diff --git a/package-lock.json b/package-lock.json
index 3992879..f5bcfe5 100644
--- a/package-lock.json
+++ b/package-lock.json
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       "dev": true,
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-        "esutils": "2.0.2",
-        "js-tokens": "3.0.2"
+        "chalk": "^2.0.0",
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           "dev": true,
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+            "color-convert": "^1.9.0"
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-            "escape-string-regexp": "1.0.5",
-            "supports-color": "4.5.0"
+            "ansi-styles": "^3.1.0",
+            "escape-string-regexp": "^1.0.5",
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@@ -41,7 +41,7 @@
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-        "lodash": "4.17.4"
+        "lodash": "^4.2.0"
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-        "debug": "3.1.0",
-        "globals": "10.4.0",
-        "invariant": "2.2.2",
-        "lodash": "4.17.4"
+        "debug": "^3.0.1",
+        "globals": "^10.0.0",
+        "invariant": "^2.2.0",
+        "lodash": "^4.2.0"
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       "dev": true,
       "requires": {
-        "esutils": "2.0.2",
-        "lodash": "4.17.4",
-        "to-fast-properties": "2.0.0"
+        "esutils": "^2.0.2",
+        "lodash": "^4.2.0",
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       "dev": true
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+    "@types/color-name": {
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+      "resolved": "https://registry.npmjs.org/@types/color-name/-/color-name-1.1.1.tgz",
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+    },
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       "dev": true,
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-        "through": "2.3.8"
+        "jsonparse": "^1.2.0",
+        "through": ">=2.2.7 <3"
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@@ -157,7 +162,7 @@
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@@ -174,8 +179,8 @@
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-        "co": "4.6.0",
-        "json-stable-stringify": "1.0.1"
+        "co": "^4.6.0",
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@@ -189,10 +194,11 @@
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+      "optional": true,
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-        "longest": "1.0.1",
-        "repeat-string": "1.6.1"
+        "kind-of": "^3.0.2",
+        "longest": "^1.0.1",
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+      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
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@@ -257,7 +264,7 @@
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-        "es-abstract": "1.10.0"
+        "define-properties": "^1.1.2",
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-        "esutils": "2.0.2",
-        "js-tokens": "3.0.2"
+        "chalk": "^1.1.3",
+        "esutils": "^2.0.2",
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@@ -347,8 +354,8 @@
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-        "core-js": "2.5.1",
-        "regenerator-runtime": "0.11.0"
+        "core-js": "^2.4.0",
+        "regenerator-runtime": "^0.11.0"
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@@ -370,7 +377,7 @@
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+        "tweetnacl": "^0.14.3"
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       "dev": true,
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+        "hoek": "2.x.x"
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       "dev": true,
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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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@@ -454,8 +461,8 @@
       "dev": true,
       "optional": true,
       "requires": {
-        "align-text": "0.1.4",
-        "lazy-cache": "1.0.4"
+        "align-text": "^0.1.3",
+        "lazy-cache": "^1.0.3"
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@@ -464,11 +471,11 @@
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-        "has-ansi": "2.0.0",
-        "strip-ansi": "3.0.1",
-        "supports-color": "2.0.0"
+        "ansi-styles": "^2.2.1",
+        "escape-string-regexp": "^1.0.2",
+        "has-ansi": "^2.0.0",
+        "strip-ansi": "^3.0.0",
+        "supports-color": "^2.0.0"
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@@ -501,7 +508,7 @@
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       "dev": true,
       "requires": {
-        "restore-cursor": "1.0.1"
+        "restore-cursor": "^1.0.1"
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@@ -517,7 +524,7 @@
