Upgrade webpack dependencies
diff --git a/package.json b/package.json
index a62e138..bbc7a18 100644
--- a/package.json
+++ b/package.json
@@ -67,9 +67,9 @@
     "resolve": "^1.10.1",
     "rimraf": "^2.6.3",
     "web-annotation-tests": "https://github.com/w3c/web-annotation-tests",
-    "webpack": "^4.31.0",
-    "webpack-cli": "^3.3.0",
-    "webpack-dev-server": "^3.2.1"
+    "webpack": "^4.41.0",
+    "webpack-cli": "^3.3.9",
+    "webpack-dev-server": "^3.8.1"
   },
   "engines": {
     "node": ">=8.0.0",
diff --git a/yarn.lock b/yarn.lock
index af755ee..2cd8eaf 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1728,20 +1728,15 @@
     mime-types "~2.1.24"
     negotiator "0.6.2"
 
-acorn-dynamic-import@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/acorn-dynamic-import/-/acorn-dynamic-import-4.0.0.tgz#482210140582a36b83c3e342e1cfebcaa9240948"
-  integrity sha512-d3OEjQV4ROpoflsnUA8HozoIR504TFxNivYEUi6uwz0IYhBkTDXGuWlNdMtybRt3nqVx/L6XqMt0FxkXuWKZhw==
-
 acorn-jsx@^5.0.2:
   version "5.0.2"
   resolved "https://registry.yarnpkg.com/acorn-jsx/-/acorn-jsx-5.0.2.tgz#84b68ea44b373c4f8686023a551f61a21b7c4a4f"
   integrity sha512-tiNTrP1MP0QrChmD2DdupCr6HWSFeKVw5d/dHTu4Y7rkAkRhU/Dt7dphAfIUyxtHpl/eBVip5uTNSpQJHylpAw==
 
-acorn@^6.0.5:
-  version "6.1.1"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.1.1.tgz#7d25ae05bb8ad1f9b699108e1094ecd7884adc1f"
-  integrity sha512-jPTiwtOxaHNaAPg/dmrJ/beuzLRnXtB0kQPQ8JpotKJgTB6rX6c8mlf315941pyjBSaPg8NHXS9fhP4u17DpGA==
+acorn@^6.2.1:
+  version "6.3.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.3.0.tgz#0087509119ffa4fc0a0041d1e93a417e68cb856e"
+  integrity sha512-/czfa8BwS88b9gWQVhc8eknunSA2DoJpJyTQkhheIf5E48u1N0R4q/YxxsAeqRrmK9TQ/uYfgLDfZo91UlANIA==
 
 acorn@^7.0.0:
   version "7.1.0"
@@ -1787,6 +1782,11 @@
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-3.4.0.tgz#4b831e7b531415a7cc518cd404e73f6193c6349d"
   integrity sha512-aUjdRFISbuFOl0EIZc+9e4FfZp0bDZgAdOOf30bJmw8VM9v84SHyVyxDfbWxpGYbdZD/9XoKxfHVNmxPkhwyGw==
 
+ajv-keywords@^3.4.1:
+  version "3.4.1"
+  resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-3.4.1.tgz#ef916e271c64ac12171fd8384eaae6b2345854da"
+  integrity sha512-RO1ibKvd27e6FEShVFfPALuHI3WjSVNeK5FIsmme/LYRNxjKuNj+Dt7bucLa6NdSv3JcVTyMlm9kGR84z1XpaQ==
+
 ajv@^6.1.0, ajv@^6.10.0, ajv@^6.5.5, ajv@^6.9.1:
   version "6.10.0"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.10.0.tgz#90d0d54439da587cd7e843bfb7045f50bd22bdf1"
@@ -1797,6 +1797,16 @@
     json-schema-traverse "^0.4.1"
     uri-js "^4.2.2"
 
+ajv@^6.10.2:
+  version "6.10.2"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.10.2.tgz#d3cea04d6b017b2894ad69040fec8b623eb4bd52"
+  integrity sha512-TXtUUEYHuaTEbLZWIKUr5pmBuhDLy+8KYtPYdcV8qC+pOZL+NKqYwvWSRrVXHn+ZmRRAu8vJTAznH7Oag6RVRw==
+  dependencies:
+    fast-deep-equal "^2.0.1"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.4.1"
+    uri-js "^4.2.2"
+
 ancestors@0.0.3:
   version "0.0.3"
   resolved "https://registry.yarnpkg.com/ancestors/-/ancestors-0.0.3.tgz#124eb944447d68b302057047d15d077a9da5179d"
@@ -2032,6 +2042,11 @@
   resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.3.tgz#b727dbf87d7651602f06f4d4ac387f47d91b0cbf"
   integrity sha512-z/WhQ5FPySLdvREByI2vZiTWwCnF0moMJ1hK9YQwDTHKh6I7/uSckMetoRGb5UBZPC1z0jlw+n/XCgjeH7y1AQ==
 
+async-limiter@~1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.1.tgz#dd379e94f0db8310b08291f9d64c3209766617fd"
+  integrity sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ==
+
 async@^1.5.2:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
@@ -2166,7 +2181,7 @@
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.13.1.tgz#598afe54755b2868a5330d2aff9d4ebb53209b65"
   integrity sha512-Un7MIEDdUC5gNpcGDV97op1Ywk748MpHcFTHoYs6qnj1Z3j7I53VG3nwZhKzoBZmbdRNnb6WRdFlwl7tSDuZGw==
 
-bluebird@^3.5.1, bluebird@^3.5.3:
+bluebird@^3.5.1, bluebird@^3.5.3, bluebird@^3.5.5:
   version "3.5.5"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.5.tgz#a8d0afd73251effbbd5fe384a77d73003c17a71f"
   integrity sha512-5am6HnnfN+urzt4yfg7IgTbotDjIT/u8AJpEt0sIU9FtXfVeezXAPKswrG+xKUCOYAINpSdgZVDU6QFh+cuH3w==
@@ -2391,6 +2406,27 @@
     unique-filename "^1.1.1"
     y18n "^4.0.0"
 
+cacache@^12.0.2:
+  version "12.0.3"
+  resolved "https://registry.yarnpkg.com/cacache/-/cacache-12.0.3.tgz#be99abba4e1bf5df461cd5a2c1071fc432573390"
+  integrity sha512-kqdmfXEGFepesTuROHMs3MpFLWrPkSSpRqOw80RCflZXy/khxaArvFrQ7uJxSUduzAufc6G0g1VUCOZXxWavPw==
+  dependencies:
+    bluebird "^3.5.5"
+    chownr "^1.1.1"
+    figgy-pudding "^3.5.1"
+    glob "^7.1.4"
+    graceful-fs "^4.1.15"
+    infer-owner "^1.0.3"
+    lru-cache "^5.1.1"
+    mississippi "^3.0.0"
+    mkdirp "^0.5.1"
+    move-concurrently "^1.0.1"
+    promise-inflight "^1.0.1"
+    rimraf "^2.6.3"
+    ssri "^6.0.1"
+    unique-filename "^1.1.1"
+    y18n "^4.0.0"
+
 cache-base@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/cache-base/-/cache-base-1.0.1.tgz#0a7f46416831c8b662ee36fe4e7c59d76f666ab2"
@@ -2506,6 +2542,15 @@
     pathval "^1.1.0"
     type-detect "^4.0.5"
 
