-message": "^1.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Http\\Message\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Márk Sági-Kazár",
+                    "email": "mark.sagikazar@gmail.com"
+                }
+            ],
+            "description": "Factory interfaces for PSR-7 HTTP Message",
+            "homepage": "http://php-http.org",
+            "keywords": [
+                "factory",
+                "http",
+                "message",
+                "stream",
+                "uri"
+            ],
+            "time": "2015-12-19T14:08:53+00:00"
+        },
+        {
+            "name": "php-http/promise",
+            "version": "v1.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-http/promise.git",
+                "reference": "dc494cdc9d7160b9a09bd5573272195242ce7980"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-http/promise/zipball/dc494cdc9d7160b9a09bd5573272195242ce7980",
+                "reference": "dc494cdc9d7160b9a09bd5573272195242ce7980",
+                "shasum": ""
+            },
+            "require-dev": {
+                "henrikbjorn/phpspec-code-coverage": "^1.0",
+                "phpspec/phpspec": "^2.4"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.1-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Http\\Promise\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Márk Sági-Kazár",
+                    "email": "mark.sagikazar@gmail.com"
+                },
+                {
+                    "name": "Joel Wurtz",
+                    "email": "joel.wurtz@gmail.com"
+                }
+            ],
+            "description": "Promise used for asynchronous HTTP requests",
+            "homepage": "http://httplug.io",
+            "keywords": [
+                "promise"
+            ],
+            "time": "2016-01-26T13:27:02+00:00"
         },
         {
             "name": "phpdocumentor/reflection-docblock",
-            "version": "2.0.4",
+            "version": "2.0.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpDocumentor/ReflectionDocBlock.git",
-                "reference": "d68dbdc53dc358a816f00b300704702b2eaff7b8"
+                "reference": "e6a969a640b00d8daa3c66518b0405fb41ae0c4b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/d68dbdc53dc358a816f00b300704702b2eaff7b8",
-                "reference": "d68dbdc53dc358a816f00b300704702b2eaff7b8",
+                "url": "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/e6a969a640b00d8daa3c66518b0405fb41ae0c4b",
+                "reference": "e6a969a640b00d8daa3c66518b0405fb41ae0c4b",
                 "shasum": ""
             },
             "require": {
@@ -812,7 +1252,7 @@
                     "email": "mike.vanriel@naenius.com"
                 }
             ],
-            "time": "2015-02-03 12:10:50"
+            "time": "2016-01-25T08:17:30+00:00"
         },
         {
             "name": "phploc/phploc",
@@ -865,7 +1305,7 @@
             ],
             "description": "A tool for quickly measuring the size of a PHP project.",
             "homepage": "https://github.com/sebastianbergmann/phploc",
-            "time": "2016-04-25 08:11:21"
+            "time": "2016-04-25T08:11:21+00:00"
         },
         {
             "name": "phpmd/phpmd",
@@ -931,37 +1371,37 @@
                 "phpmd",
                 "pmd"
             ],
-            "time": "2017-01-20 14:41:10"
+            "time": "2017-01-20T14:41:10+00:00"
         },
         {
             "name": "phpspec/prophecy",
-            "version": "v1.6.2",
+            "version": "1.8.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpspec/prophecy.git",
-                "reference": "6c52c2722f8460122f96f86346600e1077ce22cb"
+                "reference": "4ba436b55987b4bf311cb7c6ba82aa528aac0a06"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/6c52c2722f8460122f96f86346600e1077ce22cb",
-                "reference": "6c52c2722f8460122f96f86346600e1077ce22cb",
+                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/4ba436b55987b4bf311cb7c6ba82aa528aac0a06",
+                "reference": "4ba436b55987b4bf311cb7c6ba82aa528aac0a06",
                 "shasum": ""
             },
             "require": {
                 "doctrine/instantiator": "^1.0.2",
                 "php": "^5.3|^7.0",
-                "phpdocumentor/reflection-docblock": "^2.0|^3.0.2",
-                "sebastian/comparator": "^1.1",
-                "sebastian/recursion-context": "^1.0|^2.0"
+                "phpdocumentor/reflection-docblock": "^2.0|^3.0.2|^4.0",
+                "sebastian/comparator": "^1.1|^2.0|^3.0",
+                "sebastian/recursion-context": "^1.0|^2.0|^3.0"
             },
             "require-dev": {
-                "phpspec/phpspec": "^2.0",
-                "phpunit/phpunit": "^4.8 || ^5.6.5"
+                "phpspec/phpspec": "^2.5|^3.2",
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.5 || ^7.1"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.6.x-dev"
+                    "dev-master": "1.8.x-dev"
                 }
             },
             "autoload": {
@@ -994,44 +1434,44 @@
                 "spy",
                 "stub"
             ],
-            "time": "2016-11-21 14:58:47"
+            "time": "2018-08-05T17:53:17+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
-            "version": "4.0.5",
+            "version": "6.0.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
-                "reference": "c19cfc7cbb0e9338d8c469c7eedecc2a428b0971"
+                "reference": "848f78b3309780fef7ec8c4666b7ab4e6b09b22f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/c19cfc7cbb0e9338d8c469c7eedecc2a428b0971",
-                "reference": "c19cfc7cbb0e9338d8c469c7eedecc2a428b0971",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/848f78b3309780fef7ec8c4666b7ab4e6b09b22f",
+                "reference": "848f78b3309780fef7ec8c4666b7ab4e6b09b22f",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.6 || ^7.0",
-                "phpunit/php-file-iterator": "~1.3",
-                "phpunit/php-text-template": "~1.2",
-                "phpunit/php-token-stream": "^1.4.2",
-                "sebastian/code-unit-reverse-lookup": "~1.0",
-                "sebastian/environment": "^1.3.2 || ^2.0",
-                "sebastian/version": "~1.0|~2.0"
+                "ext-dom": "*",
+                "ext-xmlwriter": "*",
+                "php": "^7.1",
+                "phpunit/php-file-iterator": "^2.0",
+                "phpunit/php-text-template": "^1.2.1",
+                "phpunit/php-token-stream": "^3.0",
+                "sebastian/code-unit-reverse-lookup": "^1.0.1",
+                "sebastian/environment": "^3.1",
+                "sebastian/version": "^2.0.1",
+                "theseer/tokenizer": "^1.1"
             },
             "require-dev": {
-                "ext-xdebug": ">=2.1.4",
-                "phpunit/phpunit": "^5.4"
+                "phpunit/phpunit": "^7.0"
             },
             "suggest": {
-                "ext-dom": "*",
-                "ext-xdebug": ">=2.4.0",
-                "ext-xmlwriter": "*"
+                "ext-xdebug": "^2.6.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.0.x-dev"
+                    "dev-master": "6.0-dev"
                 }
             },
             "autoload": {
@@ -1046,7 +1486,7 @@
             "authors": [
                 {
                     "name": "Sebastian Bergmann",
-                    "email": "sb@sebastian-bergmann.de",
+                    "email": "sebastian@phpunit.de",
                     "role": "lead"
                 }
             ],
@@ -1057,29 +1497,32 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2017-01-20 15:06:43"
+            "time": "2018-10-04T03:41:23+00:00"
         },
         {
             "name": "phpunit/php-file-iterator",
-            "version": "1.4.2",
+            "version": "2.0.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-file-iterator.git",
-                "reference": "3cc8f69b3028d0f96a9078e6295d86e9bf019be5"
+                "reference": "050bedf145a257b1ff02746c31894800e5122946"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-file-iterator/zipball/3cc8f69b3028d0f96a9078e6295d86e9bf019be5",
-                "reference": "3cc8f69b3028d0f96a9078e6295d86e9bf019be5",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-file-iterator/zipball/050bedf145a257b1ff02746c31894800e5122946",
+                "reference": "050bedf145a257b1ff02746c31894800e5122946",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3"
+                "php": "^7.1"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^7.1"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.4.x-dev"
+                    "dev-master": "2.0.x-dev"
                 }
             },
             "autoload": {
@@ -1094,7 +1537,7 @@
             "authors": [
                 {
                     "name": "Sebastian Bergmann",
-                    "email": "sb@sebastian-bergmann.de",
+                    "email": "sebastian@phpunit.de",
                     "role": "lead"
                 }
             ],
@@ -1104,7 +1547,7 @@
                 "filesystem",
                 "iterator"
             ],
-            "time": "2016-10-03 07:40:28"
+            "time": "2018-09-13T20:33:42+00:00"
         },
         {
             "name": "phpunit/php-text-template",
@@ -1145,29 +1588,34 @@
             "keywords": [
                 "template"
             ],
-            "time": "2015-06-21 13:50:34"
+            "time": "2015-06-21T13:50:34+00:00"
         },
         {
             "name": "phpunit/php-timer",
-            "version": "1.0.8",
+            "version": "2.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-timer.git",
-                "reference": "38e9124049cf1a164f1e4537caf19c99bf1eb260"
+                "reference": "8b8454ea6958c3dee38453d3bd571e023108c91f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-timer/zipball/38e9124049cf1a164f1e4537caf19c99bf1eb260",
-                "reference": "38e9124049cf1a164f1e4537caf19c99bf1eb260",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-timer/zipball/8b8454ea6958c3dee38453d3bd571e023108c91f",
+                "reference": "8b8454ea6958c3dee38453d3bd571e023108c91f",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3"
+                "php": "^7.1"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4|~5"
+                "phpunit/phpunit": "^7.0"
             },
             "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.0-dev"
+                }
+            },
             "autoload": {
                 "classmap": [
                     "src/"
@@ -1180,7 +1628,7 @@
             "authors": [
                 {
                     "name": "Sebastian Bergmann",
-                    "email": "sb@sebastian-bergmann.de",
+                    "email": "sebastian@phpunit.de",
                     "role": "lead"
                 }
             ],
@@ -1189,33 +1637,33 @@
             "keywords": [
                 "timer"
             ],
-            "time": "2016-05-12 18:03:57"
+            "time": "2018-02-01T13:07:23+00:00"
         },
         {
             "name": "phpunit/php-token-stream",
-            "version": "1.4.9",
+            "version": "3.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-token-stream.git",
-                "reference": "3b402f65a4cc90abf6e1104e388b896ce209631b"
