diff --git a/package-lock.json b/package-lock.json
index 6393604..bba42c4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -176,6 +176,12 @@
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@@ -216,6 +222,12 @@
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@@ -4247,12 +4259,12 @@
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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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@@ -5697,9 +5709,9 @@
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@@ -6357,106 +6369,24 @@
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-        "lodash": "^4.17.2",
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@@ -6517,6 +6447,76 @@
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+          "requires": {
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+            "path-exists": "^3.0.0"
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+        "p-try": {
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+          "resolved": "https://registry.npmjs.org/p-try/-/p-try-2.2.0.tgz",
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+        "path-exists": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz",
+          "integrity": "sha1-zg6+ql94yxiSXqfYENe1mwEP1RU=",
+          "dev": true
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+          "resolved": "https://registry.npmjs.org/pkg-dir/-/pkg-dir-3.0.0.tgz",
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@@ -6599,12 +6599,12 @@
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+      "resolved": "https://registry.npmjs.org/internal-ip/-/internal-ip-3.0.1.tgz",
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-        "default-gateway": "^2.2.2",
+        "default-gateway": "^2.6.0",
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@@ -7524,6 +7524,12 @@
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+      "resolved": "https://registry.npmjs.org/killable/-/killable-1.0.1.tgz",
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@@ -8253,6 +8259,15 @@
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+      "resolved": "https://registry.npmjs.org/map-age-cleaner/-/map-age-cleaner-0.1.3.tgz",
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@@ -9451,12 +9466,24 @@
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+      "resolved": "https://registry.npmjs.org/p-defer/-/p-defer-1.0.0.tgz",
+      "integrity": "sha1-n26xgvbJqozXQwBKfU+WsZaw+ww=",
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+      "resolved": "https://registry.npmjs.org/p-is-promise/-/p-is-promise-2.1.0.tgz",
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@@ -11274,6 +11301,23 @@
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+      "resolved": "https://registry.npmjs.org/resolve-cwd/-/resolve-cwd-2.0.0.tgz",
+      "integrity": "sha1-AKn3OHVW4nA46uIyyqNypqWbZlo=",
+      "dev": true,
+      "requires": {
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@@ -12188,37 +12232,38 @@
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-      "integrity": "sha1-2bKJMWyn33dZXvKZ4HXw+TfrQgc=",
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+      "resolved": "https://registry.npmjs.org/sockjs/-/sockjs-0.3.19.tgz",
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-      "resolved": "https://registry.npmjs.org/sockjs-client/-/sockjs-client-1.1.4.tgz",
-      "integrity": "sha1-W6vjhrd15M8U51IJEUUmVAFsixI=",
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-        "debug": "^2.6.6",
-        "eventsource": "0.1.6",
-        "faye-websocket": "~0.11.0",
-        "inherits": "^2.0.1",
+        "debug": "^3.2.5",
+        "eventsource": "^1.0.7",
+        "faye-websocket": "~0.11.1",
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+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
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+          "dev": true,
+          "requires": {
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@@ -12227,6 +12272,12 @@
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@@ -12325,78 +12376,82 @@
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-      "integrity": "sha1-Qv9B7OXMD5mjpsKKq7c/XDsDrLw=",
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-        "debug": "^2.6.8",
-        "handle-thing": "^1.2.5",
+        "debug": "^4.1.0",
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+          "dev": true,
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+          "resolved": "https://registry.npmjs.org/p-try/-/p-try-2.2.0.tgz",
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@@ -14552,20 +14879,58 @@
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+          "requires": {
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+            "ajv-errors": "^1.0.0",
+            "ajv-keywords": "^3.1.0"
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+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
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+          "requires": {
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+              "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+              "dev": true,
+              "requires": {
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-          "integrity": "sha1-vnoN5ITexcXN34s9WRJQRJEvY1s=",
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-          "resolved": "https://registry.npmjs.org/which-module/-/which-module-1.0.0.tgz",
-          "integrity": "sha1-u6Y8qGGUiZT/MHc2CJ47lgJsKk8=",
-          "dev": true
+        "webpack-dev-middleware": {
+          "version": "3.4.0",
+          "resolved": "https://registry.npmjs.org/webpack-dev-middleware/-/webpack-dev-middleware-3.4.0.tgz",
+          "integrity": "sha512-Q9Iyc0X9dP9bAsYskAVJ/hmIZZQwf/3Sy4xCAZgL5cUkjZmUZLt4l5HpbST/Pdgjn3u6pE7u5OdGd1apgzRujA==",
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+            "mime": "^2.3.1",
+            "range-parser": "^1.0.3",
+            "webpack-log": "^2.0.0"
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@@ -14575,46 +14940,77 @@
           "requires": {
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             "strip-ansi": "^3.0.1"
+          },
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+            "is-fullwidth-code-point": {
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+              "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
+              "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
+              "dev": true,
+              "requires": {
+                "number-is-nan": "^1.0.0"
+              }
+            },
+            "string-width": {
+              "version": "1.0.2",
+              "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+              "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+              "dev": true,
+              "requires": {
+                "code-point-at": "^1.0.0",
+                "is-fullwidth-code-point": "^1.0.0",
+                "strip-ansi": "^3.0.0"
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-          "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
-          "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
+        "xregexp": {
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+          "resolved": "https://registry.npmjs.org/xregexp/-/xregexp-4.0.0.tgz",
+          "integrity": "sha512-PHyM+sQouu7xspQQwELlGwwd05mXUFqwFYfqPO0cC7x4fxyHnnuetmQr6CjJiafIDoH4MogHb9dOoJzR/Y4rFg==",
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-          "resolved": "https://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz",
-          "integrity": "sha1-eC7CHvQDNF+DCoCMo9UTr1YGUgg=",
+          "version": "12.0.2",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.2.tgz",
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           "dev": true,
           "requires": {
-            "camelcase": "^3.0.0",
-            "cliui": "^3.2.0",
-            "decamelize": "^1.1.1",
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+            "decamelize": "^2.0.0",
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             "get-caller-file": "^1.0.1",
-            "os-locale": "^1.4.0",
-            "read-pkg-up": "^1.0.1",
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-            "which-module": "^1.0.0",
-            "y18n": "^3.2.1",
-            "yargs-parser": "^4.2.0"
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+            "which-module": "^2.0.0",
+            "y18n": "^3.2.1 || ^4.0.0",
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-          "integrity": "sha1-KczqwNxPA8bIe0qfIX3RjJ90hxw=",
+          "version": "10.1.0",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-10.1.0.tgz",
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           "dev": true,
           "requires": {
-            "camelcase": "^3.0.0"
+            "camelcase": "^4.1.0"
           }
         }
       }
     },
+    "webpack-log": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/webpack-log/-/webpack-log-2.0.0.tgz",
+      "integrity": "sha512-cX8G2vR/85UYG59FgkoMamwHUIkSSlV3bBMRsbxVXVUk2j6NleCKjQ/WE9eYg9WY4w25O9w8wKP4rzNZFmUcUg==",
+      "dev": true,
+      "requires": {
+        "ansi-colors": "^3.0.0",
+        "uuid": "^3.3.2"
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     "webpack-merge": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/webpack-merge/-/webpack-merge-3.0.0.tgz",
diff --git a/package.json b/package.json
index 4c10522..bffbbba 100644
--- a/package.json
+++ b/package.json
@@ -89,7 +89,7 @@
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     "vue-template-compiler": "^2.4.4",
     "webpack": "^3.6.0",
-    "webpack-dev-server": "2.8.2",
+    "webpack-dev-server": "3.1.11",
     "webpack-merge": "^3.0.0"
   },
   "engines": {