+chalk@2.4.2, chalk@^2.0.0, chalk@^2.0.1, chalk@^2.3.1, chalk@^2.4.1, chalk@^2.4.2:
+  version "2.4.2"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
+  integrity sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==
+  dependencies:
+    ansi-styles "^3.2.1"
+    escape-string-regexp "^1.0.5"
+    supports-color "^5.3.0"
+
 chalk@^1.0.0, chalk@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
@@ -2517,15 +2562,6 @@
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
-chalk@^2.0.0, chalk@^2.0.1, chalk@^2.3.1, chalk@^2.4.1, chalk@^2.4.2:
-  version "2.4.2"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
-  integrity sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==
-  dependencies:
-    ansi-styles "^3.2.1"
-    escape-string-regexp "^1.0.5"
-    supports-color "^5.3.0"
-
 chalk@^2.1.0:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.1.tgz#18c49ab16a037b6eb0152cc83e3471338215b66e"
@@ -2544,7 +2580,7 @@
   resolved "https://registry.yarnpkg.com/check-error/-/check-error-1.0.2.tgz#574d312edd88bb5dd8912e9286dd6c0aed4aac82"
   integrity sha1-V00xLt2Iu13YkS6Sht1sCu1KrII=
 
-chokidar@^2.0.2, chokidar@^2.1.6:
+chokidar@^2.0.2:
   version "2.1.6"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-2.1.6.tgz#b6cad653a929e244ce8a834244164d241fa954c5"
   integrity sha512-V2jUo67OKkc6ySiRpJrjlpJKl9kDuG+Xb8VgsGzb+aEouhgS1D0weyPU4lEzdAcsCAvrih2J2BqyXqHWvVLw5g==
@@ -2587,7 +2623,7 @@
   resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.1.tgz#54726b8b8fff4df053c42187e801fb4412df1494"
   integrity sha512-j38EvO5+LHX84jlo6h4UzmOwi0UgW61WRyPtJz4qaadK5eY3BTS5TY/S1Stc3Uk2lIM6TPevAlULiEJwie860g==
 
-chrome-trace-event@^1.0.0:
+chrome-trace-event@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/chrome-trace-event/-/chrome-trace-event-1.0.2.tgz#234090ee97c7d4ad1a2c4beae27505deffc608a4"
   integrity sha512-9e/zx1jw7B4CO+c/RXoCsfg/x1AfUBioy4owYH0bJprEYAx5hRFLRhWBqHAG57D0ZM4H7vxbP7bPe0VwhQRYDQ==
@@ -2718,11 +2754,6 @@
   dependencies:
     delayed-stream "~1.0.0"
 
-commander@^2.19.0, commander@~2.20.0:
-  version "2.20.0"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.0.tgz#d58bb2b5c1ee8f87b0d340027e9e94e222c5a422"
-  integrity sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==
-
 commander@^2.20.0:
   version "2.20.1"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.1.tgz#3863ce3ca92d0831dcf2a102f5fb4b5926afd0f9"
@@ -2732,6 +2763,11 @@
   version "2.15.1"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.15.1.tgz#df46e867d0fc2aec66a34662b406a9ccafff5b0f"
 
+commander@~2.20.0:
+  version "2.20.0"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.0.tgz#d58bb2b5c1ee8f87b0d340027e9e94e222c5a422"
+  integrity sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==
+
 commondir@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/commondir/-/commondir-1.0.1.tgz#ddd800da0c66127393cca5950ea968a3aaf1253b"
@@ -3043,15 +3079,7 @@
     cross-spawn "^6.0.5"
     is-windows "^1.0.0"
 
-cross-spawn@^4:
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-4.0.2.tgz#7b9247621c23adfdd3856004a823cbe397424d41"
-  integrity sha1-e5JHYhwjrf3ThWAEqCPL45dCTUE=
-  dependencies:
-    lru-cache "^4.0.1"
-    which "^1.2.9"
-
-cross-spawn@^6.0.0, cross-spawn@^6.0.5:
+cross-spawn@6.0.5, cross-spawn@^6.0.0, cross-spawn@^6.0.5:
   version "6.0.5"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-6.0.5.tgz#4a5ec7c64dfae22c3a14124dbacdee846d80cbc4"
   integrity sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==
@@ -3062,6 +3090,14 @@
     shebang-command "^1.2.0"
     which "^1.2.9"
 
+cross-spawn@^4:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-4.0.2.tgz#7b9247621c23adfdd3856004a823cbe397424d41"
+  integrity sha1-e5JHYhwjrf3ThWAEqCPL45dCTUE=
+  dependencies:
+    lru-cache "^4.0.1"
+    which "^1.2.9"
+
 crypto-browserify@^3.11.0:
   version "3.12.0"
   resolved "https://registry.yarnpkg.com/crypto-browserify/-/crypto-browserify-3.12.0.tgz#396cf9f3137f03e4b8e532c58f698254e00f80ec"
@@ -3538,7 +3574,7 @@
   dependencies:
     once "^1.4.0"
 
-enhanced-resolve@^4.1.0:
+enhanced-resolve@4.1.0, enhanced-resolve@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/enhanced-resolve/-/enhanced-resolve-4.1.0.tgz#41c7e0bfdfe74ac1ffe1e57ad6a5c6c9f3742a7f"
   integrity sha512-F/7vkyTtyc/llOIn8oWclcB25KdRaiPBpZYDgJHgh/UHtpgT2p2eldQgtQnLtUvfMKPKxbRaQM/hHkvLHt1Vng==
@@ -3705,7 +3741,7 @@
   dependencies:
     prettier-linter-helpers "^1.0.0"
 
-eslint-scope@^4.0.0:
+eslint-scope@^4.0.3:
   version "4.0.3"
   resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-4.0.3.tgz#ca03833310f6889a3264781aa82e63eb9cfe7848"
   integrity sha512-p7VutNr1O/QrxysMo3E45FjYDTeXBy0iTltPFNSqKAIfjDSXC+4dj+qfyuD8bfAXrW/y6lW3O76VaYNPKfpKrg==
@@ -4162,13 +4198,13 @@
   dependencies:
     locate-path "^5.0.0"
 