+                "reference": "21ad88bbba7c3d93530d93994e0a33cd45f02ace"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/3b402f65a4cc90abf6e1104e388b896ce209631b",
-                "reference": "3b402f65a4cc90abf6e1104e388b896ce209631b",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/21ad88bbba7c3d93530d93994e0a33cd45f02ace",
+                "reference": "21ad88bbba7c3d93530d93994e0a33cd45f02ace",
                 "shasum": ""
             },
             "require": {
                 "ext-tokenizer": "*",
-                "php": ">=5.3.3"
+                "php": "^7.1"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.2"
+                "phpunit/phpunit": "^7.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.4-dev"
+                    "dev-master": "3.0-dev"
                 }
             },
             "autoload": {
@@ -1238,148 +1686,241 @@
             "keywords": [
                 "tokenizer"
             ],
-            "time": "2016-11-15 14:06:22"
+            "time": "2018-02-01T13:16:43+00:00"
         },
         {
             "name": "phpunit/phpunit",
-            "version": "5.7.8",
+            "version": "7.3.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "bee7755d964f8e56d6ecb79046480fd0320b686d"
+                "reference": "7b331efabbb628c518c408fdfcaf571156775de2"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/bee7755d964f8e56d6ecb79046480fd0320b686d",
-                "reference": "bee7755d964f8e56d6ecb79046480fd0320b686d",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/7b331efabbb628c518c408fdfcaf571156775de2",
+                "reference": "7b331efabbb628c518c408fdfcaf571156775de2",
                 "shasum": ""
             },
             "require": {
+                "doctrine/instantiator": "^1.1",
                 "ext-dom": "*",
                 "ext-json": "*",
                 "ext-libxml": "*",
                 "ext-mbstring": "*",
                 "ext-xml": "*",
-                "myclabs/deep-copy": "~1.3",
-                "php": "^5.6 || ^7.0",
-                "phpspec/prophecy": "^1.6.2",
-                "phpunit/php-code-coverage": "^4.0.4",
-                "phpunit/php-file-iterator": "~1.4",
-                "phpunit/php-text-template": "~1.2",
-                "phpunit/php-timer": "^1.0.6",
-                "phpunit/phpunit-mock-objects": "^3.2",
-                "sebastian/comparator": "~1.2.2",
-                "sebastian/diff": "~1.2",
-                "sebastian/environment": "^1.3.4 || ^2.0",
-                "sebastian/exporter": "~2.0",
-                "sebastian/global-state": "^1.0 || ^2.0",
-                "sebastian/object-enumerator": "~2.0",
-                "sebastian/resource-operations": "~1.0",
-                "sebastian/version": "~1.0|~2.0",
-                "symfony/yaml": "~2.1|~3.0"
+                "myclabs/deep-copy": "^1.7",
+                "phar-io/manifest": "^1.0.2",
+                "phar-io/version": "^2.0",
+                "php": "^7.1",
+                "phpspec/prophecy": "^1.7",
+                "phpunit/php-code-coverage": "^6.0.7",
+                "phpunit/php-file-iterator": "^2.0.1",
+                "phpunit/php-text-template": "^1.2.1",
+                "phpunit/php-timer": "^2.0",
+                "sebastian/comparator": "^3.0",
+                "sebastian/diff": "^3.0",
+                "sebastian/environment": "^3.1",
+                "sebastian/exporter": "^3.1",
+                "sebastian/global-state": "^2.0",
+                "sebastian/object-enumerator": "^3.0.3",
+                "sebastian/resource-operations": "^1.0",
+                "sebastian/version": "^2.0.1"
             },
             "conflict": {
-                "phpdocumentor/reflection-docblock": "3.0.2"
+                "phpunit/phpunit-mock-objects": "*"
+            },
+            "require-dev": {
+                "ext-pdo": "*"
+            },
+            "suggest": {
+                "ext-soap": "*",
+                "ext-xdebug": "*",
+                "phpunit/php-invoker": "^2.0"
+            },
+            "bin": [
+                "phpunit"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "7.3-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "The PHP Unit Testing framework.",
+            "homepage": "https://phpunit.de/",
+            "keywords": [
+                "phpunit",
+                "testing",
+                "xunit"
+            ],
+            "time": "2018-09-08T15:14:29+00:00"
+        },
+        {
+            "name": "psr/container",
+            "version": "1.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-fig/container.git",
+                "reference": "b7ce3b176482dbbc1245ebf52b181af44c2cf55f"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-fig/container/zipball/b7ce3b176482dbbc1245ebf52b181af44c2cf55f",
+                "reference": "b7ce3b176482dbbc1245ebf52b181af44c2cf55f",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Psr\\Container\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "PHP-FIG",
+                    "homepage": "http://www.php-fig.org/"
+                }
+            ],
+            "description": "Common Container Interface (PHP FIG PSR-11)",
+            "homepage": "https://github.com/php-fig/container",
+            "keywords": [
+                "PSR-11",
+                "container",
+                "container-interface",
+                "container-interop",
+                "psr"
+            ],
+            "time": "2017-02-14T16:28:37+00:00"
+        },
+        {
+            "name": "psr/http-client",
+            "version": "0.1.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-fig/http-client.git",
+                "reference": "d4d3ec04b034120b0591ad9722a4c2be33a7dfec"
             },
-            "require-dev": {
-                "ext-pdo": "*"
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-fig/http-client/zipball/d4d3ec04b034120b0591ad9722a4c2be33a7dfec",
+                "reference": "d4d3ec04b034120b0591ad9722a4c2be33a7dfec",
+                "shasum": ""
             },
-            "suggest": {
-                "ext-xdebug": "*",
-                "phpunit/php-invoker": "~1.1"
+            "require": {
+                "php": "^7.0",
+                "psr/http-message": "^1.0"
             },
-            "bin": [
-                "phpunit"
-            ],
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "5.7.x-dev"
+                    "dev-master": "1.0.x-dev"
                 }
             },
             "autoload": {
-                "classmap": [
-                    "src/"
-                ]
+                "psr-4": {
+                    "Psr\\Http\\Client\\": "src/"
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
-                "BSD-3-Clause"
+                "MIT"
             ],
             "authors": [
                 {
-                    "name": "Sebastian Bergmann",
-                    "email": "sebastian@phpunit.de",
-                    "role": "lead"
+                    "name": "PHP-FIG",
+                    "homepage": "http://www.php-fig.org/"
                 }
             ],
-            "description": "The PHP Unit Testing framework.",
-            "homepage": "https://phpunit.de/",
+            "description": "Common interface for HTTP clients",
+            "homepage": "https://github.com/php-fig/http-client",
             "keywords": [
-                "phpunit",
-                "testing",
-                "xunit"
+                "http",
+                "http-client",
+                "psr",
+                "psr-18"
             ],
-            "time": "2017-01-26 15:28:51"
+            "time": "2018-02-03T12:55:20+00:00"
         },
         {
-            "name": "phpunit/phpunit-mock-objects",
-            "version": "3.4.3",
+            "name": "psr/http-factory",
+            "version": "1.0.0",
             "source": {
                 "type": "git",
-                "url": "https://github.com/sebastianbergmann/phpunit-mock-objects.git",
-                "reference": "3ab72b65b39b491e0c011e2e09bb2206c2aa8e24"
+                "url": "https://github.com/php-fig/http-factory.git",
+                "reference": "378bfe27931ecc54ff824a20d6f6bfc303bbd04c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit-mock-objects/zipball/3ab72b65b39b491e0c011e2e09bb2206c2aa8e24",
-                "reference": "3ab72b65b39b491e0c011e2e09bb2206c2aa8e24",
+                "url": "https://api.github.com/repos/php-fig/http-factory/zipball/378bfe27931ecc54ff824a20d6f6bfc303bbd04c",
+                "reference": "378bfe27931ecc54ff824a20d6f6bfc303bbd04c",
                 "shasum": ""
             },
             "require": {
-                "doctrine/instantiator": "^1.0.2",
-                "php": "^5.6 || ^7.0",
-                "phpunit/php-text-template": "^1.2",
-                "sebastian/exporter": "^1.2 || ^2.0"
-            },
-            "conflict": {
-                "phpunit/phpunit": "<5.4.0"
-            },
-            "require-dev": {
-                "phpunit/phpunit": "^5.4"
-            },
-            "suggest": {
-                "ext-soap": "*"
+                "php": ">=7.0.0",
+                "psr/http-message": "^1.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.2.x-dev"
+                    "dev-master": "1.0.x-dev"
                 }
             },
             "autoload": {
-                "classmap": [
-                    "src/"
-                ]
+                "psr-4": {
+                    "Psr\\Http\\Message\\": "src/"
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
-                "BSD-3-Clause"
+                "MIT"
             ],
             "authors": [
                 {
-                    "name": "Sebastian Bergmann",
-                    "email": "sb@sebastian-bergmann.de",
-                    "role": "lead"
+                    "name": "PHP-FIG",
+                    "homepage": "http://www.php-fig.org/"
                 }
             ],
-            "description": "Mock Object library for PHPUnit",
-            "homepage": "https://github.com/sebastianbergmann/phpunit-mock-objects/",
+            "description": "Common interfaces for PSR-7 HTTP message factories",
             "keywords": [
-                "mock",
-                "xunit"
+                "factory",
+                "http",
+                "message",
+                "psr",
+                "psr-17",
+                "psr-7",
+                "request",
+                "response"
             ],
-            "time": "2016-12-08 20:27:08"
+            "time": "2018-07-30T21:54:04+00:00"
         },
         {
             "name": "psr/http-message",
@@ -1429,7 +1970,7 @@
                 "request",
                 "response"
             ],
-            "time": "2016-08-06 14:39:51"
+            "time": "2016-08-06T14:39:51+00:00"
         },
         {
             "name": "psr/log",
@@ -1476,7 +2017,7 @@
                 "psr",
                 "psr-3"
             ],
-            "time": "2016-10-10 12:19:37"
+            "time": "2016-10-10T12:19:37+00:00"
         },
         {
             "name": "rhubarbphp/custard",
@@ -1522,7 +2063,7 @@
                 "rhubarb",
                 "tools"
             ],
-            "time": "2017-01-09 16:06:24"
+            "time": "2017-01-09T16:06:24+00:00"
         },
         {
             "name": "rhubarbphp/module-build-status-updater",
@@ -1569,27 +2110,27 @@
