diff --git a/package-lock.json b/package-lock.json
index 901c6d3..855487b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -220,6 +220,7 @@
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       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "dev": true,
+      "optional": true,
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         "longest": "1.0.1",
@@ -328,13 +329,13 @@
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-      "integrity": "sha1-u13KOCu5TwXhUZQ3PRb9O6HKEQ0=",
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz",
+      "integrity": "sha512-5hYdAkZlcG8tOLujVDTgCT+uPX0VnpAH28gWsLfzpXYm7wP6mp5Q/gYyR7YQ0cKVJcXJnl3j2kpBan13PtQf6w==",
       "dev": true,
       "requires": {
-        "delegates": "1.0.0",
-        "readable-stream": "2.3.3"
+        "delegates": "^1.0.0",
+        "readable-stream": "^2.0.6"
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@@ -681,7 +682,7 @@
       "integrity": "sha1-E+v+d4oDIFz+A3UUgeu0szAMEmo=",
       "dev": true,
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-        "inherits": "2.0.3"
+        "inherits": "~2.0.0"
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@@ -816,8 +817,8 @@
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       "dev": true,
       "requires": {
-        "camelcase": "2.1.1",
-        "map-obj": "1.0.1"
+        "camelcase": "^2.0.0",
+        "map-obj": "^1.0.0"
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@@ -1095,18 +1096,18 @@
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       "dev": true,
       "requires": {
-        "lru-cache": "4.1.1",
-        "which": "1.3.0"
+        "lru-cache": "^4.0.1",
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+          "version": "4.1.5",
+          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.1.5.tgz",
+          "integrity": "sha512-sWZlbEP2OsHNkXrMl5GYk/jKk70MBng6UU4YI/qGDYbgf6YbP4EvmqISbXCoJiRKs+1bSpFHVgQxvJ17F2li5g==",
           "dev": true,
           "requires": {
-            "pseudomap": "1.0.2",
-            "yallist": "2.1.2"
+            "pseudomap": "^1.0.2",
+            "yallist": "^2.1.2"
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@@ -1179,7 +1180,7 @@
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       "dev": true,
       "requires": {
-        "array-find-index": "1.0.2"
+        "array-find-index": "^1.0.1"
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@@ -1255,6 +1256,15 @@
         "clone": "1.0.3"
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+    "define-properties": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/define-properties/-/define-properties-1.1.3.tgz",
+      "integrity": "sha512-3MqfYKj2lLzdMSf8ZIZE/V+Zuy+BgD6f164e8K2w7dgnpKArBDerGYpM46IYYcjnkdPNMjPk9A6VFB8+3SKlXQ==",
+      "dev": true,
+      "requires": {
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       "resolved": "https://registry.npmjs.org/del/-/del-2.2.2.tgz",
@@ -1817,6 +1827,18 @@
         "time-stamp": "1.1.0"
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+    "fast-deep-equal": {
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
+      "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==",
+      "dev": true
+    },
+    "fast-json-stable-stringify": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz",
+      "integrity": "sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw==",
+      "dev": true
+    },
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@@ -2055,7 +2077,8 @@
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-          "dev": true
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@@ -2106,7 +2129,8 @@
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-          "dev": true
+          "dev": true,
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@@ -2121,6 +2145,7 @@
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@@ -2129,6 +2154,7 @@
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           "bundled": true,
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@@ -2137,6 +2163,7 @@
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@@ -2145,7 +2172,8 @@
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-          "dev": true
+          "dev": true,
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@@ -2162,12 +2190,14 @@
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           "version": "1.1.0",
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           "version": "1.0.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -2175,22 +2205,26 @@
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           "version": "0.0.1",
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-          "dev": true
+          "dev": true,
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           "version": "1.1.0",
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-          "dev": true
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+          "dev": true,
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           "version": "2.0.5",
           "bundled": true,
           "dev": true,
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@@ -2230,7 +2264,8 @@
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           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
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@@ -2262,7 +2297,8 @@
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@@ -2284,12 +2320,14 @@
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-          "dev": true
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+          "optional": true
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           "version": "1.0.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -2345,6 +2383,7 @@
           "version": "7.1.2",
           "bundled": true,
           "dev": true,
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@@ -2357,7 +2396,8 @@
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           "version": "4.1.11",
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-          "dev": true
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@@ -2385,6 +2425,7 @@
           "version": "3.1.3",
           "bundled": true,
           "dev": true,
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             "cryptiles": "2.0.5",
@@ -2395,7 +2436,8 @@
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           "version": "2.16.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -2412,6 +2454,7 @@
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           "bundled": true,
           "dev": true,
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@@ -2420,7 +2463,8 @@
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@@ -2432,6 +2476,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