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-        "string-width": "1.0.2"
+        "string-width": "^1.0.1"
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@@ -533,8 +540,8 @@
       "dev": true,
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       "requires": {
-        "center-align": "0.1.3",
-        "right-align": "0.1.3",
+        "center-align": "^0.1.1",
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+      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
+      "dev": true
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       "dev": true,
       "requires": {
-        "color-name": "1.1.3"
+        "color-name": "^1.1.1"
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@@ -585,7 +593,7 @@
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       "dev": true,
       "requires": {
-        "delayed-stream": "1.0.0"
+        "delayed-stream": "~1.0.0"
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+        "babel-runtime": "^6.26.0"
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-        "array-ify": "1.0.0",
-        "dot-prop": "3.0.0"
+        "array-ify": "^1.0.0",
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       "dev": true,
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-        "readable-stream": "2.3.3",
-        "typedarray": "0.0.6"
+        "inherits": "^2.0.3",
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-        "conventional-changelog-codemirror": "0.2.1",
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-        "conventional-changelog-ember": "0.2.9",
-        "conventional-changelog-eslint": "0.2.1",
-        "conventional-changelog-express": "0.2.1",
-        "conventional-changelog-jquery": "0.1.0",
-        "conventional-changelog-jscs": "0.1.0",
-        "conventional-changelog-jshint": "0.2.1"
+        "conventional-changelog-angular": "^1.5.2",
+        "conventional-changelog-atom": "^0.1.2",
+        "conventional-changelog-codemirror": "^0.2.1",
+        "conventional-changelog-core": "^1.9.3",
+        "conventional-changelog-ember": "^0.2.9",
+        "conventional-changelog-eslint": "^0.2.1",
+        "conventional-changelog-express": "^0.2.1",
+        "conventional-changelog-jquery": "^0.1.0",
+        "conventional-changelog-jscs": "^0.1.0",
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-        "compare-func": "1.3.2",
-        "q": "1.5.1"
+        "compare-func": "^1.3.1",
+        "q": "^1.4.1"
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+        "q": "^1.4.1"
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       "dev": true,
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+        "q": "^1.4.1"
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-        "conventional-commits-parser": "2.0.1",
-        "dateformat": "1.0.12",
-        "get-pkg-repo": "1.4.0",
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-        "git-semver-tags": "1.2.3",
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-        "q": "1.5.1",
-        "read-pkg": "1.1.0",
-        "read-pkg-up": "1.0.1",
-        "through2": "2.0.3"
+        "conventional-changelog-writer": "^2.0.2",
+        "conventional-commits-parser": "^2.0.1",
+        "dateformat": "^1.0.12",
+        "get-pkg-repo": "^1.0.0",
+        "git-raw-commits": "^1.3.0",
+        "git-remote-origin-url": "^2.0.0",
+        "git-semver-tags": "^1.2.3",
+        "lodash": "^4.0.0",
+        "normalize-package-data": "^2.3.5",
+        "q": "^1.4.1",
+        "read-pkg": "^1.1.0",
+        "read-pkg-up": "^1.0.1",
+        "through2": "^2.0.0"
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+        "q": "^1.4.1"
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+        "q": "^1.4.1"
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-        "q": "1.5.1"
+        "compare-func": "^1.3.1",
+        "q": "^1.4.1"
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-        "dateformat": "1.0.12",
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-        "json-stringify-safe": "5.0.1",
-        "lodash": "4.17.4",
-        "meow": "3.7.0",
-        "semver": "5.4.1",
-        "split": "1.0.1",
-        "through2": "2.0.3"
+        "compare-func": "^1.3.1",
+        "conventional-commits-filter": "^1.1.0",
+        "dateformat": "^1.0.11",
+        "handlebars": "^4.0.2",
+        "json-stringify-safe": "^5.0.1",
+        "lodash": "^4.0.0",
+        "meow": "^3.3.0",
+        "semver": "^5.0.1",
+        "split": "^1.0.0",
+        "through2": "^2.0.0"
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       "dev": true,
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-        "is-subset": "0.1.1",
-        "modify-values": "1.0.0"
+        "is-subset": "^0.1.1",
+        "modify-values": "^1.0.0"
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-        "split2": "2.2.0",
-        "through2": "2.0.3",