-findup-sync@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/findup-sync/-/findup-sync-2.0.0.tgz#9326b1488c22d1a6088650a86901b2d9a90a2cbc"
-  integrity sha1-kyaxSIwi0aYIhlCoaQGy2akKLLw=
+findup-sync@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/findup-sync/-/findup-sync-3.0.0.tgz#17b108f9ee512dfb7a5c7f3c8b27ea9e1a9c08d1"
+  integrity sha512-YbffarhcicEhOrm4CtrwdKBdCuz576RLdhJDsIfvNtxUuhdRet1qZcsMjqbePtAseKdAnDyM/IyXbu7PRPRLYg==
   dependencies:
     detect-file "^1.0.0"
-    is-glob "^3.1.0"
+    is-glob "^4.0.0"
     micromatch "^3.0.4"
     resolve-dir "^1.0.1"
 
@@ -4504,7 +4540,7 @@
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@^7.0.3, glob@^7.0.5, glob@^7.1.1, glob@^7.1.2, glob@^7.1.3:
+glob@^7.0.3, glob@^7.0.5, glob@^7.1.1, glob@^7.1.2, glob@^7.1.3, glob@^7.1.4:
   version "7.1.4"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.4.tgz#aa608a2f6c577ad357e1ae5a5c26d9a8d1969255"
   integrity sha512-hkLPepehmnKk41pUGm3sYxoFs/umurYfYJCerbXEyFIWcAzvpipAgVkBqqT9RBKMGjnq6kMuyYwha6csxbiM1A==
@@ -4516,6 +4552,13 @@
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
+global-modules@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/global-modules/-/global-modules-2.0.0.tgz#997605ad2345f27f51539bea26574421215c7780"
+  integrity sha512-NGbfmJBp9x8IxyJSd1P+otYK8vonoJactOogrVfFRIAEY1ukil8RSKDz2Yo7wh1oihl51l/r6W4epkeKJHqL8A==
+  dependencies:
+    global-prefix "^3.0.0"
+
 global-modules@^0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/global-modules/-/global-modules-0.2.3.tgz#ea5a3bed42c6d6ce995a4f8a1269b5dae223828d"
@@ -4552,6 +4595,15 @@
     is-windows "^1.0.1"
     which "^1.2.14"
 
+global-prefix@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/global-prefix/-/global-prefix-3.0.0.tgz#fc85f73064df69f50421f47f883fe5b913ba9b97"
+  integrity sha512-awConJSVCHVGND6x3tmMaKcQvwXLhjdkmomy2W+Goaui8YPgYgXJZewhg3fWC+DlfqqQuWg8AwqjGTD2nAPVWg==
+  dependencies:
+    ini "^1.3.5"
+    kind-of "^6.0.2"
+    which "^1.3.1"
+
 globals@^11.1.0, globals@^11.7.0:
   version "11.12.0"
   resolved "https://registry.yarnpkg.com/globals/-/globals-11.12.0.tgz#ab8795338868a0babd8525758018c2a7eb95c42e"
@@ -4949,6 +5001,14 @@
     parent-module "^1.0.0"
     resolve-from "^4.0.0"
 
+import-local@2.0.0, import-local@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/import-local/-/import-local-2.0.0.tgz#55070be38a5993cf18ef6db7e961f5bee5c5a09d"
+  integrity sha512-b6s04m3O+s3CGSbqDIyP4R6aAwAeYlVq9+WUWep6iHa8ETRf9yei1U48C5MmfJmV9AiLYYBKPMq/W+/WRpQmCQ==
+  dependencies:
+    pkg-dir "^3.0.0"
+    resolve-cwd "^2.0.0"
+
 import-local@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/import-local/-/import-local-1.0.0.tgz#5e4ffdc03f4fe6c009c6729beb29631c2f8227bc"
@@ -4957,14 +5017,6 @@
     pkg-dir "^2.0.0"
     resolve-cwd "^2.0.0"
 
-import-local@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/import-local/-/import-local-2.0.0.tgz#55070be38a5993cf18ef6db7e961f5bee5c5a09d"
-  integrity sha512-b6s04m3O+s3CGSbqDIyP4R6aAwAeYlVq9+WUWep6iHa8ETRf9yei1U48C5MmfJmV9AiLYYBKPMq/W+/WRpQmCQ==
-  dependencies:
-    pkg-dir "^3.0.0"
-    resolve-cwd "^2.0.0"
-
 imurmurhash@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
@@ -4991,10 +5043,10 @@
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/indexes-of/-/indexes-of-1.0.1.tgz#f30f716c8e2bd346c7b67d3df3915566a7c05607"
 
-indexof@0.0.1:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/indexof/-/indexof-0.0.1.tgz#82dc336d232b9062179d05ab3293a66059fd435d"
-  integrity sha1-gtwzbSMrkGIXnQWrMpOmYFn9Q10=
+infer-owner@^1.0.3:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/infer-owner/-/infer-owner-1.0.4.tgz#c4cefcaa8e51051c2a40ba2ce8a3d27295af9467"
+  integrity sha512-IClj+Xz94+d7irH5qRyfJonOdfTzuDaifE6ZPWfx0N0+/ATZCbuTPq2prFl526urkQd90WyUKIh1DfBQ2hMz9A==
 
 inflight@^1.0.4:
   version "1.0.6"
@@ -5014,7 +5066,7 @@
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.1.tgz#b17d08d326b4423e568eff719f91b0b1cbdf69f1"
   integrity sha1-sX0I0ya0Qj5Wjv9xn5GwscvfafE=
 
-ini@^1.3.2, ini@^1.3.4, ini@~1.3.0:
+ini@^1.3.2, ini@^1.3.4, ini@^1.3.5, ini@~1.3.0:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"
   integrity sha512-RZY5huIKCMRWDUqZlEi72f/lmXKMvuszcMBduliQ3nnWbx9X/ZBQO7DijMEYS9EhHBb2qacRUMtC7svLwe0lcw==
@@ -5079,7 +5131,7 @@
     default-gateway "^4.2.0"
     ipaddr.js "^1.9.0"
 
-interpret@^1.1.0:
+interpret@1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.2.0.tgz#d5061a6224be58e8083985f5014d844359576296"
   integrity sha512-mT34yGKMNceBQUoVn7iCDKDntA7SC6gycMAWzGx1z/CMCTV7b2AAtXlo3nRyHZ1FelRkQbQjprHSYGwzLtkVbw==
@@ -5111,6 +5163,11 @@
   resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.9.0.tgz#37df74e430a0e47550fe54a2defe30d8acd95f65"
   integrity sha512-M4Sjn6N/+O6/IXSJseKqHoFc+5FdGJ22sXqnjTpdZweHK64MzEPAyQZyEU3R/KRv2GLoa7nNtg/C2Ev6m7z+eA==
 