                 "rhubarb",
                 "status"
             ],
-            "time": "2016-05-23 11:45:05"
+            "time": "2016-05-23T11:45:05+00:00"
         },
         {
             "name": "sebastian/code-unit-reverse-lookup",
-            "version": "1.0.0",
+            "version": "1.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/code-unit-reverse-lookup.git",
-                "reference": "c36f5e7cfce482fde5bf8d10d41a53591e0198fe"
+                "reference": "4419fcdb5eabb9caa61a27c7a1db532a6b55dd18"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/code-unit-reverse-lookup/zipball/c36f5e7cfce482fde5bf8d10d41a53591e0198fe",
-                "reference": "c36f5e7cfce482fde5bf8d10d41a53591e0198fe",
+                "url": "https://api.github.com/repos/sebastianbergmann/code-unit-reverse-lookup/zipball/4419fcdb5eabb9caa61a27c7a1db532a6b55dd18",
+                "reference": "4419fcdb5eabb9caa61a27c7a1db532a6b55dd18",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.6"
+                "php": "^5.6 || ^7.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~5"
+                "phpunit/phpunit": "^5.7 || ^6.0"
             },
             "type": "library",
             "extra": {
@@ -1614,34 +2155,34 @@
             ],
             "description": "Looks up which function or method a line of code belongs to",
             "homepage": "https://github.com/sebastianbergmann/code-unit-reverse-lookup/",
-            "time": "2016-02-13 06:45:14"
+            "time": "2017-03-04T06:30:41+00:00"
         },
         {
             "name": "sebastian/comparator",
-            "version": "1.2.2",
+            "version": "3.0.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/comparator.git",
-                "reference": "6a1ed12e8b2409076ab22e3897126211ff8b1f7f"
+                "reference": "5de4fc177adf9bce8df98d8d141a7559d7ccf6da"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/6a1ed12e8b2409076ab22e3897126211ff8b1f7f",
-                "reference": "6a1ed12e8b2409076ab22e3897126211ff8b1f7f",
+                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/5de4fc177adf9bce8df98d8d141a7559d7ccf6da",
+                "reference": "5de4fc177adf9bce8df98d8d141a7559d7ccf6da",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3",
-                "sebastian/diff": "~1.2",
-                "sebastian/exporter": "~1.2 || ~2.0"
+                "php": "^7.1",
+                "sebastian/diff": "^3.0",
+                "sebastian/exporter": "^3.1"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.4"
+                "phpunit/phpunit": "^7.1"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.2.x-dev"
+                    "dev-master": "3.0-dev"
                 }
             },
             "autoload": {
@@ -1672,38 +2213,39 @@
                 }
             ],
             "description": "Provides the functionality to compare PHP values for equality",
-            "homepage": "http://www.github.com/sebastianbergmann/comparator",
+            "homepage": "https://github.com/sebastianbergmann/comparator",
             "keywords": [
                 "comparator",
                 "compare",
                 "equality"
             ],
-            "time": "2016-11-19 09:18:40"
+            "time": "2018-07-12T15:12:46+00:00"
         },
         {
             "name": "sebastian/diff",
-            "version": "1.4.1",
+            "version": "3.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/diff.git",
-                "reference": "13edfd8706462032c2f52b4b862974dd46b71c9e"
+                "reference": "366541b989927187c4ca70490a35615d3fef2dce"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/diff/zipball/13edfd8706462032c2f52b4b862974dd46b71c9e",
-                "reference": "13edfd8706462032c2f52b4b862974dd46b71c9e",
+                "url": "https://api.github.com/repos/sebastianbergmann/diff/zipball/366541b989927187c4ca70490a35615d3fef2dce",
+                "reference": "366541b989927187c4ca70490a35615d3fef2dce",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3"
+                "php": "^7.1"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.8"
+                "phpunit/phpunit": "^7.0",
+                "symfony/process": "^2 || ^3.3 || ^4"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.4-dev"
+                    "dev-master": "3.0-dev"
                 }
             },
             "autoload": {
@@ -1728,34 +2270,37 @@
             "description": "Diff implementation",
             "homepage": "https://github.com/sebastianbergmann/diff",
             "keywords": [
-                "diff"
+                "diff",
+                "udiff",
+                "unidiff",
+                "unified diff"
             ],
-            "time": "2015-12-08 07:14:41"
+            "time": "2018-06-10T07:54:39+00:00"
         },
         {
             "name": "sebastian/environment",
-            "version": "2.0.0",
+            "version": "3.1.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/environment.git",
-                "reference": "5795ffe5dc5b02460c3e34222fee8cbe245d8fac"
+                "reference": "cd0871b3975fb7fc44d11314fd1ee20925fce4f5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/environment/zipball/5795ffe5dc5b02460c3e34222fee8cbe245d8fac",
-                "reference": "5795ffe5dc5b02460c3e34222fee8cbe245d8fac",
+                "url": "https://api.github.com/repos/sebastianbergmann/environment/zipball/cd0871b3975fb7fc44d11314fd1ee20925fce4f5",
+                "reference": "cd0871b3975fb7fc44d11314fd1ee20925fce4f5",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.6 || ^7.0"
+                "php": "^7.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "^5.0"
+                "phpunit/phpunit": "^6.1"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.0.x-dev"
+                    "dev-master": "3.1.x-dev"
                 }
             },
             "autoload": {
@@ -1780,34 +2325,34 @@
                 "environment",
                 "hhvm"
             ],
-            "time": "2016-11-26 07:53:53"
+            "time": "2017-07-01T08:51:00+00:00"
         },
         {
             "name": "sebastian/exporter",
-            "version": "2.0.0",
+            "version": "3.1.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/exporter.git",
-                "reference": "ce474bdd1a34744d7ac5d6aad3a46d48d9bac4c4"
+                "reference": "234199f4528de6d12aaa58b612e98f7d36adb937"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/ce474bdd1a34744d7ac5d6aad3a46d48d9bac4c4",
-                "reference": "ce474bdd1a34744d7ac5d6aad3a46d48d9bac4c4",
+                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/234199f4528de6d12aaa58b612e98f7d36adb937",
+                "reference": "234199f4528de6d12aaa58b612e98f7d36adb937",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3",
-                "sebastian/recursion-context": "~2.0"
+                "php": "^7.0",
+                "sebastian/recursion-context": "^3.0"
             },
             "require-dev": {
                 "ext-mbstring": "*",
-                "phpunit/phpunit": "~4.4"
+                "phpunit/phpunit": "^6.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.0.x-dev"
+                    "dev-master": "3.1.x-dev"
                 }
             },
             "autoload": {
@@ -1847,24 +2392,24 @@
                 "export",
                 "exporter"
             ],
-            "time": "2016-11-19 08:54:04"
+            "time": "2017-04-03T13:19:02+00:00"
         },
         {
             "name": "sebastian/finder-facade",
-            "version": "1.2.1",
+            "version": "1.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/finder-facade.git",
-                "reference": "2a6f7f57efc0aa2d23297d9fd9e2a03111a8c0b9"
+                "reference": "4a3174709c2dc565fe5fb26fcf827f6a1fc7b09f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/finder-facade/zipball/2a6f7f57efc0aa2d23297d9fd9e2a03111a8c0b9",
-                "reference": "2a6f7f57efc0aa2d23297d9fd9e2a03111a8c0b9",
+                "url": "https://api.github.com/repos/sebastianbergmann/finder-facade/zipball/4a3174709c2dc565fe5fb26fcf827f6a1fc7b09f",
+                "reference": "4a3174709c2dc565fe5fb26fcf827f6a1fc7b09f",
                 "shasum": ""
             },
             "require": {
-                "symfony/finder": "~2.3|~3.0",
+                "symfony/finder": "~2.3|~3.0|~4.0",
                 "theseer/fdomdocument": "~1.3"
             },
             "type": "library",
@@ -1886,20 +2431,20 @@
             ],
             "description": "FinderFacade is a convenience wrapper for Symfony's Finder component.",
             "homepage": "https://github.com/sebastianbergmann/finder-facade",
-            "time": "2016-02-17 07:02:23"
+            "time": "2017-11-18T17:31:49+00:00"
         },
         {
             "name": "sebastian/git",
-            "version": "2.1.3",
+            "version": "2.1.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/git.git",
-                "reference": "5100bc50cd9e70f424c643618e142214225024f3"
+                "reference": "815bbbc963cf35e5413df195aa29df58243ecd24"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/git/zipball/5100bc50cd9e70f424c643618e142214225024f3",
-                "reference": "5100bc50cd9e70f424c643618e142214225024f3",
+                "url": "https://api.github.com/repos/sebastianbergmann/git/zipball/815bbbc963cf35e5413df195aa29df58243ecd24",
+                "reference": "815bbbc963cf35e5413df195aa29df58243ecd24",
                 "shasum": ""
             },
             "require": {
@@ -1931,27 +2476,28 @@
             "keywords": [
                 "git"
             ],
-            "time": "2016-06-15 09:30:19"
+            "abandoned": true,
+            "time": "2017-01-23T20:57:12+00:00"
         },
         {
             "name": "sebastian/global-state",
-            "version": "1.1.1",
+            "version": "2.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/global-state.git",
-                "reference": "bc37d50fea7d017d3d340f230811c9f1d7280af4"
+                "reference": "e8ba02eed7bbbb9e59e43dedd3dddeff4a56b0c4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/global-state/zipball/bc37d50fea7d017d3d340f230811c9f1d7280af4",
-                "reference": "bc37d50fea7d017d3d340f230811c9f1d7280af4",
+                "url": "https://api.github.com/repos/sebastianbergmann/global-state/zipball/e8ba02eed7bbbb9e59e43dedd3dddeff4a56b0c4",
+                "reference": "e8ba02eed7bbbb9e59e43dedd3dddeff4a56b0c4",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3"
+                "php": "^7.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.2"
+                "phpunit/phpunit": "^6.0"
             },
             "suggest": {
                 "ext-uopz": "*"
@@ -1959,7 +2505,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.0-dev"
+                    "dev-master": "2.0-dev"
                 }
             },
             "autoload": {
@@ -1982,33 +2528,34 @@
             "keywords": [
                 "global state"
             ],
-            "time": "2015-10-12 03:26:01"
+            "time": "2017-04-27T15:39:26+00:00"
         },
         {
             "name": "sebastian/object-enumerator",
-            "version": "2.0.0",
+            "version": "3.0.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/object-enumerator.git",
