diff --git a/package-lock.json b/package-lock.json
index 57f6f36..b04efd0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -55,6 +55,12 @@
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+      "resolved": "https://registry.npmjs.org/ajv-errors/-/ajv-errors-1.0.1.tgz",
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+    },
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       "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-3.2.0.tgz",
@@ -84,6 +90,12 @@
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+      "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-3.2.4.tgz",
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@@ -170,16 +182,6 @@
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-        "multicast-dns-service-types": "1.1.0"
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+        "dns-equal": "^1.0.0",
+        "dns-txt": "^2.0.2",
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-          "integrity": "sha1-Qmu52oQJDBg42BLIFQryCoMx4pY=",
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-2.1.2.tgz",
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@@ -1948,27 +1950,35 @@
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-      "resolved": "https://registry.npmjs.org/compressible/-/compressible-2.0.14.tgz",
-      "integrity": "sha1-MmxfUH+7BV9UEWeCuWmoG2einac=",
+      "version": "2.0.17",
+      "resolved": "https://registry.npmjs.org/compressible/-/compressible-2.0.17.tgz",
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+          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.40.0.tgz",
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-      "resolved": "https://registry.npmjs.org/compression/-/compression-1.7.3.tgz",
-      "integrity": "sha512-HSjyBG5N1Nnz7tF2+O7A9XUhyjru71/fwgNb7oIsEVHR0WShfs2tIS/EySLgiTe98aOK18YDlMXpzjCXY/n9mg==",
+      "version": "1.7.4",
+      "resolved": "https://registry.npmjs.org/compression/-/compression-1.7.4.tgz",
+      "integrity": "sha512-jaSIDzP9pZVS4ZfQ+TzvtiWhdpFhE2RDHz8QJkpX9SIpLq88VueF5jJw6t+6CUQcAoA6t+x89MLrWAqpfDE8iQ==",
       "dev": true,
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-        "accepts": "1.3.5",
+        "accepts": "~1.3.5",
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-        "compressible": "2.0.14",
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@@ -1990,9 +2000,9 @@
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-      "integrity": "sha1-sGhzk0vF40T+9hGhlqb6rgruAVo=",
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/connect-history-api-fallback/-/connect-history-api-fallback-1.6.0.tgz",
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@@ -2564,13 +2574,44 @@
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-      "resolved": "https://registry.npmjs.org/define-properties/-/define-properties-1.1.3.tgz",
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+    "default-gateway": {
+      "version": "2.7.2",
+      "resolved": "https://registry.npmjs.org/default-gateway/-/default-gateway-2.7.2.tgz",
+      "integrity": "sha512-lAc4i9QJR0YHSDFdzeBQKfZ1SRDG3hsJNEkrpcZa8QhBfidLAilT60BDEIVUUGqosFp425KOgB3uYqcnQrWafQ==",
       "dev": true,
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-        "object-keys": "1.0.12"
+        "execa": "^0.10.0",
+        "ip-regex": "^2.1.0"
+      },
+      "dependencies": {
+        "cross-spawn": {
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+          "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
+          "integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
+          "dev": true,
+          "requires": {
+            "nice-try": "^1.0.4",
+            "path-key": "^2.0.1",
+            "semver": "^5.5.0",
+            "shebang-command": "^1.2.0",
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+          "version": "0.10.0",
+          "resolved": "https://registry.npmjs.org/execa/-/execa-0.10.0.tgz",
+          "integrity": "sha512-7XOMnz8Ynx1gGo/3hyV9loYNPWM94jG3+3T3Y8tsfSstFmETmENCMU/A/zj8Lyaj1lkgEepKepvd6240tBRvlw==",
+          "dev": true,
+          "requires": {
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+            "get-stream": "^3.0.0",
+            "is-stream": "^1.1.0",
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@@ -2632,12 +2673,12 @@
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-        "p-map": "1.2.0",
-        "pify": "3.0.0",
-        "rimraf": "2.6.2"
+        "globby": "^6.1.0",
+        "is-path-cwd": "^1.0.0",
+        "is-path-in-cwd": "^1.0.0",
+        "p-map": "^1.1.1",
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@@ -2646,11 +2687,11 @@
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-            "glob": "7.1.2",
-            "object-assign": "4.1.1",
-            "pify": "2.3.0",
-            "pinkie-promise": "2.0.1"
+            "array-union": "^1.0.1",
+            "glob": "^7.0.3",
+            "object-assign": "^4.0.1",
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@@ -2707,9 +2748,9 @@
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-      "integrity": "sha1-ogM8CcyOFY03dI+951B4Mr1s4Sc=",