+is-absolute-url@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/is-absolute-url/-/is-absolute-url-3.0.2.tgz#554f2933e7385cc46e94351977ca2081170a206e"
+  integrity sha512-+5g/wLlcm1AcxSP7014m6GvbPHswDx980vD/3bZaap8aGV9Yfs7Q6y6tfaupgZ5O74Byzc8dGrSCJ+bFXx0KdA==
+
 is-accessor-descriptor@^0.1.6:
   version "0.1.6"
   resolved "https://registry.yarnpkg.com/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz#a9e12cb3ae8d876727eeef3843f8a0897b5c98d6"
@@ -5794,12 +5851,12 @@
     pify "^3.0.0"
     strip-bom "^3.0.0"
 
-loader-runner@^2.3.0:
+loader-runner@^2.4.0:
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/loader-runner/-/loader-runner-2.4.0.tgz#ed47066bfe534d7e84c4c7b9998c2a75607d9357"
   integrity sha512-Jsmr89RcXGIwivFY21FcRrisYZfvLMTWx5kOLc+JTxtpBOG6xML0vzbc6SEQG2FO9/4Fc3wW4LVcB5DmGflaRw==
 
-loader-utils@^1.0.2, loader-utils@^1.1.0, loader-utils@^1.2.3:
+loader-utils@1.2.3, loader-utils@^1.0.2, loader-utils@^1.1.0, loader-utils@^1.2.3:
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-1.2.3.tgz#1ff5dc6911c9f0a062531a4c04b609406108c2c7"
   integrity sha512-fkpz8ejdnEMG3s37wGL07iSBDg99O9D5yflE9RGNH3hRdx9SOwYfnGYdZOUIZitN8E+E2vkq3MUMYMvPYl5ZZA==
@@ -5925,10 +5982,10 @@
     cli-cursor "^2.0.0"
     wrap-ansi "^3.0.1"
 
-loglevel@^1.6.2:
-  version "1.6.2"
-  resolved "https://registry.yarnpkg.com/loglevel/-/loglevel-1.6.2.tgz#668c77948a03dbd22502a3513ace1f62a80cc372"
-  integrity sha512-Jt2MHrCNdtIe1W6co3tF5KXGRkzF+TYffiQstfXa04mrss9IKXzAAXYWak8LbZseAQY03sH2GzMCMU0ZOUc9bg==
+loglevel@^1.6.4:
+  version "1.6.4"
+  resolved "https://registry.yarnpkg.com/loglevel/-/loglevel-1.6.4.tgz#f408f4f006db8354d0577dcf6d33485b3cb90d56"
+  integrity sha512-p0b6mOGKcGa+7nnmKbpzR6qloPbrgLcnio++E+14Vo/XffOGwZtRpUhr8dTH/x2oCMmEoIU0Zwm3ZauhvYD17g==
 
 loose-envify@^1.0.0:
   version "1.4.0"
@@ -6068,7 +6125,7 @@
     mimic-fn "^2.0.0"
     p-is-promise "^2.0.0"
 
-memory-fs@^0.4.0, memory-fs@^0.4.1, memory-fs@~0.4.1:
+memory-fs@^0.4.0, memory-fs@^0.4.1:
   version "0.4.1"
   resolved "https://registry.yarnpkg.com/memory-fs/-/memory-fs-0.4.1.tgz#3a9a20b8462523e447cfbc7e8bb80ed667bfc552"
   integrity sha1-OpoguEYlI+RHz7x+i7gO1me/xVI=
@@ -6134,7 +6191,7 @@
   resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
   integrity sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4=
 
-micromatch@^3.0.4, micromatch@^3.1.10, micromatch@^3.1.4, micromatch@^3.1.8:
+micromatch@^3.0.4, micromatch@^3.1.10, micromatch@^3.1.4:
   version "3.1.10"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-3.1.10.tgz#70859bc95c9840952f359a068a3fc49f9ecfac23"
   integrity sha512-MWikgl9n9M3w+bpsY3He8L+w9eF9338xRl8IAO5viDizwSzziFEyUzo2xrrloB64ADbTf8uA8vRqqttDTOmccg==
@@ -6186,7 +6243,7 @@
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.6.0.tgz#32cd9e5c64553bd58d19a568af452acff04981b1"
   integrity sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg==
 
-mime@^2.4.2:
+mime@^2.4.4:
   version "2.4.4"
   resolved "https://registry.yarnpkg.com/mime/-/mime-2.4.4.tgz#bd7b91135fc6b01cde3e9bae33d659b63d8857e5"
   integrity sha512-LRxmNwziLPT828z+4YkNzloCFC2YM4wrB99k+AV5ZbEyfGNWfG8SO1FUXLmLDBSo89NrJZ4DIWeLjy1CHGhMGA==
@@ -6439,7 +6496,7 @@
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
   integrity sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw==
 
-neo-async@^2.5.0, neo-async@^2.6.0:
+neo-async@^2.5.0, neo-async@^2.6.0, neo-async@^2.6.1:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.1.tgz#ac27ada66167fa8849a6addd837f6b189ad2081c"
   integrity sha512-iyam8fBuCUpWeKPGpaNMetEocMt364qkCsfL9JuhjXX6dRnguRVOfk2GZaDpPjcOKiiXCPINZC1GczQ7iTq3Zw==
@@ -6476,10 +6533,10 @@
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.0.tgz#e633456386d4aa55863f676a7ab0daa8fdecb0fd"
   integrity sha512-8dG4H5ujfvFiqDmVu9fQ5bOHUC15JMjMY/Zumv26oOvvVJjM67KF8koCWIabKQ1GJIa9r2mMZscBq/TbdOcmNA==
 
-node-forge@0.7.5:
-  version "0.7.5"
-  resolved "https://registry.yarnpkg.com/node-forge/-/node-forge-0.7.5.tgz#6c152c345ce11c52f465c2abd957e8639cd674df"
-  integrity sha512-MmbQJ2MTESTjt3Gi/3yG1wGpIMhUfcIypUCGtTizFR9IiccFwxSpfp0vtIZlkFclEqERemxfnSdZEMR9VqqEFQ==
+node-forge@0.8.2:
+  version "0.8.2"
+  resolved "https://registry.yarnpkg.com/node-forge/-/node-forge-0.8.2.tgz#b4bcc59fb12ce77a8825fc6a783dfe3182499c5a"
+  integrity sha512-mXQ9GBq1N3uDCyV1pdSzgIguwgtVpM7f5/5J4ipz12PKWElmPpVWLDuWl8iXmhysr21+WmX/OJ5UKx82wjomgg==
 
 node-gyp@^4.0.0:
   version "4.0.0"
@@ -6498,10 +6555,10 @@
     tar "^4.4.8"
     which "1"
 