-        "trim-off-newlines": "1.0.1"
+        "JSONStream": "^1.0.4",
+        "is-text-path": "^1.0.0",
+        "lodash": "^4.2.1",
+        "meow": "^3.3.0",
+        "split2": "^2.0.0",
+        "through2": "^2.0.0",
+        "trim-off-newlines": "^1.0.0"
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+        "acorn": "^5.2.1",
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-        "hoek": "2.16.3",
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+        "cryptiles": "2.x.x",
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       "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
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-        "jsonpointer": "4.0.1",
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+      "integrity": "sha1-EtSj3U5o4Lec6428hBc66A2RykQ=",
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@@ -2805,15 +2833,16 @@
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@@ -2861,12 +2890,12 @@
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-            "minimatch": "3.0.4",
-            "once": "1.4.0",
-            "path-is-absolute": "1.0.1"
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.2",
+            "once": "^1.3.0",
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@@ -2889,13 +2918,14 @@
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       "dev": true,
       "requires": {
-        "mime-db": "1.30.0"
+        "mime-db": "~1.30.0"
       }
     },
     "mimic-fn": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-1.1.0.tgz",
-      "integrity": "sha1-5md4PZLonb00KBi1IwudYqZyrRg="
+      "integrity": "sha1-5md4PZLonb00KBi1IwudYqZyrRg=",
+      "dev": true
     },
     "minimatch": {
       "version": "3.0.4",
@@ -2903,7 +2933,7 @@
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       "dev": true,
       "requires": {
-        "brace-expansion": "1.1.8"
+        "brace-expansion": "^1.1.7"
       }
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     "minimist": {
@@ -2917,7 +2947,7 @@
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       "dev": true,
       "requires": {
-        "yallist": "3.0.2"
+        "yallist": "^3.0.0"
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@@ -2966,7 +2996,7 @@
       "integrity": "sha1-xkZdvwirzU2zWTF/eaxopkayj/k=",
       "dev": true,
       "requires": {
-        "abbrev": "1.1.1"
+        "abbrev": "1"
       }
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     "normalize-package-data": {
@@ -2975,10 +3005,10 @@
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       "dev": true,
       "requires": {
-        "hosted-git-info": "2.5.0",
-        "is-builtin-module": "1.0.0",
-        "semver": "5.4.1",
-        "validate-npm-package-license": "3.0.1"
+        "hosted-git-info": "^2.1.4",
+        "is-builtin-module": "^1.0.0",
+        "semver": "2 || 3 || 4 || 5",
+        "validate-npm-package-license": "^3.0.1"
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     "normalize-path": {
@@ -2993,15 +3023,16 @@
       "integrity": "sha1-Fc/04ciaONp39W9gVbJPl137K74=",
       "dev": true,
       "requires": {
-        "which": "1.3.0"
+        "which": "^1.2.10"
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     "npm-run-path": {
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       "resolved": "https://registry.npmjs.org/npm-run-path/-/npm-run-path-2.0.2.tgz",
       "integrity": "sha1-NakjLfo11wZ7TLLd8jV7GHFTbF8=",
+      "dev": true,
       "requires": {
-        "path-key": "2.0.1"
+        "path-key": "^2.0.0"
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@@ -3010,9 +3041,9 @@
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       "dev": true,
       "requires": {
-        "commander": "2.12.2",
-        "npm-path": "2.0.3",
-        "which": "1.3.0"
+        "commander": "^2.9.0",
+        "npm-path": "^2.0.2",
+        "which": "^1.2.10"
       }
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@@ -3024,7 +3055,8 @@
     "number-is-nan": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
-      "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0="
+      "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=",
+      "dev": true
     },
     "nyc": {
       "version": "11.3.0",
@@ -3032,43 +3064,44 @@
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       "dev": true,
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-        "arrify": "1.0.1",
-        "caching-transform": "1.0.1",
-        "convert-source-map": "1.5.0",
-        "debug-log": "1.0.1",
-        "default-require-extensions": "1.0.0",
-        "find-cache-dir": "0.1.1",
-        "find-up": "2.1.0",
-        "foreground-child": "1.5.6",
-        "glob": "7.1.2",
-        "istanbul-lib-coverage": "1.1.1",
-        "istanbul-lib-hook": "1.1.0",
-        "istanbul-lib-instrument": "1.9.1",
-        "istanbul-lib-report": "1.1.2",