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@@ -2445,7 +2490,8 @@
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           "version": "1.0.0",
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-          "dev": true
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@@ -2518,12 +2564,14 @@
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           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "2.1.15",
           "bundled": true,
           "dev": true,
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@@ -2532,6 +2580,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -2539,12 +2588,14 @@
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           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -2599,7 +2650,8 @@
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           "version": "1.0.1",
           "bundled": true,
-          "dev": true
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@@ -2617,6 +2669,7 @@
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           "bundled": true,
           "dev": true,
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@@ -2646,7 +2699,8 @@
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           "version": "1.0.1",
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-          "dev": true
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@@ -2657,7 +2711,8 @@
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@@ -2695,6 +2750,7 @@
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           "bundled": true,
           "dev": true,
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@@ -2739,6 +2795,7 @@
           "version": "2.6.1",
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           "dev": true,
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@@ -2746,7 +2803,8 @@
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@@ -2770,6 +2828,7 @@
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           "dev": true,
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@@ -2803,6 +2862,7 @@
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           "dev": true,
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@@ -2813,6 +2873,7 @@
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@@ -2827,6 +2888,7 @@
           "version": "3.0.1",
           "bundled": true,
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@@ -2841,6 +2903,7 @@
           "version": "2.2.1",
           "bundled": true,
           "dev": true,
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@@ -2896,7 +2959,8 @@
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-          "dev": true
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@@ -2925,36 +2989,43 @@
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           "version": "1.0.2",
           "bundled": true,
-          "dev": true
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-      "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.11.tgz",
-      "integrity": "sha1-XB+x8RdHcRTwYyoOtLcbPLD9MXE=",
+      "version": "1.0.12",
+      "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.12.tgz",
+      "integrity": "sha512-WvJ193OHa0GHPEL+AycEJgxvBEwyfRkN1vhjca23OaPVMCaLCXTd5qAu82AjTcgP1UJmytkOKb63Ypde7raDIg==",
       "dev": true,
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-        "graceful-fs": "4.1.11",
-        "inherits": "2.0.3",
-        "mkdirp": "0.5.1",
-        "rimraf": "2.6.2"
+        "graceful-fs": "^4.1.2",
+        "inherits": "~2.0.0",
+        "mkdirp": ">=0.5 0",
+        "rimraf": "2"
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+      "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
+      "integrity": "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==",
+      "dev": true
+    },
     "gauge": {
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       "integrity": "sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=",
       "dev": true,
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-        "has-unicode": "2.0.1",
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-        "string-width": "1.0.2",
-        "strip-ansi": "3.0.1",
-        "wide-align": "1.1.2"
+        "aproba": "^1.0.3",
+        "console-control-strings": "^1.0.0",
+        "has-unicode": "^2.0.0",
+        "object-assign": "^4.1.0",
+        "signal-exit": "^3.0.0",
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1",
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@@ -2974,21 +3045,6 @@
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-      "integrity": "sha1-aFj+fAlpt9TpCTM3ZHrHn2DfvnQ=",
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-      "resolved": "https://registry.npmjs.org/generate-object-property/-/generate-object-property-1.2.0.tgz",
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-      "dev": true,
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@@ -3442,6 +3498,12 @@
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       "dev": true
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+    "has-symbols": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.1.tgz",
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@@ -3594,9 +3656,9 @@
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-      "integrity": "sha1-4g/146KvwmkDILbcVSaCqcf631E=",
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/in-publish/-/in-publish-2.0.1.tgz",
+      "integrity": "sha512-oDM0kUSNFC31ShNxHKUyfZKy8ZeXZBWMjMdZHKLOk13uvT27VTL/QzRGfRUcevJhpkZAvlhPYuXkF7eNWrtyxQ==",
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@@ -3605,7 +3667,7 @@
       "integrity": "sha1-ji1INIdCEhtKghi3oTfppSBJ3IA=",
       "dev": true,
       "requires": {
-        "repeating": "2.0.1"
+        "repeating": "^2.0.0"
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@@ -3824,18 +3886,6 @@
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-      "resolved": "https://registry.npmjs.org/is-my-json-valid/-/is-my-json-valid-2.16.1.tgz",
-      "integrity": "sha512-ochPsqWS1WXj8ZnMIV0vnNXooaMhp7cyL4FMSIPKTtnV0Ha/T19G2b9kkhcNsabV9bxYkze7/aLZJb/bYuFduQ==",
-      "dev": true,
-      "requires": {
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-        "generate-object-property": "1.2.0",
-        "jsonpointer": "4.0.1",
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@@ -3924,12 +3974,6 @@
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-      "resolved": "https://registry.npmjs.org/is-property/-/is-property-1.0.2.tgz",
-      "integrity": "sha1-V/4cTkhHTt1lsJkR8msc1Ald2oQ=",
-      "dev": true
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@@ -4180,9 +4224,9 @@
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