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/detect-node/-/detect-node-2.0.4.tgz",
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@@ -2745,8 +2786,8 @@
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       "dev": true,
       "requires": {
-        "ip": "1.1.5",
-        "safe-buffer": "5.1.2"
+        "ip": "^1.1.0",
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@@ -2755,7 +2796,7 @@
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       "dev": true,
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-        "buffer-indexof": "1.1.1"
+        "buffer-indexof": "^1.0.0"
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@@ -2965,30 +3006,6 @@
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@@ -3128,9 +3145,9 @@
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+      "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-3.1.2.tgz",
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@@ -3140,12 +3157,12 @@
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-      "integrity": "sha1-Cs7ehJ7X3RzMMsgRuxG5RNTykjI=",
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-1.0.7.tgz",
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       "dev": true,
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+        "original": "^1.0.0"
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@@ -3208,48 +3225,6 @@
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-          "integrity": "sha1-Afy7s5NGOlSPL0ZszhbezknbkI8=",
-          "dev": true,
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@@ -3436,7 +3411,7 @@
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       "dev": true,
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-        "websocket-driver": "0.7.0"
+        "websocket-driver": ">=0.5.1"
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@@ -3485,12 +3460,6 @@
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@@ -3595,15 +3564,6 @@
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@@ -3728,7 +3688,8 @@
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@@ -3749,12 +3710,14 @@
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@@ -3769,17 +3732,20 @@
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@@ -3896,7 +3862,8 @@
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@@ -3908,6 +3875,7 @@
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@@ -3922,6 +3890,7 @@
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@@ -3929,12 +3898,14 @@
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+          "optional": true
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@@ -3953,6 +3924,7 @@
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@@ -4033,7 +4005,8 @@
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@@ -4045,6 +4018,7 @@
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@@ -4130,7 +4104,8 @@
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+            "decamelize": "^2.0.0",
+            "find-up": "^3.0.0",
+            "get-caller-file": "^1.0.1",
+            "os-locale": "^3.0.0",
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-          "integrity": "sha1-KczqwNxPA8bIe0qfIX3RjJ90hxw=",
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           "dev": true,
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+            "camelcase": "^4.1.0"
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+    "webpack-log": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/webpack-log/-/webpack-log-2.0.0.tgz",
+      "integrity": "sha512-cX8G2vR/85UYG59FgkoMamwHUIkSSlV3bBMRsbxVXVUk2j6NleCKjQ/WE9eYg9WY4w25O9w8wKP4rzNZFmUcUg==",
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+        "uuid": "^3.3.2"
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@@ -11520,13 +11453,14 @@
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-      "integrity": "sha1-DK+dLXVdk67gSdS90NP+LMoqJOs=",
+      "version": "0.7.3",
+      "resolved": "https://registry.npmjs.org/websocket-driver/-/websocket-driver-0.7.3.tgz",
+      "integrity": "sha512-bpxWlvbbB459Mlipc5GBzzZwhoZgGEZLuqPaR0INBGnPAY1vdBX6hPnoFXiw+3yWxDuHyQjO2oXTMyS8A5haFg==",
       "dev": true,
       "requires": {
-        "http-parser-js": "0.4.13",
-        "websocket-extensions": "0.1.3"
+        "http-parser-js": ">=0.4.0 <0.4.11",
+        "safe-buffer": ">=5.1.0",
+        "websocket-extensions": ">=0.1.1"
       }
     },
     "websocket-extensions": {
@@ -11634,6 +11568,12 @@
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       }
     },
+    "xregexp": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/xregexp/-/xregexp-4.0.0.tgz",
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+      "dev": true
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diff --git a/package.json b/package.json
index 9087af4..e73a0ab 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
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     "webpack": "^3.6.0",
     "webpack-bundle-analyzer": "^2.9.0",
-    "webpack-dev-server": "^2.9.1",
+    "webpack-dev-server": "^3.1.11",
     "webpack-merge": "^4.1.0"
   },
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