-        "istanbul-lib-source-maps": "1.2.2",
-        "istanbul-reports": "1.1.3",
-        "md5-hex": "1.3.0",
-        "merge-source-map": "1.0.4",
-        "micromatch": "2.3.11",
-        "mkdirp": "0.5.1",
-        "resolve-from": "2.0.0",
-        "rimraf": "2.6.2",
-        "signal-exit": "3.0.2",
-        "spawn-wrap": "1.3.8",
-        "test-exclude": "4.1.1",
-        "yargs": "10.0.3",
-        "yargs-parser": "8.0.0"
+        "archy": "^1.0.0",
+        "arrify": "^1.0.1",
+        "caching-transform": "^1.0.0",
+        "convert-source-map": "^1.3.0",
+        "debug-log": "^1.0.1",
+        "default-require-extensions": "^1.0.0",
+        "find-cache-dir": "^0.1.1",
+        "find-up": "^2.1.0",
+        "foreground-child": "^1.5.3",
+        "glob": "^7.0.6",
+        "istanbul-lib-coverage": "^1.1.1",
+        "istanbul-lib-hook": "^1.1.0",
+        "istanbul-lib-instrument": "^1.9.1",
+        "istanbul-lib-report": "^1.1.2",
+        "istanbul-lib-source-maps": "^1.2.2",
+        "istanbul-reports": "^1.1.3",
+        "md5-hex": "^1.2.0",
+        "merge-source-map": "^1.0.2",
+        "micromatch": "^2.3.11",
+        "mkdirp": "^0.5.0",
+        "resolve-from": "^2.0.0",
+        "rimraf": "^2.5.4",
+        "signal-exit": "^3.0.1",
+        "spawn-wrap": "=1.3.8",
+        "test-exclude": "^4.1.1",
+        "yargs": "^10.0.3",
+        "yargs-parser": "^8.0.0"
       },
       "dependencies": {
         "align-text": {
           "version": "0.1.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
-            "kind-of": "3.2.2",
-            "longest": "1.0.1",
-            "repeat-string": "1.6.1"
+            "kind-of": "^3.0.2",
+            "longest": "^1.0.1",
+            "repeat-string": "^1.5.2"
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@@ -3091,7 +3124,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "default-require-extensions": "1.0.0"
+            "default-require-extensions": "^1.0.0"
           }
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         "archy": {
@@ -3104,7 +3137,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "arr-flatten": "1.1.0"
+            "arr-flatten": "^1.0.1"
           }
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@@ -3132,9 +3165,9 @@
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           "dev": true,
           "requires": {
-            "chalk": "1.1.3",
-            "esutils": "2.0.2",
-            "js-tokens": "3.0.2"
+            "chalk": "^1.1.3",
+            "esutils": "^2.0.2",
+            "js-tokens": "^3.0.2"
           }
         },
         "babel-generator": {
@@ -3142,14 +3175,14 @@
           "bundled": true,
           "dev": true,
           "requires": {
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-            "babel-runtime": "6.26.0",
-            "babel-types": "6.26.0",
-            "detect-indent": "4.0.0",
-            "jsesc": "1.3.0",
-            "lodash": "4.17.4",
-            "source-map": "0.5.7",
-            "trim-right": "1.0.1"
+            "babel-messages": "^6.23.0",
+            "babel-runtime": "^6.26.0",
+            "babel-types": "^6.26.0",
+            "detect-indent": "^4.0.0",
+            "jsesc": "^1.3.0",
+            "lodash": "^4.17.4",
+            "source-map": "^0.5.6",
+            "trim-right": "^1.0.1"
           }
         },
         "babel-messages": {
@@ -3157,7 +3190,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "babel-runtime": "6.26.0"
+            "babel-runtime": "^6.22.0"
           }
         },
         "babel-runtime": {
@@ -3165,8 +3198,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "core-js": "2.5.1",
-            "regenerator-runtime": "0.11.0"
+            "core-js": "^2.4.0",
+            "regenerator-runtime": "^0.11.0"
           }
         },
         "babel-template": {
@@ -3174,11 +3207,11 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "babel-runtime": "6.26.0",
-            "babel-traverse": "6.26.0",
-            "babel-types": "6.26.0",
-            "babylon": "6.18.0",
-            "lodash": "4.17.4"
+            "babel-runtime": "^6.26.0",
+            "babel-traverse": "^6.26.0",
+            "babel-types": "^6.26.0",
+            "babylon": "^6.18.0",
+            "lodash": "^4.17.4"
           }
         },
         "babel-traverse": {
@@ -3186,15 +3219,15 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "babel-code-frame": "6.26.0",
-            "babel-messages": "6.23.0",
-            "babel-runtime": "6.26.0",
-            "babel-types": "6.26.0",
-            "babylon": "6.18.0",
-            "debug": "2.6.9",
-            "globals": "9.18.0",
-            "invariant": "2.2.2",
-            "lodash": "4.17.4"
+            "babel-code-frame": "^6.26.0",
+            "babel-messages": "^6.23.0",
+            "babel-runtime": "^6.26.0",
+            "babel-types": "^6.26.0",