-                "reference": "96f8a3f257b69e8128ad74d3a7fd464bcbaa3b35"
+                "reference": "7cfd9e65d11ffb5af41198476395774d4c8a84c5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/object-enumerator/zipball/96f8a3f257b69e8128ad74d3a7fd464bcbaa3b35",
-                "reference": "96f8a3f257b69e8128ad74d3a7fd464bcbaa3b35",
+                "url": "https://api.github.com/repos/sebastianbergmann/object-enumerator/zipball/7cfd9e65d11ffb5af41198476395774d4c8a84c5",
+                "reference": "7cfd9e65d11ffb5af41198476395774d4c8a84c5",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.6",
-                "sebastian/recursion-context": "~2.0"
+                "php": "^7.0",
+                "sebastian/object-reflector": "^1.1.1",
+                "sebastian/recursion-context": "^3.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~5"
+                "phpunit/phpunit": "^6.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.0.x-dev"
+                    "dev-master": "3.0.x-dev"
                 }
             },
             "autoload": {
@@ -2028,7 +2575,52 @@
             ],
             "description": "Traverses array structures and object graphs to enumerate all referenced objects",
             "homepage": "https://github.com/sebastianbergmann/object-enumerator/",
-            "time": "2016-11-19 07:35:10"
+            "time": "2017-08-03T12:35:26+00:00"
+        },
+        {
+            "name": "sebastian/object-reflector",
+            "version": "1.1.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/object-reflector.git",
+                "reference": "773f97c67f28de00d397be301821b06708fca0be"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/object-reflector/zipball/773f97c67f28de00d397be301821b06708fca0be",
+                "reference": "773f97c67f28de00d397be301821b06708fca0be",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^6.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.1-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                }
+            ],
+            "description": "Allows reflection of object attributes, including inherited and non-public ones",
+            "homepage": "https://github.com/sebastianbergmann/object-reflector/",
+            "time": "2017-03-29T09:07:27+00:00"
         },
         {
             "name": "sebastian/phpcpd",
@@ -2079,32 +2671,32 @@
             ],
             "description": "Copy/Paste Detector (CPD) for PHP code.",
             "homepage": "https://github.com/sebastianbergmann/phpcpd",
-            "time": "2016-04-17 19:32:49"
+            "time": "2016-04-17T19:32:49+00:00"
         },
         {
             "name": "sebastian/recursion-context",
-            "version": "2.0.0",
+            "version": "3.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/recursion-context.git",
-                "reference": "2c3ba150cbec723aa057506e73a8d33bdb286c9a"
+                "reference": "5b0cd723502bac3b006cbf3dbf7a1e3fcefe4fa8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/recursion-context/zipball/2c3ba150cbec723aa057506e73a8d33bdb286c9a",
-                "reference": "2c3ba150cbec723aa057506e73a8d33bdb286c9a",
+                "url": "https://api.github.com/repos/sebastianbergmann/recursion-context/zipball/5b0cd723502bac3b006cbf3dbf7a1e3fcefe4fa8",
+                "reference": "5b0cd723502bac3b006cbf3dbf7a1e3fcefe4fa8",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3"
+                "php": "^7.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.4"
+                "phpunit/phpunit": "^6.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.0.x-dev"
+                    "dev-master": "3.0.x-dev"
                 }
             },
             "autoload": {
@@ -2132,7 +2724,7 @@
             ],
             "description": "Provides functionality to recursively process PHP variables",
             "homepage": "http://www.github.com/sebastianbergmann/recursion-context",
-            "time": "2016-11-19 07:33:16"
+            "time": "2017-03-03T06:23:57+00:00"
         },
         {
             "name": "sebastian/resource-operations",
@@ -2174,7 +2766,7 @@
             ],
             "description": "Provides a list of PHP built-in functions that operate on resources",
             "homepage": "https://www.github.com/sebastianbergmann/resource-operations",
-            "time": "2015-07-28 20:34:47"
+            "time": "2015-07-28T20:34:47+00:00"
         },
         {
             "name": "sebastian/version",
@@ -2217,20 +2809,20 @@
             ],
             "description": "Library that helps with managing the version number of Git-hosted PHP projects",
             "homepage": "https://github.com/sebastianbergmann/version",
-            "time": "2016-10-03 07:35:21"
+            "time": "2016-10-03T07:35:21+00:00"
         },
         {
             "name": "squizlabs/php_codesniffer",
-            "version": "2.7.1",
+            "version": "2.9.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/squizlabs/PHP_CodeSniffer.git",
-                "reference": "9b324f3a1132459a7274a0ace2e1b766ba80930f"
+                "reference": "dcbed1074f8244661eecddfc2a675430d8d33f62"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/squizlabs/PHP_CodeSniffer/zipball/9b324f3a1132459a7274a0ace2e1b766ba80930f",
-                "reference": "9b324f3a1132459a7274a0ace2e1b766ba80930f",
+                "url": "https://api.github.com/repos/squizlabs/PHP_CodeSniffer/zipball/dcbed1074f8244661eecddfc2a675430d8d33f62",
+                "reference": "dcbed1074f8244661eecddfc2a675430d8d33f62",
                 "shasum": ""
             },
             "require": {
@@ -2295,29 +2887,29 @@
                 "phpcs",
                 "standards"
             ],
-            "time": "2016-11-30 04:02:31"
+            "time": "2017-05-22T02:43:20+00:00"
         },
         {
             "name": "symfony/browser-kit",
-            "version": "v3.2.2",
+            "version": "v4.1.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/browser-kit.git",
-                "reference": "548f8230bad9f77463b20b15993a008f03e96db5"
+                "reference": "c55fe9257003b2d95c0211b3f6941e8dfd26dffd"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/browser-kit/zipball/548f8230bad9f77463b20b15993a008f03e96db5",
-                "reference": "548f8230bad9f77463b20b15993a008f03e96db5",
+                "url": "https://api.github.com/repos/symfony/browser-kit/zipball/c55fe9257003b2d95c0211b3f6941e8dfd26dffd",
+                "reference": "c55fe9257003b2d95c0211b3f6941e8dfd26dffd",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.5.9",
-                "symfony/dom-crawler": "~2.8|~3.0"
+                "php": "^7.1.3",
+                "symfony/dom-crawler": "~3.4|~4.0"
             },
             "require-dev": {
-                "symfony/css-selector": "~2.8|~3.0",
-                "symfony/process": "~2.8|~3.0"
+                "symfony/css-selector": "~3.4|~4.0",
+                "symfony/process": "~3.4|~4.0"
             },
             "suggest": {
                 "symfony/process": ""
@@ -2325,7 +2917,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.2-dev"
+                    "dev-master": "4.1-dev"
                 }
             },
             "autoload": {
@@ -2352,28 +2944,35 @@
             ],
             "description": "Symfony BrowserKit Component",
             "homepage": "https://symfony.com",
-            "time": "2017-01-02 20:32:22"
+            "time": "2018-07-26T09:10:45+00:00"
         },
         {
             "name": "symfony/config",
-            "version": "v3.2.2",
+            "version": "v4.1.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/config.git",
-                "reference": "c5ea878b5a7f6a01b9a2f182f905831711b9ff3f"
+                "reference": "b3d4d7b567d7a49e6dfafb6d4760abc921177c96"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/config/zipball/c5ea878b5a7f6a01b9a2f182f905831711b9ff3f",
-                "reference": "c5ea878b5a7f6a01b9a2f182f905831711b9ff3f",
+                "url": "https://api.github.com/repos/symfony/config/zipball/b3d4d7b567d7a49e6dfafb6d4760abc921177c96",
+                "reference": "b3d4d7b567d7a49e6dfafb6d4760abc921177c96",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.5.9",
-                "symfony/filesystem": "~2.8|~3.0"
+                "php": "^7.1.3",
+                "symfony/filesystem": "~3.4|~4.0",
+                "symfony/polyfill-ctype": "~1.8"
+            },
+            "conflict": {
+                "symfony/finder": "<3.4"
             },
             "require-dev": {
-                "symfony/yaml": "~3.0"
+                "symfony/dependency-injection": "~3.4|~4.0",
+                "symfony/event-dispatcher": "~3.4|~4.0",
+                "symfony/finder": "~3.4|~4.0",
+                "symfony/yaml": "~3.4|~4.0"
             },
             "suggest": {
                 "symfony/yaml": "To use the yaml reference dumper"
@@ -2381,7 +2980,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.2-dev"
+                    "dev-master": "4.1-dev"
                 }
             },
             "autoload": {
@@ -2408,43 +3007,49 @@
             ],
             "description": "Symfony Config Component",
             "homepage": "https://symfony.com",
-            "time": "2017-01-02 20:32:22"
+            "time": "2018-09-08T13:24:10+00:00"
         },
         {
             "name": "symfony/console",
-            "version": "v3.2.2",
+            "version": "v3.4.17",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/console.git",
-                "reference": "4f9e449e76996adf310498a8ca955c6deebe29dd"
+                "reference": "3b2b415d4c48fbefca7dc742aa0a0171bfae4e0b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/console/zipball/4f9e449e76996adf310498a8ca955c6deebe29dd",
-                "reference": "4f9e449e76996adf310498a8ca955c6deebe29dd",
+                "url": "https://api.github.com/repos/symfony/console/zipball/3b2b415d4c48fbefca7dc742aa0a0171bfae4e0b",
+                "reference": "3b2b415d4c48fbefca7dc742aa0a0171bfae4e0b",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.5.9",
-                "symfony/debug": "~2.8|~3.0",
+                "php": "^5.5.9|>=7.0.8",
+                "symfony/debug": "~2.8|~3.0|~4.0",
                 "symfony/polyfill-mbstring": "~1.0"
             },
+            "conflict": {
+                "symfony/dependency-injection": "<3.4",
+                "symfony/process": "<3.3"
+            },
             "require-dev": {
                 "psr/log": "~1.0",
-                "symfony/event-dispatcher": "~2.8|~3.0",
-                "symfony/filesystem": "~2.8|~3.0",
-                "symfony/process": "~2.8|~3.0"
+                "symfony/config": "~3.3|~4.0",
+                "symfony/dependency-injection": "~3.4|~4.0",
+                "symfony/event-dispatcher": "~2.8|~3.0|~4.0",
+                "symfony/lock": "~3.4|~4.0",
+                "symfony/process": "~3.3|~4.0"
             },
             "suggest": {
-                "psr/log": "For using the console logger",
+                "psr/log-implementation": "For using the console logger",
                 "symfony/event-dispatcher": "",
-                "symfony/filesystem": "",
+                "symfony/lock": "",
                 "symfony/process": ""
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.2-dev"
