diff --git a/package-lock.json b/package-lock.json
index 34c8179..e80200b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -104,6 +104,52 @@
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+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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+          "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.10.0.tgz",
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+          "dev": true,
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+            "chalk": "^1.1.1",
+            "cross-spawn": "^3.0.0",
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+            "lodash.mergewith": "^4.6.0",
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+            "mkdirp": "^0.5.1",
+            "nan": "^2.10.0",
+            "node-gyp": "^3.8.0",
+            "npmlog": "^4.0.0",
+            "request": "^2.88.0",
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@@ -112,6 +158,12 @@
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+          "dev": true
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@@ -563,6 +615,12 @@
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+    },
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@@ -646,6 +704,24 @@
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+      "resolved": "https://registry.npmjs.org/@socket.io/component-emitter/-/component-emitter-3.1.0.tgz",
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+      "resolved": "https://registry.npmjs.org/@types/cookie/-/cookie-0.4.1.tgz",
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+      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.12.tgz",
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@@ -1106,12 +1169,6 @@
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-      "integrity": "sha1-NhIfhFwFeBct5Bmpfb6x0W7DRUI=",
-      "dev": true,
-      "optional": true
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@@ -1370,12 +1426,6 @@
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-      "integrity": "sha1-R2iMuZu2gE8OBtPnY7HDLlfY5rY=",
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@@ -1827,6 +1833,16 @@
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@@ -2452,6 +2446,12 @@
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-      "integrity": "sha1-u6Y8qGGUiZT/MHc2CJ47lgJsKk8=",
-      "dev": true,
-      "optional": true
+      "integrity": "sha512-F6+WgncZi/mJDrammbTuHe1q0R5hOXv/mBaiNA2TCNT/LTHusX0V+CJnj9XT8ki5ln2UZyyddDgHfCzyrOH7MQ==",
+      "dev": true
     },
     "wide-align": {
       "version": "1.1.3",
@@ -10428,12 +10656,6 @@
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-    "wtf-8": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/wtf-8/-/wtf-8-1.0.0.tgz",
-      "integrity": "sha1-OS2LotDxw00e4tYw8V0O+2jhBIo=",
-      "dev": true
-    },
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       "resolved": "https://registry.npmjs.org/xml2js/-/xml2js-0.4.19.tgz",
@@ -10458,12 +10680,6 @@
       "integrity": "sha1-Ey7mPS7FVlxVfiD0wi35rKaGsQ0=",
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-    "xmlhttprequest-ssl": {
-      "version": "1.5.3",
-      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.3.tgz",
-      "integrity": "sha1-GFqIjATspGw+QHDZn3tJ3jUomS0=",
-      "dev": true
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       "resolved": "https://registry.npmjs.org/xregexp/-/xregexp-4.0.0.tgz",
@@ -10489,11 +10705,10 @@
       "dev": true
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     "yargs": {
-      "version": "7.1.0",
-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-7.1.0.tgz",
-      "integrity": "sha1-a6MY6xaWFyf10oT46gA+jWFU0Mg=",
+      "version": "7.1.2",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-7.1.2.tgz",
+      "integrity": "sha512-ZEjj/dQYQy0Zx0lgLMLR8QuaqTihnxirir7EwUHp1Axq4e3+k8jXU5K0VLbNvedv1f4EWtBonDIZm0NUr+jCcA==",
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-      "optional": true,
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         "cliui": "^3.2.0",
@@ -10507,50 +10722,41 @@
         "string-width": "^1.0.2",
         "which-module": "^1.0.0",
         "y18n": "^3.2.1",
-        "yargs-parser": "^5.0.0"
+        "yargs-parser": "^5.0.1"
       },
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         "camelcase": {
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
-          "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo=",
-          "dev": true,
-          "optional": true
+          "integrity": "sha512-4nhGqUkc4BqbBBB4Q6zLuD7lzzrHYrjKGeYaEji/3tFR5VdJu9v+LilhGIVe8wxEJPPOeWo7eg8dwY13TZ1BNg==",
+          "dev": true
         },
         "y18n": {
-          "version": "3.2.1",
-          "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
-          "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
-          "dev": true,
-          "optional": true
+          "version": "3.2.2",
+          "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.2.tgz",
+          "integrity": "sha512-uGZHXkHnhF0XeeAPgnKfPv1bgKAYyVvmNL1xlKsPYZPaIHxGti2hHqvOCQv71XMsLxu1QjergkqogUnms5D3YQ==",
+          "dev": true
         }
       }
     },
     "yargs-parser": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-5.0.0.tgz",
-      "integrity": "sha1-J17PDX/+Bcd+ZOfIbkzZS/DhIoo=",
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-5.0.1.tgz",
+      "integrity": "sha512-wpav5XYiddjXxirPoCTUPbqM0PXvJ9hiBMvuJgInvo4/lAOTZzUprArw17q2O1P2+GHhbBr18/iQwjL5Z9BqfA==",
       "dev": true,
-      "optional": true,
       "requires": {
-        "camelcase": "^3.0.0"
+        "camelcase": "^3.0.0",
+        "object.assign": "^4.1.0"
       },
       "dependencies": {
         "camelcase": {
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
-          "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo=",
-          "dev": true,
-          "optional": true
+          "integrity": "sha512-4nhGqUkc4BqbBBB4Q6zLuD7lzzrHYrjKGeYaEji/3tFR5VdJu9v+LilhGIVe8wxEJPPOeWo7eg8dwY13TZ1BNg==",
+          "dev": true
         }
       }
     },
-    "yeast": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/yeast/-/yeast-0.1.2.tgz",
-      "integrity": "sha1-AI4G2AlDIMNy28L47XagymyKxBk=",
-      "dev": true
-    },
     "yn": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/yn/-/yn-2.0.0.tgz",
diff --git a/package.json b/package.json
index 5c1cab2..b273512 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "codelyzer": "~4.2.1",
     "jasmine-core": "~2.99.1",
     "jasmine-spec-reporter": "~4.2.1",
-    "karma": "~1.7.1",
+    "karma": "~6.4.1",
     "karma-chrome-launcher": "~2.2.0",
     "karma-coverage-istanbul-reporter": "~1.4.2",
     "karma-jasmine": "~1.1.1",