+            "babylon": "^6.18.0",
+            "debug": "^2.6.8",
+            "globals": "^9.18.0",
+            "invariant": "^2.2.2",
+            "lodash": "^4.17.4"
           }
         },
         "babel-types": {
@@ -3202,10 +3235,10 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "babel-runtime": "6.26.0",
-            "esutils": "2.0.2",
-            "lodash": "4.17.4",
-            "to-fast-properties": "1.0.3"
+            "babel-runtime": "^6.26.0",
+            "esutils": "^2.0.2",
+            "lodash": "^4.17.4",
+            "to-fast-properties": "^1.0.3"
           }
         },
         "babylon": {
@@ -3223,7 +3256,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "balanced-match": "1.0.0",
+            "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
           }
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@@ -3232,9 +3265,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "expand-range": "1.8.2",
-            "preserve": "0.2.0",
-            "repeat-element": "1.1.2"
+            "expand-range": "^1.8.1",
+            "preserve": "^0.2.0",
+            "repeat-element": "^1.1.2"
           }
         },
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@@ -3247,9 +3280,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "md5-hex": "1.3.0",
-            "mkdirp": "0.5.1",
-            "write-file-atomic": "1.3.4"
+            "md5-hex": "^1.2.0",
+            "mkdirp": "^0.5.1",
+            "write-file-atomic": "^1.1.4"
           }
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         "camelcase": {
@@ -3264,8 +3297,8 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "align-text": "0.1.4",
-            "lazy-cache": "1.0.4"
+            "align-text": "^0.1.3",
+            "lazy-cache": "^1.0.3"
           }
         },
         "chalk": {
@@ -3273,11 +3306,11 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "ansi-styles": "2.2.1",
-            "escape-string-regexp": "1.0.5",
-            "has-ansi": "2.0.0",
-            "strip-ansi": "3.0.1",
-            "supports-color": "2.0.0"
+            "ansi-styles": "^2.2.1",
+            "escape-string-regexp": "^1.0.2",
+            "has-ansi": "^2.0.0",
+            "strip-ansi": "^3.0.0",
+            "supports-color": "^2.0.0"
           }
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         "cliui": {
@@ -3286,8 +3319,8 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "center-align": "0.1.3",
-            "right-align": "0.1.3",
+            "center-align": "^0.1.1",
+            "right-align": "^0.1.1",
             "wordwrap": "0.0.2"
           },
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@@ -3329,8 +3362,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "lru-cache": "4.1.1",
-            "which": "1.3.0"
+            "lru-cache": "^4.0.1",
+            "which": "^1.2.9"
           }
         },
         "debug": {
@@ -3356,7 +3389,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "strip-bom": "2.0.0"
+            "strip-bom": "^2.0.0"
           }
         },
         "detect-indent": {
@@ -3364,7 +3397,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "repeating": "2.0.1"
+            "repeating": "^2.0.0"
           }
         },
         "error-ex": {
@@ -3372,7 +3405,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-arrayish": "0.2.1"
+            "is-arrayish": "^0.2.1"
           }
         },
         "escape-string-regexp": {
@@ -3390,13 +3423,13 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "cross-spawn": "5.1.0",
-            "get-stream": "3.0.0",
-            "is-stream": "1.1.0",
-            "npm-run-path": "2.0.2",
-            "p-finally": "1.0.0",
-            "signal-exit": "3.0.2",
-            "strip-eof": "1.0.0"
+            "cross-spawn": "^5.0.1",
+            "get-stream": "^3.0.0",
+            "is-stream": "^1.1.0",
+            "npm-run-path": "^2.0.0",
+            "p-finally": "^1.0.0",
+            "signal-exit": "^3.0.0",
+            "strip-eof": "^1.0.0"
           },
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             "cross-spawn": {
@@ -3404,9 +3437,9 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "lru-cache": "4.1.1",
-                "shebang-command": "1.2.0",
-                "which": "1.3.0"
+                "lru-cache": "^4.0.1",
+                "shebang-command": "^1.2.0",
+                "which": "^1.2.9"
               }
             }
           }
@@ -3416,7 +3449,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-posix-bracket": "0.1.1"
+            "is-posix-bracket": "^0.1.0"
           }
         },
         "expand-range": {
@@ -3424,7 +3457,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "fill-range": "2.2.3"
+            "fill-range": "^2.1.0"
           }
         },
         "extglob": {
@@ -3432,7 +3465,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-extglob": "1.0.0"
