diff --git a/package-lock.json b/package-lock.json
index f8fdd4a..73194ae 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3924,7 +3924,8 @@
         },
         "ansi-regex": {
           "version": "2.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -3942,11 +3943,13 @@
         },
         "balanced-match": {
           "version": "1.0.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
+          "optional": true,
           "requires": {
             "balanced-match": "1.0.0",
             "concat-map": "0.0.1"
@@ -3959,15 +3962,18 @@
         },
         "code-point-at": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -4070,7 +4076,8 @@
         },
         "inherits": {
           "version": "2.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -4080,6 +4087,7 @@
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "1.0.1"
           }
@@ -4092,17 +4100,20 @@
         "minimatch": {
           "version": "3.0.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "1.1.11"
           }
         },
         "minimist": {
           "version": "0.0.8",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "5.1.1",
             "yallist": "3.0.2"
@@ -4119,6 +4130,7 @@
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -4191,7 +4203,8 @@
         },
         "number-is-nan": {
           "version": "1.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -4201,6 +4214,7 @@
         "once": {
           "version": "1.4.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "wrappy": "1.0.2"
           }
@@ -4276,7 +4290,8 @@
         },
         "safe-buffer": {
           "version": "5.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -4306,6 +4321,7 @@
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
+          "optional": true,
           "requires": {
             "code-point-at": "1.1.0",
             "is-fullwidth-code-point": "1.0.0",
@@ -4323,6 +4339,7 @@
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "2.1.1"
           }
@@ -4361,11 +4378,13 @@
         },
         "wrappy": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         }
       }
     },
@@ -8871,14 +8890,14 @@
       }
     },
     "react-dom": {
-      "version": "16.4.1",
-      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-16.4.1.tgz",
-      "integrity": "sha512-1Gin+wghF/7gl4Cqcvr1DxFX2Osz7ugxSwl6gBqCMpdrxHjIFUS7GYxrFftZ9Ln44FHw0JxCFD9YtZsrbR5/4A==",
-      "requires": {
-        "fbjs": "0.8.17",
-        "loose-envify": "1.4.0",
-        "object-assign": "4.1.1",
-        "prop-types": "15.6.2"
+      "version": "16.4.2",
+      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-16.4.2.tgz",
+      "integrity": "sha512-Usl73nQqzvmJN+89r97zmeUpQDKDlh58eX6Hbs/ERdDHzeBzWy+ENk7fsGQ+5KxArV1iOFPT46/VneklK9zoWw==",
+      "requires": {
+        "fbjs": "^0.8.16",
+        "loose-envify": "^1.1.0",
+        "object-assign": "^4.1.1",
+        "prop-types": "^15.6.0"
       }
     },
     "react-error-overlay": {
diff --git a/package.json b/package.json
index f84ecf5..df8c82e 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "dependencies": {
     "react": "^16.4.1",
     "react-bootstrap": "^0.32.1",
-    "react-dom": "^16.4.1",
+    "react-dom": "^16.4.2",
     "react-router-dom": "^5.1.2",
     "react-scripts": "1.1.4"
   },
diff --git a/yarn.lock b/yarn.lock
index 6dc57d9..1478a09 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,6 +2,19 @@
 # yarn lockfile v1
 
 
+"@babel/runtime-corejs2@^7.0.0":
+  version "7.7.2"
+  resolved "https://registry.yarnpkg.com/@babel/runtime-corejs2/-/runtime-corejs2-7.7.2.tgz#5a8c4e2f8688ce58adc9eb1d8320b6e7341f96ce"
+  dependencies:
+    core-js "^2.6.5"
+    regenerator-runtime "^0.13.2"
+
+"@babel/runtime@^7.1.2", "@babel/runtime@^7.4.0":
+  version "7.7.2"
+  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.7.2.tgz#111a78002a5c25fc8e3361bedc9529c696b85a6a"
+  dependencies:
+    regenerator-runtime "^0.13.2"
+
 abab@^1.0.3:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/abab/-/abab-1.0.4.tgz#5faad9c2c07f60dd76770f71cf025b62a63cfd4e"
@@ -1427,6 +1440,10 @@ class-utils@^0.3.5:
     isobject "^3.0.0"
     static-extend "^0.1.1"
 