+                    "dev-master": "3.4-dev"
                 }
             },
             "autoload": {
@@ -2471,29 +3076,29 @@
             ],
             "description": "Symfony Console Component",
             "homepage": "https://symfony.com",
-            "time": "2017-01-08 20:47:33"
+            "time": "2018-10-02T16:33:53+00:00"
         },
         {
             "name": "symfony/css-selector",
-            "version": "v3.2.2",
+            "version": "v4.1.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/css-selector.git",
-                "reference": "f0e628f04fc055c934b3211cfabdb1c59eefbfaa"
+                "reference": "d67de79a70a27d93c92c47f37ece958bf8de4d8a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/css-selector/zipball/f0e628f04fc055c934b3211cfabdb1c59eefbfaa",
-                "reference": "f0e628f04fc055c934b3211cfabdb1c59eefbfaa",
+                "url": "https://api.github.com/repos/symfony/css-selector/zipball/d67de79a70a27d93c92c47f37ece958bf8de4d8a",
+                "reference": "d67de79a70a27d93c92c47f37ece958bf8de4d8a",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.5.9"
+                "php": "^7.1.3"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.2-dev"
+                    "dev-master": "4.1-dev"
                 }
             },
             "autoload": {
@@ -2524,37 +3129,36 @@
             ],
             "description": "Symfony CssSelector Component",
             "homepage": "https://symfony.com",
-            "time": "2017-01-02 20:32:22"
+            "time": "2018-10-02T16:36:10+00:00"
         },
         {
             "name": "symfony/debug",
-            "version": "v3.2.2",
+            "version": "v4.1.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/debug.git",
-                "reference": "810ba5c1c5352a4ddb15d4719e8936751dff0b05"
+                "reference": "e3f76ce6198f81994e019bb2b4e533e9de1b9b90"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/debug/zipball/810ba5c1c5352a4ddb15d4719e8936751dff0b05",
-                "reference": "810ba5c1c5352a4ddb15d4719e8936751dff0b05",
+                "url": "https://api.github.com/repos/symfony/debug/zipball/e3f76ce6198f81994e019bb2b4e533e9de1b9b90",
+                "reference": "e3f76ce6198f81994e019bb2b4e533e9de1b9b90",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.5.9",
+                "php": "^7.1.3",
                 "psr/log": "~1.0"
             },
             "conflict": {
-                "symfony/http-kernel": ">=2.3,<2.3.24|~2.4.0|>=2.5,<2.5.9|>=2.6,<2.6.2"
+                "symfony/http-kernel": "<3.4"
             },
             "require-dev": {
-                "symfony/class-loader": "~2.8|~3.0",
-                "symfony/http-kernel": "~2.8|~3.0"
+                "symfony/http-kernel": "~3.4|~4.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.2-dev"
+                    "dev-master": "4.1-dev"
                 }
             },
             "autoload": {
@@ -2581,43 +3185,51 @@
             ],
             "description": "Symfony Debug Component",
             "homepage": "https://symfony.com",
-            "time": "2017-01-02 20:32:22"
+            "time": "2018-10-02T16:36:10+00:00"
         },
         {
             "name": "symfony/dependency-injection",
-            "version": "v3.2.2",
+            "version": "v4.1.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/dependency-injection.git",
-                "reference": "22b2c97cffc6a612db82084f9e7823b095958751"
+                "reference": "f6b9d893ad28aefd8942dc0469c8397e2216fe30"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/dependency-injection/zipball/22b2c97cffc6a612db82084f9e7823b095958751",
-                "reference": "22b2c97cffc6a612db82084f9e7823b095958751",
+                "url": "https://api.github.com/repos/symfony/dependency-injection/zipball/f6b9d893ad28aefd8942dc0469c8397e2216fe30",
+                "reference": "f6b9d893ad28aefd8942dc0469c8397e2216fe30",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.5.9"
+                "php": "^7.1.3",
+                "psr/container": "^1.0"
             },
             "conflict": {
-                "symfony/yaml": "<3.2"
+                "symfony/config": "<4.1.1",
+                "symfony/finder": "<3.4",
+                "symfony/proxy-manager-bridge": "<3.4",
+                "symfony/yaml": "<3.4"
+            },
+            "provide": {
+                "psr/container-implementation": "1.0"
             },
             "require-dev": {
-                "symfony/config": "~2.8|~3.0",
-                "symfony/expression-language": "~2.8|~3.0",
-                "symfony/yaml": "~3.2"
+                "symfony/config": "~4.1",
+                "symfony/expression-language": "~3.4|~4.0",
+                "symfony/yaml": "~3.4|~4.0"
             },
             "suggest": {
                 "symfony/config": "",
                 "symfony/expression-language": "For using expressions in service container configuration",
+                "symfony/finder": "For using double-star glob patterns or when GLOB_BRACE portability is required",
                 "symfony/proxy-manager-bridge": "Generate service proxies to lazy load them",
                 "symfony/yaml": ""
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.2-dev"
+                    "dev-master": "4.1-dev"
                 }
             },
             "autoload": {
@@ -2644,28 +3256,29 @@
             ],
             "description": "Symfony DependencyInjection Component",
             "homepage": "https://symfony.com",
-            "time": "2017-01-10 14:21:25"
+            "time": "2018-10-02T12:40:59+00:00"
         },
         {
             "name": "symfony/dom-crawler",
-            "version": "v3.2.2",
+            "version": "v4.1.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/dom-crawler.git",
-                "reference": "27d9790840a4efd3b7bb8f5f4f9efc27b36b7024"
+                "reference": "80e60271bb288de2a2259662cff125cff4f93f95"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/dom-crawler/zipball/27d9790840a4efd3b7bb8f5f4f9efc27b36b7024",
-                "reference": "27d9790840a4efd3b7bb8f5f4f9efc27b36b7024",
+                "url": "https://api.github.com/repos/symfony/dom-crawler/zipball/80e60271bb288de2a2259662cff125cff4f93f95",
+                "reference": "80e60271bb288de2a2259662cff125cff4f93f95",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.5.9",
+                "php": "^7.1.3",
+                "symfony/polyfill-ctype": "~1.8",
                 "symfony/polyfill-mbstring": "~1.0"
             },
             "require-dev": {
-                "symfony/css-selector": "~2.8|~3.0"
+                "symfony/css-selector": "~3.4|~4.0"
             },
             "suggest": {
                 "symfony/css-selector": ""
@@ -2673,7 +3286,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.2-dev"
+                    "dev-master": "4.1-dev"
                 }
             },
             "autoload": {
@@ -2700,31 +3313,34 @@
             ],
             "description": "Symfony DomCrawler Component",
             "homepage": "https://symfony.com",
-            "time": "2017-01-02 20:32:22"
+            "time": "2018-10-02T12:40:59+00:00"
         },
         {
             "name": "symfony/event-dispatcher",
-            "version": "v3.2.2",
+            "version": "v4.1.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/event-dispatcher.git",
-                "reference": "9137eb3a3328e413212826d63eeeb0217836e2b6"
+                "reference": "bfb30c2ad377615a463ebbc875eba64a99f6aa3e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/event-dispatcher/zipball/9137eb3a3328e413212826d63eeeb0217836e2b6",
-                "reference": "9137eb3a3328e413212826d63eeeb0217836e2b6",
+                "url": "https://api.github.com/repos/symfony/event-dispatcher/zipball/bfb30c2ad377615a463ebbc875eba64a99f6aa3e",
+                "reference": "bfb30c2ad377615a463ebbc875eba64a99f6aa3e",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.5.9"
+                "php": "^7.1.3"
+            },
+            "conflict": {
+                "symfony/dependency-injection": "<3.4"
             },
             "require-dev": {
                 "psr/log": "~1.0",
-                "symfony/config": "~2.8|~3.0",
-                "symfony/dependency-injection": "~2.8|~3.0",
-                "symfony/expression-language": "~2.8|~3.0",
-                "symfony/stopwatch": "~2.8|~3.0"
+                "symfony/config": "~3.4|~4.0",
+                "symfony/dependency-injection": "~3.4|~4.0",
+                "symfony/expression-language": "~3.4|~4.0",
+                "symfony/stopwatch": "~3.4|~4.0"
             },
             "suggest": {
                 "symfony/dependency-injection": "",
@@ -2733,7 +3349,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.2-dev"
+                    "dev-master": "4.1-dev"
                 }
             },
             "autoload": {
@@ -2760,29 +3376,30 @@
             ],
             "description": "Symfony EventDispatcher Component",
             "homepage": "https://symfony.com",
-            "time": "2017-01-02 20:32:22"
+            "time": "2018-07-26T09:10:45+00:00"
         },
         {
             "name": "symfony/filesystem",
-            "version": "v3.2.2",
+            "version": "v4.1.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/filesystem.git",
-                "reference": "a0c6ef2dc78d33b58d91d3a49f49797a184d06f4"
+                "reference": "596d12b40624055c300c8b619755b748ca5cf0b5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/filesystem/zipball/a0c6ef2dc78d33b58d91d3a49f49797a184d06f4",
-                "reference": "a0c6ef2dc78d33b58d91d3a49f49797a184d06f4",
+                "url": "https://api.github.com/repos/symfony/filesystem/zipball/596d12b40624055c300c8b619755b748ca5cf0b5",
+                "reference": "596d12b40624055c300c8b619755b748ca5cf0b5",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.5.9"
+                "php": "^7.1.3",
+                "symfony/polyfill-ctype": "~1.8"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.2-dev"
+                    "dev-master": "4.1-dev"
                 }
             },
             "autoload": {
@@ -2809,29 +3426,29 @@
             ],
             "description": "Symfony Filesystem Component",
             "homepage": "https://symfony.com",
-            "time": "2017-01-08 20:47:33"
+            "time": "2018-10-02T12:40:59+00:00"
         },
         {
             "name": "symfony/finder",
-            "version": "v3.2.2",
+            "version": "v4.1.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/finder.git",
-                "reference": "8c71141cae8e2957946b403cc71a67213c0380d6"
+                "reference": "1f17195b44543017a9c9b2d437c670627e96ad06"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/finder/zipball/8c71141cae8e2957946b403cc71a67213c0380d6",
-                "reference": "8c71141cae8e2957946b403cc71a67213c0380d6",
+                "url": "https://api.github.com/repos/symfony/finder/zipball/1f17195b44543017a9c9b2d437c670627e96ad06",
+                "reference": "1f17195b44543017a9c9b2d437c670627e96ad06",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.5.9"
+                "php": "^7.1.3"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.2-dev"
+                    "dev-master": "4.1-dev"
                 }
             },