+            "is-extglob": "^1.0.0"
           }
         },
         "filename-regex": {
@@ -3445,11 +3478,11 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-number": "2.1.0",
-            "isobject": "2.1.0",
-            "randomatic": "1.1.7",
-            "repeat-element": "1.1.2",
-            "repeat-string": "1.6.1"
+            "is-number": "^2.1.0",
+            "isobject": "^2.0.0",
+            "randomatic": "^1.1.3",
+            "repeat-element": "^1.1.2",
+            "repeat-string": "^1.5.2"
           }
         },
         "find-cache-dir": {
@@ -3457,9 +3490,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "commondir": "1.0.1",
-            "mkdirp": "0.5.1",
-            "pkg-dir": "1.0.0"
+            "commondir": "^1.0.1",
+            "mkdirp": "^0.5.1",
+            "pkg-dir": "^1.0.0"
           }
         },
         "find-up": {
@@ -3467,7 +3500,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "locate-path": "2.0.0"
+            "locate-path": "^2.0.0"
           }
         },
         "for-in": {
@@ -3480,7 +3513,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "for-in": "1.0.2"
+            "for-in": "^1.0.1"
           }
         },
         "foreground-child": {
@@ -3488,8 +3521,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "cross-spawn": "4.0.2",
-            "signal-exit": "3.0.2"
+            "cross-spawn": "^4",
+            "signal-exit": "^3.0.0"
           }
         },
         "fs.realpath": {
@@ -3512,12 +3545,12 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "fs.realpath": "1.0.0",
-            "inflight": "1.0.6",
-            "inherits": "2.0.3",
-            "minimatch": "3.0.4",
-            "once": "1.4.0",
-            "path-is-absolute": "1.0.1"
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
           }
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         "glob-base": {
@@ -3525,8 +3558,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "glob-parent": "2.0.0",
-            "is-glob": "2.0.1"
+            "glob-parent": "^2.0.0",
+            "is-glob": "^2.0.0"
           }
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         "glob-parent": {
@@ -3534,7 +3567,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-glob": "2.0.1"
+            "is-glob": "^2.0.0"
           }
         },
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@@ -3552,10 +3585,10 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "async": "1.5.2",
-            "optimist": "0.6.1",
-            "source-map": "0.4.4",
-            "uglify-js": "2.8.29"
+            "async": "^1.4.0",
+            "optimist": "^0.6.1",
+            "source-map": "^0.4.4",
+            "uglify-js": "^2.6"
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@@ -3563,7 +3596,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "amdefine": "1.0.1"
+                "amdefine": ">=0.0.4"
               }
             }
           }
@@ -3573,7 +3606,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "ansi-regex": "2.1.1"
+            "ansi-regex": "^2.0.0"
           }
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         "has-flag": {
@@ -3596,8 +3629,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "once": "1.4.0",
-            "wrappy": "1.0.2"
+            "once": "^1.3.0",
+            "wrappy": "1"
           }
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@@ -3610,7 +3643,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "loose-envify": "1.3.1"
+            "loose-envify": "^1.0.0"
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         "invert-kv": {
@@ -3633,7 +3666,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "builtin-modules": "1.1.1"
+            "builtin-modules": "^1.0.0"
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@@ -3646,7 +3679,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-primitive": "2.0.0"
+            "is-primitive": "^2.0.0"
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@@ -3664,7 +3697,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "number-is-nan": "1.0.1"
+            "number-is-nan": "^1.0.0"
           }
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         "is-fullwidth-code-point": {
@@ -3672,7 +3705,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "number-is-nan": "1.0.1"
+            "number-is-nan": "^1.0.0"
           }
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@@ -3680,7 +3713,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-extglob": "1.0.0"
+            "is-extglob": "^1.0.0"
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@@ -3688,7 +3721,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "kind-of": "3.2.2"
+            "kind-of": "^3.0.2"
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@@ -3739,7 +3772,7 @@
           "bundled": true,
           "dev": true,
