diff --git a/package.json b/package.json
index f74bd642..bf1162c9 100644
--- a/package.json
+++ b/package.json
@@ -102,7 +102,7 @@
     "svelte-loader": "^2.13.6",
     "svelte-transitions": "^1.2.0",
     "svgo": "^1.3.2",
-    "terser-webpack-plugin": "^2.3.5",
+    "terser-webpack-plugin": "^3.0.0",
     "tesseract.js": "^2.0.2",
     "tesseract.js-core": "^2.0.0",
     "text-encoding": "^0.7.0",
diff --git a/yarn.lock b/yarn.lock
index f6ca2415..506e622d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2380,28 +2380,27 @@ cacache@^12.0.2:
     unique-filename "^1.1.1"
     y18n "^4.0.0"
 
-cacache@^13.0.1:
-  version "13.0.1"
-  resolved "https://registry.yarnpkg.com/cacache/-/cacache-13.0.1.tgz#a8000c21697089082f85287a1aec6e382024a71c"
-  integrity sha512-5ZvAxd05HDDU+y9BVvcqYu2LLXmPnQ0hW62h32g4xBTgL/MppR4/04NHfj/ycM2y6lmTnbw6HVi+1eN0Psba6w==
+cacache@^15.0.3:
+  version "15.0.3"
+  resolved "https://registry.yarnpkg.com/cacache/-/cacache-15.0.3.tgz#2225c2d1dd8e872339950d6a39c051e0e9334392"
+  integrity sha512-bc3jKYjqv7k4pWh7I/ixIjfcjPul4V4jme/WbjvwGS5LzoPL/GzXr4C5EgPNLO/QEZl9Oi61iGitYEdwcrwLCQ==
   dependencies:
-    chownr "^1.1.2"
-    figgy-pudding "^3.5.1"
+    chownr "^2.0.0"
     fs-minipass "^2.0.0"
     glob "^7.1.4"
-    graceful-fs "^4.2.2"
     infer-owner "^1.0.4"
     lru-cache "^5.1.1"
-    minipass "^3.0.0"
+    minipass "^3.1.1"
     minipass-collect "^1.0.2"
     minipass-flush "^1.0.5"
     minipass-pipeline "^1.2.2"
-    mkdirp "^0.5.1"
-    move-concurrently "^1.0.1"
-    p-map "^3.0.0"
+    mkdirp "^1.0.3"
+    move-file "^2.0.0"
+    p-map "^4.0.0"
     promise-inflight "^1.0.1"
-    rimraf "^2.7.1"
-    ssri "^7.0.0"
+    rimraf "^3.0.2"
+    ssri "^8.0.0"
+    tar "^6.0.2"
     unique-filename "^1.1.1"
 
 cache-base@^1.0.1:
@@ -2628,11 +2627,16 @@ chokidar@^3.3.1:
   optionalDependencies:
     fsevents "~2.1.2"
 
-chownr@^1.1.1, chownr@^1.1.2:
+chownr@^1.1.1:
   version "1.1.4"
   resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.4.tgz#6fc9d7b42d32a583596337666e7d08084da2cc6b"
   integrity sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg==
 
+chownr@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/chownr/-/chownr-2.0.0.tgz#15bfbe53d2eab4cf70f18a8cd68ebe5b3cb1dece"
+  integrity sha512-bIomtDF5KGpdogkLd9VspvFzk9KfpyyGlS8YFVZl7TGPBHL5snIOnxeshwVgPteQ9b4Eydl+pVbIyE1DcvCWgQ==
+
 chrome-remote-interface@^0.25.3:
   version "0.25.7"
   resolved "https://registry.yarnpkg.com/chrome-remote-interface/-/chrome-remote-interface-0.25.7.tgz#827e85fbef3cc561a9ef2404eb7eee355968c5bc"
@@ -4177,7 +4181,7 @@ find-cache-dir@^2.1.0:
     make-dir "^2.0.0"
     pkg-dir "^3.0.0"
 
-find-cache-dir@^3.2.0:
+find-cache-dir@^3.3.1:
   version "3.3.1"
   resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-3.3.1.tgz#89b33fad4a4670daa94f855f7fbe31d6d84fe880"
   integrity sha512-t2GDMt3oGC/v+BMwzmllWDuJF/xcDtE5j/fCGbqDD7OLuJkj0cfh1YSA5VKPvwMeLFLNDBkwOKZ2X85jGLVftQ==
@@ -5298,10 +5302,10 @@ jest-worker@^24.9.0:
     merge-stream "^2.0.0"
     supports-color "^6.1.0"
 