             "autoload": {
@@ -2858,20 +3475,132 @@
             ],
             "description": "Symfony Finder Component",
             "homepage": "https://symfony.com",
-            "time": "2017-01-02 20:32:22"
+            "time": "2018-10-03T08:47:56+00:00"
+        },
+        {
+            "name": "symfony/options-resolver",
+            "version": "v4.1.6",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/options-resolver.git",
+                "reference": "40f0e40d37c1c8a762334618dea597d64bbb75ff"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/options-resolver/zipball/40f0e40d37c1c8a762334618dea597d64bbb75ff",
+                "reference": "40f0e40d37c1c8a762334618dea597d64bbb75ff",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.1-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\OptionsResolver\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony OptionsResolver Component",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "config",
+                "configuration",
+                "options"
+            ],
+            "time": "2018-09-18T12:45:12+00:00"
+        },
+        {
+            "name": "symfony/polyfill-ctype",
+            "version": "v1.9.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-ctype.git",
+                "reference": "e3d826245268269cd66f8326bd8bc066687b4a19"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/e3d826245268269cd66f8326bd8bc066687b4a19",
+                "reference": "e3d826245268269cd66f8326bd8bc066687b4a19",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "suggest": {
+                "ext-ctype": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.9-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Ctype\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                },
+                {
+                    "name": "Gert de Pagter",
+                    "email": "BackEndTea@gmail.com"
+                }
+            ],
+            "description": "Symfony polyfill for ctype functions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "ctype",
+                "polyfill",
+                "portable"
+            ],
+            "time": "2018-08-06T14:22:27+00:00"
         },
         {
             "name": "symfony/polyfill-mbstring",
-            "version": "v1.3.0",
+            "version": "v1.9.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "e79d363049d1c2128f133a2667e4f4190904f7f4"
+                "reference": "d0cd638f4634c16d8df4508e847f14e9e43168b8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/e79d363049d1c2128f133a2667e4f4190904f7f4",
-                "reference": "e79d363049d1c2128f133a2667e4f4190904f7f4",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/d0cd638f4634c16d8df4508e847f14e9e43168b8",
+                "reference": "d0cd638f4634c16d8df4508e847f14e9e43168b8",
                 "shasum": ""
             },
             "require": {
@@ -2883,7 +3612,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.3-dev"
+                    "dev-master": "1.9-dev"
                 }
             },
             "autoload": {
@@ -2917,29 +3646,29 @@
                 "portable",
                 "shim"
             ],
-            "time": "2016-11-14 01:06:16"
+            "time": "2018-08-06T14:22:27+00:00"
         },
         {
             "name": "symfony/process",
-            "version": "v3.2.2",
+            "version": "v4.1.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/process.git",
-                "reference": "350e810019fc52dd06ae844b6a6d382f8a0e8893"
+                "reference": "ee33c0322a8fee0855afcc11fff81e6b1011b529"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/process/zipball/350e810019fc52dd06ae844b6a6d382f8a0e8893",
-                "reference": "350e810019fc52dd06ae844b6a6d382f8a0e8893",
+                "url": "https://api.github.com/repos/symfony/process/zipball/ee33c0322a8fee0855afcc11fff81e6b1011b529",
+                "reference": "ee33c0322a8fee0855afcc11fff81e6b1011b529",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.5.9"
+                "php": "^7.1.3"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.2-dev"
+                    "dev-master": "4.1-dev"
                 }
             },
             "autoload": {
@@ -2966,27 +3695,31 @@
             ],
             "description": "Symfony Process Component",
             "homepage": "https://symfony.com",
-            "time": "2017-01-02 20:32:22"
+            "time": "2018-10-02T12:40:59+00:00"
         },
         {
             "name": "symfony/yaml",
-            "version": "v3.2.2",
+            "version": "v4.1.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "50eadbd7926e31842893c957eca362b21592a97d"
+                "reference": "367e689b2fdc19965be435337b50bc8adf2746c9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/yaml/zipball/50eadbd7926e31842893c957eca362b21592a97d",
-                "reference": "50eadbd7926e31842893c957eca362b21592a97d",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/367e689b2fdc19965be435337b50bc8adf2746c9",
+                "reference": "367e689b2fdc19965be435337b50bc8adf2746c9",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.5.9"
+                "php": "^7.1.3",
+                "symfony/polyfill-ctype": "~1.8"
+            },
+            "conflict": {
+                "symfony/console": "<3.4"
             },
             "require-dev": {
-                "symfony/console": "~2.8|~3.0"
+                "symfony/console": "~3.4|~4.0"
             },
             "suggest": {
                 "symfony/console": "For validating YAML files using the lint command"
@@ -2994,7 +3727,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.2-dev"
+                    "dev-master": "4.1-dev"
                 }
             },
             "autoload": {
@@ -3021,7 +3754,7 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2017-01-03 13:51:32"
+            "time": "2018-10-02T16:36:10+00:00"
         },
         {
             "name": "tan-tan-kanarek/github-php-client",
@@ -3048,20 +3781,20 @@
                 "proprietary"
             ],
             "description": "PHP client for the Github API",
-            "time": "2015-11-16 08:36:41"
+            "time": "2015-11-16T08:36:41+00:00"
         },
         {
             "name": "theseer/directoryscanner",
-            "version": "1.3.1",
+            "version": "1.3.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/theseer/DirectoryScanner.git",
-                "reference": "b1406a99f5e4b1761c84d9e98127c03871bb7b0e"
+                "reference": "549aa9fdbc47d50365db42d9ade35fdef65f854c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/theseer/DirectoryScanner/zipball/b1406a99f5e4b1761c84d9e98127c03871bb7b0e",
-                "reference": "b1406a99f5e4b1761c84d9e98127c03871bb7b0e",
+                "url": "https://api.github.com/repos/theseer/DirectoryScanner/zipball/549aa9fdbc47d50365db42d9ade35fdef65f854c",
+                "reference": "549aa9fdbc47d50365db42d9ade35fdef65f854c",
                 "shasum": ""
             },
             "require": {
@@ -3090,20 +3823,20 @@
                 }
             ],
             "description": "A recursive directory scanner and filter",
-            "time": "2014-11-25 14:27:49"
+            "time": "2015-03-24T21:28:20+00:00"
         },
         {
             "name": "theseer/fdomdocument",
-            "version": "1.6.1",
+            "version": "1.6.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/theseer/fDOMDocument.git",
-                "reference": "d9ad139d6c2e8edf5e313ffbe37ff13344cf0684"
+                "reference": "6e8203e40a32a9c770bcb62fe37e68b948da6dca"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/theseer/fDOMDocument/zipball/d9ad139d6c2e8edf5e313ffbe37ff13344cf0684",
-                "reference": "d9ad139d6c2e8edf5e313ffbe37ff13344cf0684",
+                "url": "https://api.github.com/repos/theseer/fDOMDocument/zipball/6e8203e40a32a9c770bcb62fe37e68b948da6dca",
+                "reference": "6e8203e40a32a9c770bcb62fe37e68b948da6dca",
                 "shasum": ""
             },
             "require": {
@@ -3130,7 +3863,7 @@
             ],
             "description": "The classes contained within this repository extend the standard DOM to use exceptions at all occasions of errors instead of PHP warnings or notices. They also add various custom methods and shortcuts for convenience and to simplify the usage of DOM.",
             "homepage": "https://github.com/theseer/fDOMDocument",
-            "time": "2015-05-27 22:58:02"
+            "time": "2017-06-30T11:53:12+00:00"
         },
         {
             "name": "theseer/fxsl",
@@ -3175,7 +3908,7 @@
                 }
             ],
             "description": "An XSL wrapper / extension to the PHP 5.x XSLTProcessor with Exception and extended Callback support",
-            "time": "2014-11-27 20:08:52"
+            "time": "2014-11-27T20:08:52+00:00"
         },
         {
             "name": "theseer/phpdox",
@@ -3226,7 +3959,47 @@
                 }
             ],
             "description": "A fast Documentation generator for PHP Code using standard technology (SRC, DOCBLOCK, XML and XSLT) with event based processing",
-            "time": "2015-07-09 18:46:38"
+            "time": "2015-07-09T18:46:38+00:00"
+        },
+        {
+            "name": "theseer/tokenizer",
+            "version": "1.1.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/theseer/tokenizer.git",
+                "reference": "cb2f008f3f05af2893a87208fe6a6c4985483f8b"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/theseer/tokenizer/zipball/cb2f008f3f05af2893a87208fe6a6c4985483f8b",
+                "reference": "cb2f008f3f05af2893a87208fe6a6c4985483f8b",
+                "shasum": ""
+            },
+            "require": {
+                "ext-dom": "*",
+                "ext-tokenizer": "*",
+                "ext-xmlwriter": "*",
+                "php": "^7.0"
+            },
+            "type": "library",
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Arne Blankerts",
+                    "email": "arne@blankerts.de",
+                    "role": "Developer"
+                }
+            ],
+            "description": "A small library for converting tokenized PHP source code into XML and potentially other formats",
+            "time": "2017-04-07T12:08:54+00:00"
         }
     ],
     "aliases": [],
@@ -3235,7 +4008,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": ">=5.6.0"
+        "php": ">=7.0"
     },
     "platform-dev": []
 }
diff --git a/src/DateTime/RhubarbDateTime.php b/src/DateTime/RhubarbDateTime.php
index e8f5124..8eea472 100644
--- a/src/DateTime/RhubarbDateTime.php
+++ b/src/DateTime/RhubarbDateTime.php
@@ -14,21 +14,104 @@
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
+ *
+ * Logic usage from the Carbon PHP project version 1.* as licensed under the MIT License as follows:
+ *
+ * BEGIN CARBON LICENSE
+ *
+ * <https://github.com/briannesbitt/Carbon/blob/master/LICENSE#L1>
+ * Copyright (C) Brian Nesbitt
+ *
+ *  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.
+ *
+ * END CARBON LICENSE
  */
 
 namespace Rhubarb\Crown\DateTime;
 
 use DateTime;
 use DateTimeZone;
+use InvalidArgumentException;
 
 /**
  * Extends the PHP DateTime object by adding a toString() method
  *
  * Incidentally we've prefixed the class name to avoid the easy mistake of using the base class by accident.