-node-libs-browser@^2.0.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/node-libs-browser/-/node-libs-browser-2.2.0.tgz#c72f60d9d46de08a940dedbb25f3ffa2f9bbaa77"
-  integrity sha512-5MQunG/oyOaBdttrL40dA7bUfPORLRWMUJLQtMg7nluxUvk5XwnLdL9twQHFAjRx/y7mIMkLKT9++qPbbk6BZA==
+node-libs-browser@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/node-libs-browser/-/node-libs-browser-2.2.1.tgz#b64f513d18338625f90346d27b0d235e631f6425"
+  integrity sha512-h/zcD8H9kaDZ9ALUWwlBUDo6TKF8a7qBSCSEGfjTVIYeqsioSKaAX+BN7NgiMGp6iSIXZ3PxgCu8KS3b71YK5Q==
   dependencies:
     assert "^1.1.1"
     browserify-zlib "^0.2.0"
@@ -6513,7 +6570,7 @@
     events "^3.0.0"
     https-browserify "^1.0.0"
     os-browserify "^0.3.0"
-    path-browserify "0.0.0"
+    path-browserify "0.0.1"
     process "^0.11.10"
     punycode "^1.2.4"
     querystring-es3 "^0.2.0"
@@ -6525,7 +6582,7 @@
     tty-browserify "0.0.0"
     url "^0.11.0"
     util "^0.11.0"
-    vm-browserify "0.0.4"
+    vm-browserify "^1.0.1"
 
 node-modules-regexp@^1.0.0:
   version "1.0.0"
@@ -7164,10 +7221,10 @@
   resolved "https://registry.yarnpkg.com/pascalcase/-/pascalcase-0.1.1.tgz#b363e55e8006ca6fe21784d2db22bd15d7917f14"
   integrity sha1-s2PlXoAGym/iF4TS2yK9FdeRfxQ=
 
-path-browserify@0.0.0:
-  version "0.0.0"
-  resolved "https://registry.yarnpkg.com/path-browserify/-/path-browserify-0.0.0.tgz#a0b870729aae214005b7d5032ec2cbbb0fb4451a"
-  integrity sha1-oLhwcpquIUAFt9UDLsLLuw+0RRo=
+path-browserify@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/path-browserify/-/path-browserify-0.0.1.tgz#e6c4ddd7ed3aa27c68a20cc4e50e1a4ee83bbc4a"
+  integrity sha512-BapA40NHICOS+USX9SN4tyhq+A2RrN/Ws5F0Z5aMHDp98Fl86lX8Oti8B7uN93L4Ifv4fHOEA+pQw87gmMO/lQ==
 
 path-dirname@^1.0.0:
   version "1.0.2"
@@ -7350,10 +7407,10 @@
   dependencies:
     semver-compare "^1.0.0"
 
-portfinder@^1.0.20:
-  version "1.0.20"
-  resolved "https://registry.yarnpkg.com/portfinder/-/portfinder-1.0.20.tgz#bea68632e54b2e13ab7b0c4775e9b41bf270e44a"
-  integrity sha512-Yxe4mTyDzTd59PZJY4ojZR8F+E5e97iq2ZOHPz3HDgSvYC5siNad2tLooQ5y5QHyQhc3xVqvyk/eNA3wuoa7Sw==
+portfinder@^1.0.24:
+  version "1.0.24"
+  resolved "https://registry.yarnpkg.com/portfinder/-/portfinder-1.0.24.tgz#11efbc6865f12f37624b6531ead1d809ed965cfa"
+  integrity sha512-ekRl7zD2qxYndYflwiryJwMioBI7LI7rVXg3EnLK3sjkouT5eOuhS3gS255XxBksa30VG8UPZYZCdgfGOfkSUg==
   dependencies:
     async "^1.5.2"
     debug "^2.2.0"
@@ -7434,7 +7491,7 @@
   dependencies:
     fast-diff "^1.1.2"
 
-prettier@^1.16.4, prettier@^1.17.0:
+prettier@^1.16.4:
   version "1.18.2"
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.18.2.tgz#6823e7c5900017b4bd3acf46fe9ac4b4d7bda9ea"
   integrity sha512-OeHeMc0JhFE9idD4ZdtNibzY0+TPHSpSSb9h8FqtP+YnoZZ1sl8Vc9b1sasjfymH3SonAF4QcA2+mzHPhMvIiw==
@@ -8142,12 +8199,12 @@
   resolved "https://registry.yarnpkg.com/select-hose/-/select-hose-2.0.0.tgz#625d8658f865af43ec962bfc376a37359a4994ca"
   integrity sha1-Yl2GWPhlr0Psliv8N2o3NZpJlMo=
 
-selfsigned@^1.10.4:
-  version "1.10.4"
-  resolved "https://registry.yarnpkg.com/selfsigned/-/selfsigned-1.10.4.tgz#cdd7eccfca4ed7635d47a08bf2d5d3074092e2cd"
-  integrity sha512-9AukTiDmHXGXWtWjembZ5NDmVvP2695EtpgbCsxCa68w3c88B+alqbmZ4O3hZ4VWGXeGWzEVdvqgAJD8DQPCDw==
+selfsigned@^1.10.6:
+  version "1.10.6"
+  resolved "https://registry.yarnpkg.com/selfsigned/-/selfsigned-1.10.6.tgz#7b3cd37ed9c2034261a173af1a1aae27d8169b67"
+  integrity sha512-i3+CeqxL7DpAazgVpAGdKMwHuL63B5nhJMh9NQ7xmChGkA3jNFflq6Jyo1LLJYcr3idWiNOPWHCrm4zMayLG4w==
   dependencies:
-    node-forge "0.7.5"
+    node-forge "0.8.2"
 
 semver-compare@^1.0.0:
   version "1.0.0"
@@ -8159,12 +8216,12 @@
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.0.tgz#790a7cf6fea5459bac96110b29b60412dc8ff96b"
   integrity sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==
 
-semver@^6.0.0, semver@^6.1.0, semver@^6.1.1:
+semver@^6.0.0, semver@^6.1.0:
   version "6.1.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-6.1.1.tgz#53f53da9b30b2103cd4f15eab3a18ecbcb210c9b"
   integrity sha512-rWYq2e5iYW+fFe/oPPtYJxYgjBm8sC4rmoGdUOgBB7VnwKt6HrL793l2voH1UlsyYZpJ4g0wfjnTEO1s1NP2eQ==
 