-jest-worker@^25.1.0:
-  version "25.1.0"
-  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-25.1.0.tgz#75d038bad6fdf58eba0d2ec1835856c497e3907a"
-  integrity sha512-ZHhHtlxOWSxCoNOKHGbiLzXnl42ga9CxDr27H36Qn+15pQZd3R/F24jrmjDelw9j/iHUIWMWs08/u2QN50HHOg==
+jest-worker@^25.5.0:
+  version "25.5.0"
+  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-25.5.0.tgz#2611d071b79cea0f43ee57a3d118593ac1547db1"
+  integrity sha512-/dsSmUkIy5EBGfv/IjjqmFxrNAUpBERfGs1oHROyD7yxjG/w+t0GOJDX8O1k32ySmd7+a5IhnJU2qQFcJ4n1vw==
   dependencies:
     merge-stream "^2.0.0"
     supports-color "^7.0.0"
@@ -5902,6 +5906,14 @@ minipass@^3.0.0, minipass@^3.1.1:
   dependencies:
     yallist "^4.0.0"
 
+minizlib@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-2.1.0.tgz#fd52c645301ef09a63a2c209697c294c6ce02cf3"
+  integrity sha512-EzTZN/fjSvifSX0SlqUERCN39o6T40AMarPbv0MrarSFtIITCBh7bi+dU8nxGFHuqs9jdIAeoYoKuQAAASsPPA==
+  dependencies:
+    minipass "^3.0.0"
+    yallist "^4.0.0"
+
 mississippi@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/mississippi/-/mississippi-3.0.0.tgz#ea0a3291f97e0b5e8776b363d5f0a12d94c67022"
@@ -5990,6 +6002,13 @@ move-concurrently@^1.0.1:
     rimraf "^2.5.4"
     run-queue "^1.0.3"
 
+move-file@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/move-file/-/move-file-2.0.0.tgz#83ffa309b5d7f69d518b28e1333e2ffadf331e3e"
+  integrity sha512-cdkdhNCgbP5dvS4tlGxZbD+nloio9GIimP57EjqFhwLcMjnU+XJKAZzlmg/TN/AK1LuNAdTSvm3CPPP4Xkv0iQ==
+  dependencies:
+    path-exists "^4.0.0"
+
 ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
@@ -6468,13 +6487,20 @@ p-limit@^1.1.0:
   dependencies:
     p-try "^1.0.0"
 
-p-limit@^2.0.0, p-limit@^2.2.0, p-limit@^2.2.2:
+p-limit@^2.0.0, p-limit@^2.2.0:
   version "2.2.2"
   resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-2.2.2.tgz#61279b67721f5287aa1c13a9a7fbbc48c9291b1e"
   integrity sha512-WGR+xHecKTr7EbUEhyLSh5Dube9JtdiG78ufaeLxTgpudf/20KqyMioIUZJAezlTIi6evxuoUs9YXc11cU+yzQ==
   dependencies:
     p-try "^2.0.0"
 
+p-limit@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-2.3.0.tgz#3dd33c647a214fdfffd835933eb086da0dc21db1"
+  integrity sha512-//88mFWSJx8lxCzwdAABTJL2MyWB12+eIY7MDL2SqLmAkeKU9qxRvWuSyTjm3FUmpBEMuFfckAIqEaVGUDxb6w==
+  dependencies:
+    p-try "^2.0.0"
+
 p-locate@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/p-locate/-/p-locate-2.0.0.tgz#20a0103b222a70c8fd39cc2e580680f3dde5ec43"
@@ -6508,6 +6534,13 @@ p-map@^3.0.0:
   dependencies:
     aggregate-error "^3.0.0"
 
+p-map@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/p-map/-/p-map-4.0.0.tgz#bb2f95a5eda2ec168ec9274e06a747c3e2904d2b"
+  integrity sha512-/bjOqmgETBYB5BoEeGVea8dmvHb2m9GLy1E9W43yeyfP6QQCZGFNa+XRceJEuDB6zqr+gKpIAmlLebMpykw/MQ==
+  dependencies:
+    aggregate-error "^3.0.0"
+
 p-some@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/p-some/-/p-some-5.0.0.tgz#8b730c74b4fe5169d7264a240ad010b6ebc686a4"
@@ -7444,7 +7477,7 @@ reusify@^1.0.4:
   resolved "https://registry.yarnpkg.com/reusify/-/reusify-1.0.4.tgz#90da382b1e126efc02146e90845a88db12925d76"
   integrity sha512-U9nH88a3fc/ekCF1l0/UP1IosiuIjyTh7hBvXVMHYgVcfGvt897Xguj2UOLDeI5BG2m7/uwyaLVT6fbtCwTyzw==
 