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+            "append-transform": "^0.4.0"
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@@ -3747,13 +3780,13 @@
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-            "babel-traverse": "6.26.0",
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-            "babylon": "6.18.0",
-            "istanbul-lib-coverage": "1.1.1",
-            "semver": "5.4.1"
+            "babel-generator": "^6.18.0",
+            "babel-template": "^6.16.0",
+            "babel-traverse": "^6.18.0",
+            "babel-types": "^6.18.0",
+            "babylon": "^6.18.0",
+            "istanbul-lib-coverage": "^1.1.1",
+            "semver": "^5.3.0"
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@@ -3761,10 +3794,10 @@
           "bundled": true,
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-            "mkdirp": "0.5.1",
-            "path-parse": "1.0.5",
-            "supports-color": "3.2.3"
+            "istanbul-lib-coverage": "^1.1.1",
+            "mkdirp": "^0.5.1",
+            "path-parse": "^1.0.5",
+            "supports-color": "^3.1.2"
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@@ -3772,7 +3805,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "has-flag": "1.0.0"
+                "has-flag": "^1.0.0"
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@@ -3782,11 +3815,11 @@
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-            "mkdirp": "0.5.1",
-            "rimraf": "2.6.2",
-            "source-map": "0.5.7"
+            "debug": "^3.1.0",
+            "istanbul-lib-coverage": "^1.1.1",
+            "mkdirp": "^0.5.1",
+            "rimraf": "^2.6.1",
+            "source-map": "^0.5.3"
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@@ -3804,7 +3837,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "handlebars": "4.0.11"
+            "handlebars": "^4.0.3"
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         "js-tokens": {
@@ -3822,7 +3855,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-buffer": "1.1.5"
+            "is-buffer": "^1.1.5"
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@@ -3836,7 +3869,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "invert-kv": "1.0.0"
+            "invert-kv": "^1.0.0"
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@@ -3844,11 +3877,11 @@
           "bundled": true,
           "dev": true,
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-            "parse-json": "2.2.0",
-            "pify": "2.3.0",
-            "pinkie-promise": "2.0.1",
-            "strip-bom": "2.0.0"
+            "graceful-fs": "^4.1.2",
+            "parse-json": "^2.2.0",
+            "pify": "^2.0.0",
+            "pinkie-promise": "^2.0.0",
+            "strip-bom": "^2.0.0"
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@@ -3856,8 +3889,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "p-locate": "2.0.0",
-            "path-exists": "3.0.0"
+            "p-locate": "^2.0.0",
+            "path-exists": "^3.0.0"
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@@ -3875,14 +3908,15 @@
         "longest": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "loose-envify": {
           "version": "1.3.1",
           "bundled": true,
           "dev": true,
           "requires": {
-            "js-tokens": "3.0.2"
+            "js-tokens": "^3.0.0"
           }
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@@ -3890,8 +3924,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "pseudomap": "1.0.2",
-            "yallist": "2.1.2"
+            "pseudomap": "^1.0.2",
+            "yallist": "^2.1.2"
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         "md5-hex": {
@@ -3899,7 +3933,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "md5-o-matic": "0.1.1"
+            "md5-o-matic": "^0.1.1"
           }
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         "md5-o-matic": {
@@ -3912,7 +3946,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "mimic-fn": "1.1.0"
+            "mimic-fn": "^1.0.0"
           }
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         "merge-source-map": {
@@ -3920,7 +3954,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "source-map": "0.5.7"
+            "source-map": "^0.5.6"
           }
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         "micromatch": {
@@ -3928,19 +3962,19 @@
           "bundled": true,
           "dev": true,
           "requires": {
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-            "array-unique": "0.2.1",
-            "braces": "1.8.5",
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-            "object.omit": "2.0.1",
-            "parse-glob": "3.0.4",
-            "regex-cache": "0.4.4"
+            "arr-diff": "^2.0.0",
+            "array-unique": "^0.2.1",
+            "braces": "^1.8.2",
+            "expand-brackets": "^0.1.4",