-semver@^6.1.2:
+semver@^6.1.2, semver@^6.3.0:
   version "6.3.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.0.tgz#ee0a64c8af5e8ceea67687b133761e1becbd1d3d"
   integrity sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==
@@ -8361,10 +8418,10 @@
     source-map-resolve "^0.5.0"
     use "^3.1.0"
 
-sockjs-client@1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/sockjs-client/-/sockjs-client-1.3.0.tgz#12fc9d6cb663da5739d3dc5fb6e8687da95cb177"
-  integrity sha512-R9jxEzhnnrdxLCNln0xg5uGHqMnkhPSTzUZH2eXcR03S/On9Yvoq2wyUZILRUhZCNVu2PmwWVoyuiPz8th8zbg==
+sockjs-client@1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/sockjs-client/-/sockjs-client-1.4.0.tgz#c9f2568e19c8fd8173b4997ea3420e0bb306c7d5"
+  integrity sha512-5zaLyO8/nri5cua0VtOrFXBPK1jbL4+1cebT/mmKA1E1ZXOvJrII75bPu0l0k843G/+iAbhEqzyKr0w/eCCj7g==
   dependencies:
     debug "^3.2.5"
     eventsource "^1.0.7"
@@ -8420,7 +8477,7 @@
     source-map-url "^0.4.0"
     urix "^0.1.0"
 
-source-map-support@^0.5.9, source-map-support@~0.5.10:
+source-map-support@^0.5.9:
   version "0.5.12"
   resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.12.tgz#b4f3b10d51857a5af0138d3ce8003b201613d599"
   integrity sha512-4h2Pbvyy15EE02G+JOZpUCmqWJuqrs+sEkzewTm++BPi7Hvn/HwcqLAcNxYAyI0x13CpPPn+kMjl+hplXMHITQ==
@@ -8428,6 +8485,14 @@
     buffer-from "^1.0.0"
     source-map "^0.6.0"
 
+source-map-support@~0.5.12:
+  version "0.5.13"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.13.tgz#31b24a9c2e73c2de85066c0feb7d44767ed52932"
+  integrity sha512-SHSKFHadjVA5oR4PPqhtAVdcBWwRYVd6g6cAXnIbRiIwc2EhPrTuKUBdSLvlEKyIP3GCf89fltvcZiP9MMFA1w==
+  dependencies:
+    buffer-from "^1.0.0"
+    source-map "^0.6.0"
+
 source-map-url@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/source-map-url/-/source-map-url-0.4.0.tgz#3e935d7ddd73631b97659956d55128e87b5084a3"
@@ -8493,10 +8558,10 @@
     readable-stream "^3.0.6"
     wbuf "^1.7.3"
 
-spdy@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/spdy/-/spdy-4.0.0.tgz#81f222b5a743a329aa12cea6a390e60e9b613c52"
-  integrity sha512-ot0oEGT/PGUpzf/6uk4AWLqkq+irlqHXkrdbk51oWONh3bxQmBuljxPNl66zlRRcIJStWq0QkLUCPOPjgjvU0Q==
+spdy@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/spdy/-/spdy-4.0.1.tgz#6f12ed1c5db7ea4f24ebb8b89ba58c87c08257f2"
+  integrity sha512-HeZS3PBdMA+sZSu0qwpCxl3DeALD5ASx8pAX0jZdKXSpPWbQ6SYGnlg3BBmYLx5LtiZrmkAZfErCm2oECBcioA==
   dependencies:
     debug "^4.1.0"
     handle-thing "^2.0.0"
@@ -8756,25 +8821,25 @@
   dependencies:
     has-flag "^3.0.0"
 
+supports-color@6.1.0, supports-color@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-6.1.0.tgz#0764abc69c63d5ac842dd4867e8d025e880df8f3"
+  integrity sha512-qe1jfm1Mg7Nq/NSh6XE24gPXROEVsWHxC1LIx//XNlD9iw7YZQGjZNjYN7xGaEG6iKdA8EtNFW6R0gjnVXp+wQ==
+  dependencies:
+    has-flag "^3.0.0"
+
 supports-color@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
   integrity sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=
 
-supports-color@^5.3.0, supports-color@^5.5.0:
+supports-color@^5.3.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.5.0.tgz#e2e69a44ac8772f78a1ec0b35b689df6530efc8f"
   integrity sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==
   dependencies:
     has-flag "^3.0.0"
 
-supports-color@^6.1.0:
-  version "6.1.0"
-  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-6.1.0.tgz#0764abc69c63d5ac842dd4867e8d025e880df8f3"
-  integrity sha512-qe1jfm1Mg7Nq/NSh6XE24gPXROEVsWHxC1LIx//XNlD9iw7YZQGjZNjYN7xGaEG6iKdA8EtNFW6R0gjnVXp+wQ==
-  dependencies:
-    has-flag "^3.0.0"
-
 symbol-observable@^1.1.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-1.2.0.tgz#c22688aed4eab3cdc2dfeacbb561660560a00804"
@@ -8790,7 +8855,7 @@
     slice-ansi "^2.1.0"
     string-width "^3.0.0"
 
-tapable@^1.0.0, tapable@^1.1.0:
+tapable@^1.0.0, tapable@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/tapable/-/tapable-1.1.3.tgz#a1fccc06b58db61fd7a45da2da44f5f3a3e67ba2"
   integrity sha512-4WK/bYZmj8xLr+HUCODHGF1ZFzsYffasLUgEiMBY4fgtltdO6B4WJtlSbPaDTLpYTcGVwM2qLnFTICEcNxs3kA==
@@ -8825,30 +8890,29 @@
     temp-dir "^1.0.0"
     uuid "^3.0.1"
 
-terser-webpack-plugin@^1.1.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-1.3.0.tgz#69aa22426299f4b5b3775cbed8cb2c5d419aa1d4"
-  integrity sha512-W2YWmxPjjkUcOWa4pBEv4OP4er1aeQJlSo2UhtCFQCuRXEHjOFscO8VyWHj9JLlA0RzQb8Y2/Ta78XZvT54uGg==
+terser-webpack-plugin@^1.4.1:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-1.4.1.tgz#61b18e40eaee5be97e771cdbb10ed1280888c2b4"
+  integrity sha512-ZXmmfiwtCLfz8WKZyYUuuHf3dMYEjg8NrjHMb0JqHVHVOSkzp3cW2/XG1fP3tRhqEqSzMwzzRQGtAPbs4Cncxg==
   dependencies:
-    cacache "^11.3.2"
-    find-cache-dir "^2.0.0"
+    cacache "^12.0.2"
+    find-cache-dir "^2.1.0"
     is-wsl "^1.1.0"
-    loader-utils "^1.2.3"
     schema-utils "^1.0.0"
     serialize-javascript "^1.7.0"
     source-map "^0.6.1"
-    terser "^4.0.0"
-    webpack-sources "^1.3.0"
+    terser "^4.1.2"
+    webpack-sources "^1.4.0"
     worker-farm "^1.7.0"
 