+classnames@^2.2.5:
+  version "2.2.6"
+  resolved "https://registry.yarnpkg.com/classnames/-/classnames-2.2.6.tgz#43935bffdd291f326dad0a205309b38d00f650ce"
+
 clean-css@4.1.x:
   version "4.1.11"
   resolved "https://registry.yarnpkg.com/clean-css/-/clean-css-4.1.11.tgz#2ecdf145aba38f54740f26cefd0ff3e03e125d6a"
@@ -1650,6 +1667,10 @@ core-js@^2.4.0, core-js@^2.5.0:
   version "2.5.7"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.7.tgz#f972608ff0cead68b841a16a932d0b183791814e"
 
+core-js@^2.6.5:
+  version "2.6.10"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.10.tgz#8a5b8391f8cc7013da703411ce5b585706300d7f"
+
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
@@ -2043,6 +2064,12 @@ dom-converter@~0.1:
   dependencies:
     utila "~0.3"
 
+dom-helpers@^3.2.0, dom-helpers@^3.2.1, dom-helpers@^3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/dom-helpers/-/dom-helpers-3.4.0.tgz#e9b369700f959f62ecde5a6babde4bccd9169af8"
+  dependencies:
+    "@babel/runtime" "^7.1.2"
+
 dom-serializer@0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/dom-serializer/-/dom-serializer-0.1.0.tgz#073c697546ce0780ce23be4a28e293e40bc30c82"
@@ -3007,6 +3034,10 @@ growly@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/growly/-/growly-1.3.0.tgz#f10748cbe76af964b7c96c93c6bcc28af120c081"
 
+gud@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/gud/-/gud-1.0.0.tgz#a489581b17e6a70beca9abe3ae57de7a499852c0"
+
 gzip-size@3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/gzip-size/-/gzip-size-3.0.0.tgz#546188e9bdc337f673772f81660464b389dce520"
@@ -3111,6 +3142,17 @@ he@1.1.x:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/he/-/he-1.1.1.tgz#93410fd21b009735151f8868c2f271f3427e23fd"
 
+history@^4.9.0:
+  version "4.10.1"
+  resolved "https://registry.yarnpkg.com/history/-/history-4.10.1.tgz#33371a65e3a83b267434e2b3f3b1b4c58aad4cf3"
+  dependencies:
+    "@babel/runtime" "^7.1.2"
+    loose-envify "^1.2.0"
+    resolve-pathname "^3.0.0"
+    tiny-invariant "^1.0.2"
+    tiny-warning "^1.0.0"
+    value-equal "^1.0.1"
+
 hmac-drbg@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
@@ -3119,6 +3161,12 @@ hmac-drbg@^1.0.0:
     minimalistic-assert "^1.0.0"
     minimalistic-crypto-utils "^1.0.1"
 
+hoist-non-react-statics@^3.1.0:
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/hoist-non-react-statics/-/hoist-non-react-statics-3.3.1.tgz#101685d3aff3b23ea213163f6e8e12f4f111e19f"
+  dependencies:
+    react-is "^16.7.0"
+
 home-or-tmp@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/home-or-tmp/-/home-or-tmp-2.0.0.tgz#e36c3f2d2cae7d746a857e38d18d5f32a7882db8"
@@ -3357,7 +3405,7 @@ interpret@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.1.0.tgz#7ed1b1410c6a0e0f78cf95d3b8440c63f78b8614"
 
-invariant@^2.2.2:
+invariant@^2.2.2, invariant@^2.2.4:
   version "2.2.4"
   resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.4.tgz#610f3c92c9359ce1db616e538008d23ff35158e6"
   dependencies:
@@ -4089,6 +4137,10 @@ jsx-ast-utils@^2.0.0:
   dependencies:
     array-includes "^3.0.3"
 