+ *
+ * Usage of logic defined in Carbon 1
+ *
+ * @property      int $year
+ * @property      int $yearIso
+ * @property      int $month
+ * @property      int $day
+ * @property      int $hour
+ * @property      int $minute
+ * @property      int $second
+ * @property-read int $dayOfWeek 0 (for Sunday) through 6 (for Saturday)
+ * @property-read int $dayOfWeekIso 1 (for Monday) through 7 (for Sunday)
+ * @property-read int $dayOfYear 0 through 365
+ * @property-read int $weekOfMonth 1 through 5
+ * @property-read int $weekNumberInMonth 1 through 5
+ * @property-read int $weekOfYear ISO-8601 week number of year, weeks starting on Monday
+ * @property-read int $daysInMonth number of days in the given month
+ * @property-read int $quarter the quarter of this instance, 1 - 4
+ * @property-read int $offset the timezone offset in seconds from UTC
+ * @property-read int $offsetHours the timezone offset in hours from UTC
+ * @property-read bool $dst daylight savings time indicator, true if DST, false otherwise
+ * @property-read bool $local checks if the timezone is local, true if local, false otherwise
+ * @property-read bool $utc checks if the timezone is UTC, true if UTC, false otherwise
+ * @property-read string $timezoneName
+ * @property-read string $tzName
+ * @property-read string $englishDayOfWeek the day of week in English
+ * @property-read string $shortEnglishDayOfWeek the abbreviated day of week in English
+ * @property-read string $englishMonth the month in English
+ * @property-read string $shortEnglishMonth the abbreviated month in English
+ * @property-read string $localeDayOfWeek the day of week in current locale LC_TIME
+ * @property-read string $shortLocaleDayOfWeek the abbreviated day of week in current locale LC_TIME
+ * @property-read string $localeMonth the month in current locale LC_TIME
+ * @property-read string $shortLocaleMonth the abbreviated month in current locale LC_TIME
  */
-class RhubarbDateTime extends \DateTime implements \JsonSerializable
+class RhubarbDateTime extends \DateTime implements RhubarbDateTimeInterface
 {
-    const INVALID_DATE = "0000-01-01 00:00:00";
+    /**
+     * First day of week.
+     *
+     * @var int
+     */
+    protected static $weekStartsAt = self::MONDAY;
+
+    /**
+     * Last day of week.
+     *
+     * @var int
+     */
+    protected static $weekEndsAt = self::SUNDAY;
+
+    /**
+     * Days of weekend.
+     *
+     * @var array
+     */
+    protected static $weekendDays = [
+        self::SATURDAY,
+        self::SUNDAY
+    ];
 
     public function __construct($dateValue = '', DateTimeZone $timezone = null)
     {
@@ -66,6 +149,138 @@ public function __construct($dateValue = '', DateTimeZone $timezone = null)
         }
     }
 
+    /**
+     * Get a part of the RhubarbDateTime object
+     *
+     * @param string $name
+     *
+     * @throws \InvalidArgumentException
+     *
+     * @return string|int|bool|\DateTimeZone
+     */
+    public function __get($name)
+    {
+        static $formats = [
+            'year'                  => 'Y',
+            'yearIso'               => 'o',
+            'month'                 => 'n',
+            'day'                   => 'j',
+            'hour'                  => 'G',
+            'minute'                => 'i',
+            'second'                => 's',
+            'micro'                 => 'u',
+            'dayOfWeek'             => 'w',
+            'dayOfWeekIso'          => 'N',
+            'dayOfYear'             => 'z',
+            'weekOfYear'            => 'W',
+            'daysInMonth'           => 't',
+            'timestamp'             => 'U',
+            'englishDayOfWeek'      => 'l',
+            'shortEnglishDayOfWeek' => 'D',
+            'englishMonth'          => 'F',
+            'shortEnglishMonth'     => 'M',
+            'localeDayOfWeek'       => '%A',
+            'shortLocaleDayOfWeek'  => '%a',
+            'localeMonth'           => '%B',
+            'shortLocaleMonth'      => '%b',
+        ];
+
+        switch (true) {
+            case isset($formats[$name]):
+                $format = $formats[$name];
+                $method = substr($format, 0, 1) === '%' ? 'formatLocalized' : 'format';
+                $value = $this->$method($format);
+
+                return is_numeric($value) ? (int) $value : $value;
+
+            case $name === 'weekOfMonth':
+                return (int) ceil($this->day / static::DAYS_PER_WEEK);
+
+            case $name === 'weekNumberInMonth':
+                return (int) ceil(($this->day + $this->copy()->startOfMonth()->dayOfWeek - 1) / static::DAYS_PER_WEEK);
+
+            case $name === 'quarter':
+                return (int) ceil($this->month / static::MONTHS_PER_QUARTER);
+
+            case $name === 'offset':
+                return $this->getOffset();
+
+            case $name === 'offsetHours':
+                return $this->getOffset() / static::SECONDS_PER_MINUTE / static::MINUTES_PER_HOUR;
+
+            case $name === 'dst':
+                return $this->format('I') === '1';
+
+            case $name === 'local':
+                return $this->getOffset() === $this->copy()->setTimezone(new DateTimeZone(date_default_timezone_get()))->getOffset();
+
+            case $name === 'utc':
+                return $this->getOffset() === 0;
+
+            case $name === 'timezone' || $name === 'tz':
+                return $this->getTimezone();
+
+            case $name === 'timezoneName' || $name === 'tzName':
+                return $this->getTimezone()->getName();
+
+            default:
+                throw new InvalidArgumentException(sprintf("Unknown getter '%s'", $name));
+        }
+    }
+
+    /**
+     * Set a part of the Carbon object
+     *
+     * @param string                   $name
+     * @param string|int|\DateTimeZone $value
+     *
+     * @throws \InvalidArgumentException
+     *
+     * @return void
+     */
+    public function __set($name, $value)
+    {
+        switch ($name) {
+            case 'year':
+            case 'month':
+            case 'day':
+            case 'hour':
+            case 'minute':
+            case 'second':
+                list($year, $month, $day, $hour, $minute, $second) = explode('-', $this->format('Y-n-j-G-i-s'));
+                $$name = $value;
+                $this->setDateTime($year, $month, $day, $hour, $minute, $second);
+                break;
+
+            case 'timestamp':
+                parent::setTimestamp($value);
+                break;
+
+            case 'timezone':
+            case 'tz':
+                $this->setTimezone($value);
+                break;
+
+            default:
+                throw new InvalidArgumentException(sprintf("Unknown setter '%s'", $name));
+        }
+    }
+
+    /**
+     * Get a copy of the instance.
+     *
+     * @return static
+     */
+    public function copy()
+    {
+        return clone $this;
+    }
+
+    /**
+     * @param \DateTimeInterface $datetime2
+     * @param bool $absolute
+     * @return bool|\DateInterval|RhubarbDateInterval
+     */
     public function diff($datetime2, $absolute = false)
     {
         $interval = parent::diff($datetime2, $absolute);
@@ -73,11 +288,18 @@ public function diff($datetime2, $absolute = false)
         return RhubarbDateInterval::createFromDateInterval($interval);
     }
 
+    /**
+     * @return bool
+     */
     public function isValidDateTime()
     {
         return (parent::format("Y-m-d H:i:s") != self::INVALID_DATE);
     }
 
+    /**
+     * @param string $format
+     * @return string
+     */
     public function format($format)
     {
         if (!$this->isValidDateTime()) {
@@ -87,11 +309,17 @@ public function format($format)
         return parent::format($format);
     }
 
+    /**
+     * @return string
+     */
     public function __toString()
     {
-        return $this->format("d-M-Y");
+        return $this->format(self::DEFAULT_TO_STRING_FORMAT);
     }
 
+    /**
+     * @return mixed|null|string
+     */
     public function jsonSerialize()
     {
         if (!$this->isValidDateTime()) {
@@ -101,6 +329,144 @@ public function jsonSerialize()
         return $this->format(DateTime::ISO8601);
     }
 
+    /**
+     * Set the instance's year
+     *
+     * @param int $value
+     *
+     * @return static
+     */
+    public function year($value)
+    {
+        $this->year = $value;
+
+        return $this;
+    }
+
+    /**
+     * Set the instance's month
+     *
+     * @param int $value
+     *
+     * @return static
+     */
+    public function month($value)
+    {
+        $this->month = $value;
+
+        return $this;
+    }
+
+    /**
+     * Set the instance's day
+     *
+     * @param int $value
+     *
+     * @return static
+     */
+    public function day($value)
+    {
+        $this->day = $value;
+
+        return $this;
+    }
+
+    /**
+     * Set the instance's hour
+     *
+     * @param int $value
+     *
+     * @return static
+     */
+    public function hour($value)
+    {
+        $this->hour = $value;
+
+        return $this;
+    }
+
+    /**
+     * Set the instance's minute
+     *
+     * @param int $value
+     *
+     * @return static
+     */
+    public function minute($value)
+    {
+        $this->minute = $value;
+
+        return $this;
+    }
+
+    /**
+     * Set the instance's second
+     *
+     * @param int $value
+     *
+     * @return static
+     */
+    public function second($value)
+    {
+        $this->second = $value;
+
+        return $this;
+    }
+
+    /**
+     * Sets the current date of the DateTime object to a different date.
+     * Calls modify as a workaround for a php bug
+     *
+     * @param int $year
+     * @param int $month
+     * @param int $day
+     *
+     * @return static
+     *
+     * @see https://github.com/briannesbitt/Carbon/issues/539
+     * @see https://bugs.php.net/bug.php?id=63863
+     */
+    public function setDate($year, $month, $day)
+    {
+        $this->modify('+0 day');
+
+        return parent::setDate($year, $month, $day);
+    }
+
+    /**
+     * Set the date and time all together
+     *
+     * @param int $year
+     * @param int $month
+     * @param int $day
+     * @param int $hour
+     * @param int $minute
+     * @param int $second
+     *
+     * @return static
+     */
+    public function setDateTime($year, $month, $day, $hour, $minute, $second = 0)
+    {
+        return $this->setDate($year, $month, $day)->setTime($hour, $minute, $second);
+    }
+
+    /**
+     * Create a RhubarbDateTime instance from a string.
+     *
+     * This is an alias for the constructor that allows better fluent syntax
+     * as it allows you to do RhubarbDateTime::parse('Monday next week')->fn() rather
+     * than (new RhubarbDateTime('Monday next week'))->fn().
+     *
+     * @param string|null               $time
+     * @param \DateTimeZone|string|null $tz
+     *
+     * @return static
+     */
+    public static function parse($time = null, $tz = null)
+    {
+        return new static($time, $tz);
+    }
+
     /**
      * Returns the date of the Monday of this week.
      *
@@ -127,7 +493,7 @@ public static function previousMonday($referenceDate = null)
      *
      * @param string $format Format accepted by date().
      * @param string $time String representing the time.
-     * @param $timezone A DateTimeZone object representing the desired time zone.
+     * @param $timezone DateTimeZone object representing the desired time zone.