-terser@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-4.0.0.tgz#ef356f6f359a963e2cc675517f21c1c382877374"
-  integrity sha512-dOapGTU0hETFl1tCo4t56FN+2jffoKyER9qBGoUFyZ6y7WLoKT0bF+lAYi6B6YsILcGF3q1C2FBh8QcKSCgkgA==
+terser@^4.1.2:
+  version "4.3.4"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-4.3.4.tgz#ad91bade95619e3434685d69efa621a5af5f877d"
+  integrity sha512-Kcrn3RiW8NtHBP0ssOAzwa2MsIRQ8lJWiBG/K7JgqPlomA3mtb2DEmp4/hrUA+Jujx+WZ02zqd7GYD+QRBB/2Q==
   dependencies:
-    commander "^2.19.0"
+    commander "^2.20.0"
     source-map "~0.6.1"
-    source-map-support "~0.5.10"
+    source-map-support "~0.5.12"
 
 test-exclude@^5.2.3:
   version "5.2.3"
@@ -9207,7 +9271,7 @@
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.3.2.tgz#1b4af4955eb3077c501c23872fc6513811587131"
   integrity sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA==
 
-v8-compile-cache@^2.0.2:
+v8-compile-cache@2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/v8-compile-cache/-/v8-compile-cache-2.0.3.tgz#00f7494d2ae2b688cfe2899df6ed2c54bef91dbe"
   integrity sha512-CNmdbwQMBjwr9Gsmohvm0pbL954tJrNzf6gWL3K+QMQf00PF7ERGrEiLgjuU3mKreLC2MeGhUsNV9ybTbLgd3w==
@@ -9246,14 +9310,12 @@
     core-util-is "1.0.2"
     extsprintf "^1.2.0"
 
-vm-browserify@0.0.4:
-  version "0.0.4"
-  resolved "https://registry.yarnpkg.com/vm-browserify/-/vm-browserify-0.0.4.tgz#5d7ea45bbef9e4a6ff65f95438e0a87c357d5a73"
-  integrity sha1-XX6kW7755Kb/ZflUOOCofDV9WnM=
-  dependencies:
-    indexof "0.0.1"
+vm-browserify@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/vm-browserify/-/vm-browserify-1.1.0.tgz#bd76d6a23323e2ca8ffa12028dc04559c75f9019"
+  integrity sha512-iq+S7vZJE60yejDYM0ek6zg308+UZsdtPExWP9VZoCFCz1zkJoXFnAX7aZfd/ZwrkidzdUZL0C/ryW+JwAiIGw==
 
-watchpack@^1.5.0:
+watchpack@^1.6.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/watchpack/-/watchpack-1.6.0.tgz#4bc12c2ebe8aa277a71f1d3f14d685c7b446cd00"
   integrity sha512-i6dHe3EyLjMmDlU1/bGQpEw25XSjkJULPuAVKCbNRefQVq48yXKUpwg538F7AZTf9kyr57zj++pQFltUa5H7yA==
@@ -9285,42 +9347,42 @@
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-4.0.2.tgz#a855980b1f0b6b359ba1d5d9fb39ae941faa63ad"
   integrity sha512-YQ+BmxuTgd6UXZW3+ICGfyqRyHXVlD5GtQr5+qjiNW7bF0cqrzX500HVXPBOvgXb5YnzDd+h0zqyv61KUD7+Sg==
 
-webpack-cli@^3.3.0:
-  version "3.3.3"
-  resolved "https://registry.yarnpkg.com/webpack-cli/-/webpack-cli-3.3.3.tgz#8b7587dee369a838eb4722f6cfa711c779011e5f"
-  integrity sha512-/qBxTvsxZ7bIFQtSa08QRY5BZuiJb27cbJM/nzmgXg9NEaudP20D7BruKKIuWfABqWoMEJQcNYYq/OxxSbPHlg==
+webpack-cli@^3.3.9:
+  version "3.3.9"
+  resolved "https://registry.yarnpkg.com/webpack-cli/-/webpack-cli-3.3.9.tgz#79c27e71f94b7fe324d594ab64a8e396b9daa91a"
+  integrity sha512-xwnSxWl8nZtBl/AFJCOn9pG7s5CYUYdZxmmukv+fAHLcBIHM36dImfpQg3WfShZXeArkWlf6QRw24Klcsv8a5A==
   dependencies:
-    chalk "^2.4.1"
-    cross-spawn "^6.0.5"
-    enhanced-resolve "^4.1.0"
-    findup-sync "^2.0.0"
-    global-modules "^1.0.0"
-    import-local "^2.0.0"
-    interpret "^1.1.0"
-    loader-utils "^1.1.0"
-    prettier "^1.17.0"
-    supports-color "^5.5.0"
-    v8-compile-cache "^2.0.2"
-    yargs "^12.0.5"
+    chalk "2.4.2"
+    cross-spawn "6.0.5"
+    enhanced-resolve "4.1.0"
+    findup-sync "3.0.0"
+    global-modules "2.0.0"
+    import-local "2.0.0"
+    interpret "1.2.0"
+    loader-utils "1.2.3"
+    supports-color "6.1.0"
+    v8-compile-cache "2.0.3"
+    yargs "13.2.4"
 
-webpack-dev-middleware@^3.7.0:
-  version "3.7.0"
-  resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-3.7.0.tgz#ef751d25f4e9a5c8a35da600c5fda3582b5c6cff"
-  integrity sha512-qvDesR1QZRIAZHOE3iQ4CXLZZSQ1lAUsSpnQmlB1PBfoN/xdRjmge3Dok0W4IdaVLJOGJy3sGI4sZHwjRU0PCA==
+webpack-dev-middleware@^3.7.1:
+  version "3.7.2"
+  resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-3.7.2.tgz#0019c3db716e3fa5cecbf64f2ab88a74bab331f3"
+  integrity sha512-1xC42LxbYoqLNAhV6YzTYacicgMZQTqRd27Sim9wn5hJrX3I5nxYy1SxSd4+gjUFsz1dQFj+yEe6zEVmSkeJjw==
   dependencies:
     memory-fs "^0.4.1"
-    mime "^2.4.2"
+    mime "^2.4.4"
+    mkdirp "^0.5.1"
     range-parser "^1.2.1"
     webpack-log "^2.0.0"
 