+keycode@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/keycode/-/keycode-2.2.0.tgz#3d0af56dc7b8b8e5cba8d0a97f107204eec22b04"
+
 killable@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/killable/-/killable-1.0.0.tgz#da8b84bd47de5395878f95d64d02f2449fe05e6b"
@@ -4253,7 +4305,7 @@ longest@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
 
-loose-envify@^1.0.0, loose-envify@^1.1.0, loose-envify@^1.3.1:
+loose-envify@^1.0.0, loose-envify@^1.1.0, loose-envify@^1.2.0, loose-envify@^1.3.1, loose-envify@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.4.0.tgz#71ee51fa7be4caec1a63839f7e682d8132d30caf"
   dependencies:
@@ -4431,6 +4483,14 @@ mimic-fn@^1.0.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-1.2.0.tgz#820c86a39334640e99516928bd03fca88057d022"
 
+mini-create-react-context@^0.3.0:
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/mini-create-react-context/-/mini-create-react-context-0.3.2.tgz#79fc598f283dd623da8e088b05db8cddab250189"
+  dependencies:
+    "@babel/runtime" "^7.4.0"
+    gud "^1.0.0"
+    tiny-warning "^1.0.2"
+
 minimalistic-assert@^1.0.0, minimalistic-assert@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz#2e194de044626d4a10e7f7fbc00ce73e83e4d5c7"
@@ -4970,6 +5030,12 @@ path-to-regexp@^1.0.1:
   dependencies:
     isarray "0.0.1"
 
+path-to-regexp@^1.7.0:
+  version "1.8.0"
+  resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-1.8.0.tgz#887b3ba9d84393e87a0a0b9f4cb756198b53548a"
+  dependencies:
+    isarray "0.0.1"
+
 path-type@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/path-type/-/path-type-1.1.0.tgz#59c44f7ee491da704da415da5a4070ba4f8fe441"
@@ -5385,12 +5451,20 @@ promise@^7.1.1:
   dependencies:
     asap "~2.0.3"
 
-prop-types@^15.5.10, prop-types@^15.6.0:
-  version "15.6.2"
-  resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.6.2.tgz#05d5ca77b4453e985d60fc7ff8c859094a497102"
+prop-types-extra@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/prop-types-extra/-/prop-types-extra-1.1.0.tgz#32609910ea2dcf190366bacd3490d5a6412a605f"
+  dependencies:
+    react-is "^16.3.2"
+    warning "^3.0.0"
+
+prop-types@^15.5.10, prop-types@^15.6.0, prop-types@^15.6.1, prop-types@^15.6.2:
+  version "15.7.2"
+  resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.7.2.tgz#52c41e75b8c87e72b9d9360e0206b99dcbffa6c5"
   dependencies:
-    loose-envify "^1.3.1"
+    loose-envify "^1.4.0"
     object-assign "^4.1.1"
+    react-is "^16.8.1"
 
 proxy-addr@~2.0.3:
   version "2.0.3"
@@ -5513,6 +5587,23 @@ rc@^1.0.1, rc@^1.1.6, rc@^1.2.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
+react-bootstrap@^0.32.1:
+  version "0.32.4"
+  resolved "https://registry.yarnpkg.com/react-bootstrap/-/react-bootstrap-0.32.4.tgz#8efc4cbfc4807215d75b7639bee0d324c8d740d1"
+  dependencies:
+    "@babel/runtime-corejs2" "^7.0.0"
+    classnames "^2.2.5"
+    dom-helpers "^3.2.0"
+    invariant "^2.2.4"
+    keycode "^2.2.0"
+    prop-types "^15.6.1"
+    prop-types-extra "^1.0.1"
+    react-overlays "^0.8.0"
+    react-prop-types "^0.4.0"
+    react-transition-group "^2.0.0"
+    uncontrollable "^5.0.0"
+    warning "^3.0.0"
+
 react-dev-utils@^5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/react-dev-utils/-/react-dev-utils-5.0.1.tgz#1f396e161fe44b595db1b186a40067289bf06613"
@@ -5536,9 +5627,9 @@ react-dev-utils@^5.0.1:
     strip-ansi "3.0.1"
     text-table "0.2.0"
 