-rimraf@2, rimraf@^2.2.8, rimraf@^2.5.4, rimraf@^2.6.3, rimraf@^2.7.1:
+rimraf@2, rimraf@^2.2.8, rimraf@^2.5.4, rimraf@^2.6.3:
   version "2.7.1"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.7.1.tgz#35797f13a7fdadc566142c29d4f07ccad483e3ec"
   integrity sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==
@@ -7458,7 +7491,7 @@ rimraf@2.6.3:
   dependencies:
     glob "^7.1.3"
 
-rimraf@^3.0.0:
+rimraf@^3.0.0, rimraf@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-3.0.2.tgz#f1a5402ba6220ad52cc1282bac1ae3aa49fd061a"
   integrity sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==
@@ -7605,7 +7638,7 @@ schema-utils@^1.0.0:
     ajv-errors "^1.0.0"
     ajv-keywords "^3.1.0"
 
-schema-utils@^2.6.0, schema-utils@^2.6.4, schema-utils@^2.6.5:
+schema-utils@^2.6.0, schema-utils@^2.6.5:
   version "2.6.5"
   resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-2.6.5.tgz#c758f0a7e624263073d396e29cd40aa101152d8a"
   integrity sha512-5KXuwKziQrTVHh8j/Uxz+QUbxkaLW9X/86NBlx/gnKgtsZA2GIVMUn17qWhRFwF8jdYb3Dig5hRO/W5mZqy6SQ==
@@ -7613,6 +7646,14 @@ schema-utils@^2.6.0, schema-utils@^2.6.4, schema-utils@^2.6.5:
     ajv "^6.12.0"
     ajv-keywords "^3.4.1"
 
+schema-utils@^2.6.6:
+  version "2.6.6"
+  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-2.6.6.tgz#299fe6bd4a3365dc23d99fd446caff8f1d6c330c"
+  integrity sha512-wHutF/WPSbIi9x6ctjGGk2Hvl0VOz5l3EKEuKbjPlB30mKZUzb9A5k9yEXRX3pwyqVLPvpfZZEllaFq/M718hA==
+  dependencies:
+    ajv "^6.12.0"
+    ajv-keywords "^3.4.1"
+
 scss-tokenizer@^0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/scss-tokenizer/-/scss-tokenizer-0.2.3.tgz#8eb06db9a9723333824d3f5530641149847ce5d1"
@@ -7670,6 +7711,11 @@ serialize-javascript@^2.1.2:
   resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-2.1.2.tgz#ecec53b0e0317bdc95ef76ab7074b7384785fa61"
   integrity sha512-rs9OggEUF0V4jUSecXazOYsLfu7OGK2qIn3c7IPBiffz32XniEp/TX9Xmc9LQfK2nQ2QKHvZ2oygKUGU0lG4jQ==
 
+serialize-javascript@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-3.0.0.tgz#492e489a2d77b7b804ad391a5f5d97870952548e"
+  integrity sha512-skZcHYw2vEX4bw90nAr2iTTsz6x2SrHEnfxgKYmZlvJYBEZrvbKtobJWlQ20zczKb3bsHHXXTYt48zBA7ni9cw==
+
 serve-static@1.14.1:
   version "1.14.1"
   resolved "https://registry.yarnpkg.com/serve-static/-/serve-static-1.14.1.tgz#666e636dc4f010f7ef29970a88a674320898b2f9"
@@ -7931,12 +7977,11 @@ ssri@^6.0.1:
   dependencies:
     figgy-pudding "^3.5.1"
 
-ssri@^7.0.0:
-  version "7.1.0"
-  resolved "https://registry.yarnpkg.com/ssri/-/ssri-7.1.0.tgz#92c241bf6de82365b5c7fb4bd76e975522e1294d"
-  integrity sha512-77/WrDZUWocK0mvA5NTRQyveUf+wsrIc6vyrxpS8tVvYBcX215QbafrJR3KtkpskIzoFLqqNuuYQvxaMjXJ/0g==
+ssri@^8.0.0:
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/ssri/-/ssri-8.0.0.tgz#79ca74e21f8ceaeddfcb4b90143c458b8d988808"
+  integrity sha512-aq/pz989nxVYwn16Tsbj1TqFpD5LLrQxHf5zaHuieFV+R0Bbr4y8qUsOA45hXT/N4/9UNXTarBjnjVmjSOVaAA==
   dependencies:
-    figgy-pudding "^3.5.1"
     minipass "^3.1.1"
 
 stable@^0.1.8:
@@ -8308,6 +8353,18 @@ tar@^2.0.0:
     fstream "^1.0.12"
     inherits "2"
 