      *
      * @return RhubarbDateTime
      */
@@ -141,6 +507,18 @@ public static function createFromFormat($format, $time, $timezone = null)
         return new self($dateTime, $timezone);
     }
 
+    /**
+     * Get a Carbon instance for the current date and time.
+     *
+     * @param \DateTimeZone|string|null $tz
+     *
+     * @return static
+     */
+    public static function now($tz = null)
+    {
+        return new static(null, $tz);
+    }
+
     /**
      * Applies an $interval of $unit
      *
@@ -156,4 +534,197 @@ public function applyDateInterval($interval, $unit)
             $this->sub(new RhubarbDateInterval("P{$interval}{$unit}"));
         }
     }
+
+    /**
+     * Add days to the instance. Positive $value travels forward while
+     * negative $value travels into the past.
+     *
+     * @param int $value
+     *
+     * @return static
+     */
+    public function addDays($value)
+    {
+        return $this->modify((int) $value.' day');
+    }
+
+    /**
+     * Add a day to the instance
+     *
+     * @param int $value
+     *
+     * @return static
+     */
+    public function addDay($value = 1)
+    {
+        return $this->addDays($value);
+    }
+
+    /**
+     * Remove days from the instance
+     *
+     * @param int $value
+     *
+     * @return static
+     */
+    public function subDays($value)
+    {
+        return $this->addDays(-1 * $value);
+    }
+
+    /**
+     * Remove a day from the instance
+     *
+     * @param int $value
+     *
+     * @return static
+     */
+    public function subDay($value = 1)
+    {
+        return $this->subDays($value);
+    }
+
+    /**
+     * Resets the time to 00:00:00 start of day
+     *
+     * @return static
+     */
+    public function startOfDay()
+    {
+        return $this->modify('00:00:00.000000');
+    }
+
+    /**
+     * Resets the time to 23:59:59 end of day
+     *
+     * @return static
+     */
+    public function endOfDay()
+    {
+        return $this->modify('23.59.59.999999');
+    }
+
+    /**
+     * Resets the date to the first day of week (defined in $weekStartsAt) and the time to 00:00:00
+     *
+     * @param int $weekStartsAt optional start allow you to specify the day of week to use to start the week
+     *
+     * @return static
+     */
+    public function startOfWeek($weekStartsAt = null)
+    {
+        $date = $this;
+        while ($date->dayOfWeek !== ($weekStartsAt ?? static::$weekStartsAt)) {
+            $date = $date->subDay();
+        }
+
+        return $date->startOfDay();
+    }
+
+    /**
+     * Resets the date to end of week (defined in $weekEndsAt) and time to 23:59:59
+     *
+     * @param int $weekEndsAt optional start allow you to specify the day of week to use to end the week
+     *
+     * @return static
+     */
+    public function endOfWeek($weekEndsAt = null)
+    {
+        $date = $this;
+        while ($date->dayOfWeek !== ($weekEndsAt ?? static::$weekEndsAt)) {
+            $date = $date->addDay();
+        }
+
+        return $date->endOfDay();
+    }
+
+    /**
+     * Resets the date to the first day of the month and the time to 00:00:00
+     *
+     * @return static
+     */
+    public function startOfMonth()
+    {
+        return $this->setDate($this->year, $this->month, 1)->startOfDay();
+    }
+
+    /**
+     * Resets the date to end of the month and time to 23:59:59
+     *
+     * @return static
+     */
+    public function endOfMonth()
+    {
+        return $this->setDate($this->year, $this->month, $this->daysInMonth)->endOfDay();
+    }
+
+    /**
+     * Determines if the instance is a weekday.
+     *
+     * @return bool
+     */
+    public function isWeekday()
+    {
+        return !$this->isWeekend();
+    }
+
+    /**
+     * Determines if the instance is a weekend day.
+     *
+     * @return bool
+     */
+    public function isWeekend()
+    {
+        return in_array($this->dayOfWeek, static::$weekendDays);
+    }
+
+    /**
+     * Format the instance as date
+     *
+     * @return string
+     */
+    public function toDateString()
+    {
+        return $this->format('Y-m-d');
+    }
+
+    /**
+     * Format the instance as a readable date
+     *
+     * @return string
+     */
+    public function toFormattedDateString()
+    {
+        return $this->format('M j, Y');
+    }
+
+    /**
+     * Format the instance as time
+     *
+     * @return string
+     */
+    public function toTimeString()
+    {
+        return $this->format('H:i:s');
+    }
+
+    /**
+     * Format the instance as date and time
+     *
+     * @return string
+     */
+    public function toDateTimeString()
+    {
+        return $this->format('Y-m-d H:i:s');
+    }
+
+    /**
+     * Format the instance with day, date and time
+     *
+     * @return string
+     */
+    public function toDayDateTimeString()
+    {
+        return $this->format('D, M j, Y g:i A');
+    }
 }
diff --git a/src/DateTime/RhubarbDateTimeInterface.php b/src/DateTime/RhubarbDateTimeInterface.php
new file mode 100644
index 0000000..dc3c133
--- /dev/null
+++ b/src/DateTime/RhubarbDateTimeInterface.php
@@ -0,0 +1,135 @@
+<?php
+
+/**
+ * Copyright (c) 2016 RhubarbPHP.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Rhubarb\Crown\DateTime;
+
+interface RhubarbDateTimeInterface extends \DateTimeInterface, \JsonSerializable
+{
+    /**
+     * The day constants.
+     */
+    const SUNDAY    = 0;
+    const MONDAY    = 1;
+    const TUESDAY   = 2;
+    const WEDNESDAY = 3;
+    const THURSDAY  = 4;
+    const FRIDAY    = 5;
+    const SATURDAY  = 6;
+
+    /**
+     * Number of X in Y.
+     */
+    const YEARS_PER_MILLENNIUM = 1000;
+    const YEARS_PER_CENTURY = 100;
+    const YEARS_PER_DECADE = 10;
+    const MONTHS_PER_YEAR = 12;
+    const MONTHS_PER_QUARTER = 3;
+    const WEEKS_PER_YEAR = 52;
+    const WEEKS_PER_MONTH = 4;
+    const DAYS_PER_WEEK = 7;
+    const HOURS_PER_DAY = 24;
+    const MINUTES_PER_HOUR = 60;
+    const SECONDS_PER_MINUTE = 60;
+    const MICROSECONDS_PER_SECOND = 1000000;
+
+    /**
+     * RFC7231 DateTime format.
+     *
+     * @var string
+     */
+    const RFC7231_FORMAT = 'D, d M Y H:i:s \G\M\T';
+
+    /**
+     * Default format to use for __toString method when type juggling occurs.
+     *
+     * @var string
+     */
+    const DEFAULT_TO_STRING_FORMAT = 'd-M-Y';
+
+    /**
+     * Format for converting mocked time, includes microseconds.
+     *
+     * @var string
+     */
+    const MOCK_DATETIME_FORMAT = 'Y-m-d H:i:s.u';
+
+    /**
+     * An invalid date format.
+     *
+     * @var string
+     */
+    const INVALID_DATE = "0000-01-01 00:00:00";
+
+    public function year($value);
+
+    public function month($value);
+
+    public function day($value);
+
+    public function hour($value);
+
+    public function minute($value);
+
+    public function second($value);
+
+    public function setDate($year, $month, $day);
+
+    public function setDateTime($year, $month, $day, $hour, $minute, $second = 0);
+
+    public static function parse($time = null, $tz = null);
+
+    public static function createFromFormat($format, $time, $timezone = null);
+
+    public static function previousMonday($referenceDate = null);
+
+    public function applyDateInterval($interval, $unit);
+
+    public function addDays($value);
+
+    public function addDay($value);
+
+    public function subDays($value);
+
+    public function subDay($value);
+
+    public function startOfDay();
+
+    public function endOfDay();
+
+    public function startOfWeek($weekStartsAt = null);
+
+    public function endOfWeek($weekEndsAt = null);
+
+    public function startOfMonth();
+
+    public function endOfMonth();
+
+    public function isWeekday();
+
+    public function isWeekend();
+
+    public function toDateString();
+
+    public function toFormattedDateString();
+
+    public function toTimeString();
+
+    public function toDateTimeString();
+
+    public function toDayDateTimeString();
+}
\ No newline at end of file
diff --git a/tests/unit/DateTime/RhubarbDateTimeTest.php b/tests/unit/DateTime/RhubarbDateTimeTest.php
index bc1f7bf..6dd331b 100644
--- a/tests/unit/DateTime/RhubarbDateTimeTest.php
+++ b/tests/unit/DateTime/RhubarbDateTimeTest.php
@@ -135,4 +135,63 @@ public function testPreviousMonday()
 
         $this->assertEquals("20140324", $newDate->format("Ymd"));
     }
+
+    public function testAddDays()
+    {
+        $refDate = new RhubarbDate('2018-01-10');
+        $refDate->addDays(5);
+
+        $this->assertEquals('20180115', $refDate->format("Ymd"));
+    }
+
+    public function testSubDays()
+    {
+        $refDate = new RhubarbDate('2018-01-10');
+        $refDate->subDays(5);
+
+        $this->assertEquals('20180105', $refDate->format("Ymd"));
+    }
+
+    public function testStartOfWeek()
+    {
+        $refDate = new RhubarbDateTime('2018-10-04');
+
+        $this->assertEquals('20181001', $refDate->startOfWeek()->format('Ymd'));
+    }
+
+    public function testEndOfWeek()
+    {
+        $refDate = new RhubarbDateTime('2018-10-04');
+
+        $this->assertEquals('20181007', $refDate->endOfWeek()->format('Ymd'));
+    }
+
+    public function testEnglishDayOfWeek()
+    {
+        $refDate = new RhubarbDateTime('2018-10-04');
+
+        $this->assertEquals('Thursday', $refDate->englishDayOfWeek);
+    }
+
+    public function testShortEnglishDayOfWeek()
+    {
+        $refDate = new RhubarbDateTime('2018-10-04');
+
+        $this->assertEquals('Thu', $refDate->shortEnglishDayOfWeek);
+    }
+
+    public function testParseFullDate()
+    {
+        $refDate = RhubarbDateTime::parse('2018-01-11');
+
+        $this->assertEquals('20180111', $refDate->format('Ymd'));
+    }
+
+    public function testParseStringDate()
+    {
+        $actualDate = date('Ymd', strtotime('last Sunday', strtotime('today')));
+        $testDate   = RhubarbDateTime::parse('last Sunday');
+
+        $this->assertEquals($actualDate, $testDate->format('Ymd'));
+    }
 }