-react-dom@16.4.1:
-  version "16.4.1"
-  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.4.1.tgz#7f8b0223b3a5fbe205116c56deb85de32685dad6"
+react-dom@^16.4.2:
+  version "16.4.2"
+  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.4.2.tgz#4afed569689f2c561d2b8da0b819669c38a0bda4"
   dependencies:
     fbjs "^0.8.16"
     loose-envify "^1.1.0"
@@ -5549,6 +5640,58 @@ react-error-overlay@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/react-error-overlay/-/react-error-overlay-4.0.0.tgz#d198408a85b4070937a98667f500c832f86bd5d4"
 
+react-is@^16.3.2, react-is@^16.6.0, react-is@^16.7.0, react-is@^16.8.1:
+  version "16.12.0"
+  resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.12.0.tgz#2cc0fe0fba742d97fd527c42a13bec4eeb06241c"
+
+react-lifecycles-compat@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/react-lifecycles-compat/-/react-lifecycles-compat-3.0.4.tgz#4f1a273afdfc8f3488a8c516bfda78f872352362"
+
+react-overlays@^0.8.0:
+  version "0.8.3"
+  resolved "https://registry.yarnpkg.com/react-overlays/-/react-overlays-0.8.3.tgz#fad65eea5b24301cca192a169f5dddb0b20d3ac5"
+  dependencies:
+    classnames "^2.2.5"
+    dom-helpers "^3.2.1"
+    prop-types "^15.5.10"
+    prop-types-extra "^1.0.1"
+    react-transition-group "^2.2.0"
+    warning "^3.0.0"
+
+react-prop-types@^0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/react-prop-types/-/react-prop-types-0.4.0.tgz#f99b0bfb4006929c9af2051e7c1414a5c75b93d0"
+  dependencies:
+    warning "^3.0.0"
+
+react-router-dom@^5.1.2:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/react-router-dom/-/react-router-dom-5.1.2.tgz#06701b834352f44d37fbb6311f870f84c76b9c18"
+  dependencies:
+    "@babel/runtime" "^7.1.2"
+    history "^4.9.0"
+    loose-envify "^1.3.1"
+    prop-types "^15.6.2"
+    react-router "5.1.2"
+    tiny-invariant "^1.0.2"
+    tiny-warning "^1.0.0"
+
+react-router@5.1.2:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/react-router/-/react-router-5.1.2.tgz#6ea51d789cb36a6be1ba5f7c0d48dd9e817d3418"
+  dependencies:
+    "@babel/runtime" "^7.1.2"
+    history "^4.9.0"
+    hoist-non-react-statics "^3.1.0"
+    loose-envify "^1.3.1"
+    mini-create-react-context "^0.3.0"
+    path-to-regexp "^1.7.0"
+    prop-types "^15.6.2"
+    react-is "^16.6.0"
+    tiny-invariant "^1.0.2"
+    tiny-warning "^1.0.0"
+
 react-scripts@1.1.4:
   version "1.1.4"
   resolved "https://registry.yarnpkg.com/react-scripts/-/react-scripts-1.1.4.tgz#d5c230e707918d6dd2d06f303b10f5222d017c88"
@@ -5594,14 +5737,22 @@ react-scripts@1.1.4:
   optionalDependencies:
     fsevents "^1.1.3"
 