+tar@^6.0.2:
+  version "6.0.2"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-6.0.2.tgz#5df17813468a6264ff14f766886c622b84ae2f39"
+  integrity sha512-Glo3jkRtPcvpDlAs/0+hozav78yoXKFr+c4wgw62NNMO3oo4AaJdCo21Uu7lcwr55h39W2XD1LMERc64wtbItg==
+  dependencies:
+    chownr "^2.0.0"
+    fs-minipass "^2.0.0"
+    minipass "^3.0.0"
+    minizlib "^2.1.0"
+    mkdirp "^1.0.3"
+    yallist "^4.0.0"
+
 terser-webpack-plugin@^1.4.3:
   version "1.4.3"
   resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-1.4.3.tgz#5ecaf2dbdc5fb99745fd06791f46fc9ddb1c9a7c"
@@ -8323,22 +8380,22 @@ terser-webpack-plugin@^1.4.3:
     webpack-sources "^1.4.0"
     worker-farm "^1.7.0"
 
-terser-webpack-plugin@^2.3.5:
-  version "2.3.5"
-  resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-2.3.5.tgz#5ad971acce5c517440ba873ea4f09687de2f4a81"
-  integrity sha512-WlWksUoq+E4+JlJ+h+U+QUzXpcsMSSNXkDy9lBVkSqDn1w23Gg29L/ary9GeJVYCGiNJJX7LnVc4bwL1N3/g1w==
+terser-webpack-plugin@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-3.0.0.tgz#533d7189efc43d1bc21d89f1cd2b4b1e0c7441aa"
+  integrity sha512-gHAVFtJz1gQW5cu0btPtb+5Syo7K9hRj3b0lstgfglaBhbtcOCizsaPTnxOBGmF9iIgwsrSIiraBa2xzuWND7Q==
   dependencies:
-    cacache "^13.0.1"
-    find-cache-dir "^3.2.0"
-    jest-worker "^25.1.0"
-    p-limit "^2.2.2"
-    schema-utils "^2.6.4"
-    serialize-javascript "^2.1.2"
+    cacache "^15.0.3"
+    find-cache-dir "^3.3.1"
+    jest-worker "^25.5.0"
+    p-limit "^2.3.0"
+    schema-utils "^2.6.6"
+    serialize-javascript "^3.0.0"
     source-map "^0.6.1"
-    terser "^4.4.3"
+    terser "^4.6.13"
     webpack-sources "^1.4.3"
 
-terser@^4.1.2, terser@^4.4.3, terser@^4.6.2:
+terser@^4.1.2, terser@^4.6.2:
   version "4.6.7"
   resolved "https://registry.yarnpkg.com/terser/-/terser-4.6.7.tgz#478d7f9394ec1907f0e488c5f6a6a9a2bad55e72"
   integrity sha512-fmr7M1f7DBly5cX2+rFDvmGBAaaZyPrHYK4mMdHEDAdNTqXSZgSOfqsfGq2HqPGT/1V0foZZuCZFx8CHKgAk3g==
@@ -8347,6 +8404,15 @@ terser@^4.1.2, terser@^4.4.3, terser@^4.6.2:
     source-map "~0.6.1"
     source-map-support "~0.5.12"
 
+terser@^4.6.13:
+  version "4.6.13"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-4.6.13.tgz#e879a7364a5e0db52ba4891ecde007422c56a916"
+  integrity sha512-wMvqukYgVpQlymbnNbabVZbtM6PN63AzqexpwJL8tbh/mRT9LE5o+ruVduAGL7D6Fpjl+Q+06U5I9Ul82odAhw==
+  dependencies:
+    commander "^2.20.0"
+    source-map "~0.6.1"
+    source-map-support "~0.5.12"
+
 tesseract.js-core@^2.0.0, tesseract.js-core@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/tesseract.js-core/-/tesseract.js-core-2.2.0.tgz#6ef78051272a381969fac3e45a226e85022cffef"