diff --git a/package-lock.json b/package-lock.json
index cc022e6..baf1992 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -367,6 +367,7 @@
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@@ -720,7 +722,7 @@
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+      "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-7.2.6.tgz",
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@@ -757,7 +759,7 @@
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-          "resolved": "http://registry.npmjs.org/follow-redirects/-/follow-redirects-1.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.0.0.tgz",
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+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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@@ -1175,6 +1177,7 @@
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@@ -1589,7 +1593,7 @@
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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@@ -1849,8 +1853,7 @@
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-      "integrity": "sha1-3dgA2gxmEnOTzKWVDqloo6rxJTs=",
-      "dev": true
+      "integrity": "sha1-3dgA2gxmEnOTzKWVDqloo6rxJTs="
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@@ -1965,7 +1968,8 @@
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@@ -2232,7 +2236,7 @@
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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@@ -2402,7 +2406,7 @@
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+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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@@ -2693,7 +2697,7 @@
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-              "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+              "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
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@@ -2717,7 +2721,8 @@
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@@ -2853,7 +2858,7 @@
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-          "resolved": "http://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
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@@ -2953,9 +2958,9 @@
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+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/email-addresses/-/email-addresses-3.1.0.tgz",
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@@ -3007,6 +3012,22 @@
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+          "resolved": "https://registry.npmjs.org/ultron/-/ultron-1.0.2.tgz",
+          "integrity": "sha1-rOEWq1V80Zc4ak6I9GhTeMiy5Po=",
+          "dev": true
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+          "resolved": "https://registry.npmjs.org/ws/-/ws-1.1.5.tgz",
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+          "dev": true,
+          "requires": {
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+            "ultron": "1.0.x"
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@@ -3159,13 +3180,15 @@
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       "integrity": "sha1-UQnWLz5W6pZ8S2NQWu8IKRyKUgM=",
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@@ -3638,27 +3661,18 @@
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-      "integrity": "sha1-5hz4BfDeHJhFZ9A4bcXfUO5a9+Q="
+      "version": "2.0.0",
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-      "integrity": "sha1-syvYExnvWGO3MHi+1Q9GpPeXX1A=",
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/filenamify/-/filenamify-4.3.0.tgz",
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       "requires": {
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-        "humanize-url": "1.0.1"
+        "filename-reserved-regex": "^2.0.0",
+        "strip-outer": "^1.0.1",
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@@ -3686,7 +3700,7 @@
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+      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz",
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@@ -3876,7 +3890,8 @@
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@@ -3897,12 +3912,14 @@
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-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.1.11",
           "bundled": true,
           "dev": true,
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@@ -3917,17 +3934,20 @@
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           "version": "1.1.0",
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           "version": "0.0.1",
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+          "dev": true,
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@@ -4044,7 +4064,8 @@
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@@ -4056,6 +4077,7 @@
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@@ -4070,6 +4092,7 @@
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@@ -4077,12 +4100,14 @@
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@@ -4101,6 +4126,7 @@
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@@ -4181,7 +4207,8 @@
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@@ -4193,6 +4220,7 @@
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@@ -4278,7 +4306,8 @@
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@@ -4314,6 +4343,7 @@
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@@ -4333,6 +4363,7 @@
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@@ -4376,12 +4407,14 @@
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+          "dev": true,
+          "optional": true
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           "version": "3.0.2",
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@@ -4546,33 +4581,51 @@
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+      "resolved": "https://registry.npmjs.org/gh-pages/-/gh-pages-3.2.3.tgz",
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-        "commander": "2.19.0",
-        "email-addresses": "3.0.2",
-        "filenamify-url": "1.0.0",
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-        "globby": "6.1.0",
-        "graceful-fs": "4.1.11",
-        "rimraf": "2.6.2"
+        "async": "^2.6.1",
+        "commander": "^2.18.0",
+        "email-addresses": "^3.0.1",
+        "filenamify": "^4.3.0",
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+        "fs-extra": "^8.1.0",
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+          "version": "2.20.3",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
+          "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ=="
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+          "resolved": "https://registry.npmjs.org/find-cache-dir/-/find-cache-dir-3.3.1.tgz",
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+            "make-dir": "^3.0.2",
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+          "requires": {
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+            "path-exists": "^4.0.0"
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+          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
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-            "jsonfile": "4.0.0",
-            "universalify": "0.1.2"
+            "graceful-fs": "^4.2.0",
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@@ -4580,17 +4633,77 @@
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-            "glob": "7.1.3",
-            "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",
+            "pify": "^2.0.0",
+            "pinkie-promise": "^2.0.0"
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+        "graceful-fs": {
+          "version": "4.2.6",
+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.6.tgz",
+          "integrity": "sha512-nTnJ528pbqxYanhpDYsi4Rd8MAeaBA67+RZ10CM1m3bTAVFEDcd5AuA4a6W5YkGZ1iNXHzZz8T6TBKLeBuNriQ=="
+        },
+        "locate-path": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-5.0.0.tgz",
+          "integrity": "sha512-t7hw9pI+WvuwNJXwk5zVHpyhIqzg2qTlklJOf0mVxGSbe3Fp2VieZcduNYjaLDoy6p9uGpQEGWG87WpMKlNq8g==",
+          "requires": {
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diff --git a/package.json b/package.json
index 48720ee..6989d80 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
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-    "gh-pages": "^2.0.1",
+    "gh-pages": "^3.2.3",
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     "zone.js": "^0.8.19"