-react@16.4.1:
-  version "16.4.1"
-  resolved "https://registry.yarnpkg.com/react/-/react-16.4.1.tgz#de51ba5764b5dbcd1f9079037b862bd26b82fe32"
+react-transition-group@^2.0.0, react-transition-group@^2.2.0:
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/react-transition-group/-/react-transition-group-2.9.0.tgz#df9cdb025796211151a436c69a8f3b97b5b07c8d"
+  dependencies:
+    dom-helpers "^3.4.0"
+    loose-envify "^1.4.0"
+    prop-types "^15.6.2"
+    react-lifecycles-compat "^3.0.4"
+
+react@^16.4.1:
+  version "16.12.0"
+  resolved "https://registry.yarnpkg.com/react/-/react-16.12.0.tgz#0c0a9c6a142429e3614834d5a778e18aa78a0b83"
   dependencies:
-    fbjs "^0.8.16"
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
-    prop-types "^15.6.0"
+    prop-types "^15.6.2"
 
 read-pkg-up@^1.0.1:
   version "1.0.1"
@@ -5698,6 +5849,10 @@ regenerator-runtime@^0.11.0:
   version "0.11.1"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"
 
+regenerator-runtime@^0.13.2:
+  version "0.13.3"
+  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.13.3.tgz#7cf6a77d8f5c6f60eb73c5fc1955b2ceb01e6bf5"
+
 regenerator-transform@^0.10.0:
   version "0.10.1"
   resolved "https://registry.yarnpkg.com/regenerator-transform/-/regenerator-transform-0.10.1.tgz#1e4996837231da8b7f3cf4114d71b5691a0680dd"
@@ -5859,6 +6014,10 @@ resolve-from@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-3.0.0.tgz#b22c7af7d9d6881bc8b6e653335eebcb0a188748"
 
+resolve-pathname@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/resolve-pathname/-/resolve-pathname-3.0.0.tgz#99d02224d3cf263689becbb393bc560313025dcd"
+
 resolve-url@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/resolve-url/-/resolve-url-0.2.1.tgz#2c637fe77c893afd2a663fe21aa9080068e2052a"
@@ -6520,6 +6679,14 @@ timers-browserify@^2.0.4:
   dependencies:
     setimmediate "^1.0.4"
 
+tiny-invariant@^1.0.2:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/tiny-invariant/-/tiny-invariant-1.0.6.tgz#b3f9b38835e36a41c843a3b0907a5a7b3755de73"
+
+tiny-warning@^1.0.0, tiny-warning@^1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/tiny-warning/-/tiny-warning-1.0.3.tgz#94a30db453df4c643d0fd566060d60a875d84754"
+
 tmp@^0.0.33:
   version "0.0.33"
   resolved "https://registry.yarnpkg.com/tmp/-/tmp-0.0.33.tgz#6d34335889768d21b2bcda0aa277ced3b1bfadf9"
@@ -6652,6 +6819,12 @@ uglifyjs-webpack-plugin@^0.4.6:
     uglify-js "^2.8.29"
     webpack-sources "^1.0.1"
 
+uncontrollable@^5.0.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/uncontrollable/-/uncontrollable-5.1.0.tgz#7e9a1c50ea24e3c78b625e52d21ff3f758c7bd59"
+  dependencies:
+    invariant "^2.2.4"
+
 union-value@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/union-value/-/union-value-1.0.0.tgz#5c71c34cb5bad5dcebe3ea0cd08207ba5aa1aea4"
@@ -6806,6 +6979,10 @@ validate-npm-package-license@^3.0.1:
     spdx-correct "^3.0.0"
     spdx-expression-parse "^3.0.0"
 
+value-equal@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/value-equal/-/value-equal-1.0.1.tgz#1e0b794c734c5c0cade179c437d356d931a34d6c"
+
 vary@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
@@ -6834,6 +7011,12 @@ walker@~1.0.5:
   dependencies:
     makeerror "1.0.x"
 
+warning@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/warning/-/warning-3.0.0.tgz#32e5377cb572de4ab04753bdf8821c01ed605b7c"
+  dependencies:
+    loose-envify "^1.0.0"
+
 watch@~0.10.0:
   version "0.10.0"
   resolved "https://registry.yarnpkg.com/watch/-/watch-0.10.0.tgz#77798b2da0f9910d595f1ace5b0c2258521f21dc"