-webpack-dev-server@^3.2.1:
-  version "3.7.1"
-  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-3.7.1.tgz#ce10ca0ad6cf28b03e2ce9808684a8616039155d"
-  integrity sha512-GSBjjDMQ+uJI/Rcw/NfXDq5QpfE4HviafCy2SdbJ8Q22MwsnyoHd5TbWRfxgkbklsMx+ZNgWIKK+cB28ynjiDQ==
+webpack-dev-server@^3.8.1:
+  version "3.8.1"
+  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-3.8.1.tgz#485b64c4aadc23f601e72114b40c1b1fea31d9f1"
+  integrity sha512-9F5DnfFA9bsrhpUCAfQic/AXBVHvq+3gQS+x6Zj0yc1fVVE0erKh2MV4IV12TBewuTrYeeTIRwCH9qLMvdNvTw==
   dependencies:
     ansi-html "0.0.7"
     bonjour "^3.5.0"
-    chokidar "^2.1.6"
+    chokidar "^2.1.8"
     compression "^1.7.4"
     connect-history-api-fallback "^1.6.0"
     debug "^4.1.1"
@@ -9331,23 +9393,25 @@
     import-local "^2.0.0"
     internal-ip "^4.3.0"
     ip "^1.1.5"
+    is-absolute-url "^3.0.2"
     killable "^1.0.1"
-    loglevel "^1.6.2"
+    loglevel "^1.6.4"
     opn "^5.5.0"
     p-retry "^3.0.1"
-    portfinder "^1.0.20"
+    portfinder "^1.0.24"
     schema-utils "^1.0.0"
-    selfsigned "^1.10.4"
-    semver "^6.1.1"
+    selfsigned "^1.10.6"
+    semver "^6.3.0"
     serve-index "^1.9.1"
     sockjs "0.3.19"
-    sockjs-client "1.3.0"
-    spdy "^4.0.0"
+    sockjs-client "1.4.0"
+    spdy "^4.0.1"
     strip-ansi "^3.0.1"
     supports-color "^6.1.0"
     url "^0.11.0"
-    webpack-dev-middleware "^3.7.0"
+    webpack-dev-middleware "^3.7.1"
     webpack-log "^2.0.0"
+    ws "^6.2.1"
     yargs "12.0.5"
 
 webpack-log@^2.0.0:
@@ -9358,43 +9422,42 @@
     ansi-colors "^3.0.0"
     uuid "^3.3.2"
 
-webpack-sources@^1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.3.0.tgz#2a28dcb9f1f45fe960d8f1493252b5ee6530fa85"
-  integrity sha512-OiVgSrbGu7NEnEvQJJgdSFPl2qWKkWq5lHMhgiToIiN9w34EBnjYzSYs+VbL5KoYiLNtFFa7BZIKxRED3I32pA==
+webpack-sources@^1.4.0, webpack-sources@^1.4.1:
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.4.3.tgz#eedd8ec0b928fbf1cbfe994e22d2d890f330a933"
+  integrity sha512-lgTS3Xhv1lCOKo7SA5TjKXMjpSM4sBjNV5+q2bqesbSPs5FjGmU6jjtBSkX9b4qW87vDIsCIlUPOEhbZrMdjeQ==
   dependencies:
     source-list-map "^2.0.0"
     source-map "~0.6.1"
 
-webpack@^4.31.0:
-  version "4.33.0"
-  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.33.0.tgz#c30fc4307db432e5c5e3333aaa7c16a15a3b277e"
-  integrity sha512-ggWMb0B2QUuYso6FPZKUohOgfm+Z0sVFs8WwWuSH1IAvkWs428VDNmOlAxvHGTB9Dm/qOB/qtE5cRx5y01clxw==
+webpack@^4.41.0:
+  version "4.41.0"
+  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.41.0.tgz#db6a254bde671769f7c14e90a1a55e73602fc70b"
+  integrity sha512-yNV98U4r7wX1VJAj5kyMsu36T8RPPQntcb5fJLOsMz/pt/WrKC0Vp1bAlqPLkA1LegSwQwf6P+kAbyhRKVQ72g==
   dependencies:
     "@webassemblyjs/ast" "1.8.5"
     "@webassemblyjs/helper-module-context" "1.8.5"
     "@webassemblyjs/wasm-edit" "1.8.5"
     "@webassemblyjs/wasm-parser" "1.8.5"
-    acorn "^6.0.5"
-    acorn-dynamic-import "^4.0.0"
-    ajv "^6.1.0"
-    ajv-keywords "^3.1.0"
-    chrome-trace-event "^1.0.0"
+    acorn "^6.2.1"
+    ajv "^6.10.2"
+    ajv-keywords "^3.4.1"
+    chrome-trace-event "^1.0.2"
     enhanced-resolve "^4.1.0"
-    eslint-scope "^4.0.0"
+    eslint-scope "^4.0.3"
     json-parse-better-errors "^1.0.2"
-    loader-runner "^2.3.0"
-    loader-utils "^1.1.0"
-    memory-fs "~0.4.1"
-    micromatch "^3.1.8"
-    mkdirp "~0.5.0"
-    neo-async "^2.5.0"
-    node-libs-browser "^2.0.0"
+    loader-runner "^2.4.0"
+    loader-utils "^1.2.3"
+    memory-fs "^0.4.1"
+    micromatch "^3.1.10"
+    mkdirp "^0.5.1"
+    neo-async "^2.6.1"
+    node-libs-browser "^2.2.1"
     schema-utils "^1.0.0"
-    tapable "^1.1.0"
-    terser-webpack-plugin "^1.1.0"
-    watchpack "^1.5.0"
-    webpack-sources "^1.3.0"
+    tapable "^1.1.3"
+    terser-webpack-plugin "^1.4.1"
+    watchpack "^1.6.0"
+    webpack-sources "^1.4.1"
 
 websocket-driver@>=0.5.1:
   version "0.7.0"
@@ -9532,6 +9595,13 @@
   dependencies:
     mkdirp "^0.5.1"
 
+ws@^6.2.1:
+  version "6.2.1"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-6.2.1.tgz#442fdf0a47ed64f59b6a5d8ff130f4748ed524fb"
+  integrity sha512-GIyAXC2cB7LjvpgMt9EKS2ldqr0MTrORaleiOno6TweZ6r3TKtoFQWay/2PceJ3RuBasOHzXNn5Lrw1X0bEjqA==
+  dependencies:
+    async-limiter "~1.0.0"
+
 xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
@@ -9620,7 +9690,7 @@
     y18n "^4.0.0"
     yargs-parser "^13.0.0"
 
-yargs@^13.2.2:
+yargs@13.2.4, yargs@^13.2.2:
   version "13.2.4"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-13.2.4.tgz#0b562b794016eb9651b98bd37acf364aa5d6dc83"
   integrity sha512-HG/DWAJa1PAnHT9JAhNa8AbAv3FPaiLzioSjCcmuXXhP8MlpHO5vwls4g4j6n30Z74GVQj8Xa62dWVx1QCGklg==