+            "extglob": "^0.3.1",
+            "filename-regex": "^2.0.0",
+            "is-extglob": "^1.0.0",
+            "is-glob": "^2.0.1",
+            "kind-of": "^3.0.2",
+            "normalize-path": "^2.0.1",
+            "object.omit": "^2.0.0",
+            "parse-glob": "^3.0.4",
+            "regex-cache": "^0.4.2"
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         "mimic-fn": {
@@ -3953,7 +3987,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "brace-expansion": "1.1.8"
+            "brace-expansion": "^1.1.7"
           }
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@@ -3979,10 +4013,10 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "hosted-git-info": "2.5.0",
-            "is-builtin-module": "1.0.0",
-            "semver": "5.4.1",
-            "validate-npm-package-license": "3.0.1"
+            "hosted-git-info": "^2.1.4",
+            "is-builtin-module": "^1.0.0",
+            "semver": "2 || 3 || 4 || 5",
+            "validate-npm-package-license": "^3.0.1"
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         "normalize-path": {
@@ -3990,7 +4024,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "remove-trailing-separator": "1.1.0"
+            "remove-trailing-separator": "^1.0.1"
           }
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         "npm-run-path": {
@@ -3998,7 +4032,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "path-key": "2.0.1"
+            "path-key": "^2.0.0"
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@@ -4016,8 +4050,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "for-own": "0.1.5",
-            "is-extendable": "0.1.1"
+            "for-own": "^0.1.4",
+            "is-extendable": "^0.1.1"
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         "once": {
@@ -4025,7 +4059,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "wrappy": "1.0.2"
+            "wrappy": "1"
           }
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@@ -4033,8 +4067,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "minimist": "0.0.8",
-            "wordwrap": "0.0.3"
+            "minimist": "~0.0.1",
+            "wordwrap": "~0.0.2"
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         "os-homedir": {
@@ -4047,9 +4081,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "execa": "0.7.0",
-            "lcid": "1.0.0",
-            "mem": "1.1.0"
+            "execa": "^0.7.0",
+            "lcid": "^1.0.0",
+            "mem": "^1.1.0"
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@@ -4067,7 +4101,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "p-limit": "1.1.0"
+            "p-limit": "^1.1.0"
           }
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@@ -4075,10 +4109,10 @@
           "bundled": true,
           "dev": true,
           "requires": {
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-            "is-dotfile": "1.0.3",
-            "is-extglob": "1.0.0",
-            "is-glob": "2.0.1"
+            "glob-base": "^0.3.0",
+            "is-dotfile": "^1.0.0",
+            "is-extglob": "^1.0.0",
+            "is-glob": "^2.0.0"
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         "parse-json": {
@@ -4086,7 +4120,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "error-ex": "1.3.1"
+            "error-ex": "^1.2.0"
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@@ -4094,7 +4128,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "pinkie-promise": "2.0.1"
+            "pinkie-promise": "^2.0.0"
           }
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         "path-is-absolute": {
@@ -4117,9 +4151,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "graceful-fs": "4.1.11",
-            "pify": "2.3.0",
-            "pinkie-promise": "2.0.1"
+            "graceful-fs": "^4.1.2",
+            "pify": "^2.0.0",
+            "pinkie-promise": "^2.0.0"
           }
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         "pify": {
@@ -4137,7 +4171,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "pinkie": "2.0.4"
+            "pinkie": "^2.0.0"
           }
         },
         "pkg-dir": {
@@ -4145,7 +4179,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "find-up": "1.1.2"
+            "find-up": "^1.0.0"
           },
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             "find-up": {
@@ -4153,8 +4187,8 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "path-exists": "2.1.0",
-                "pinkie-promise": "2.0.1"
+                "path-exists": "^2.0.0",
+                "pinkie-promise": "^2.0.0"
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@@ -4174,8 +4208,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-number": "3.0.0",
-            "kind-of": "4.0.0"
+            "is-number": "^3.0.0",
+            "kind-of": "^4.0.0"
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@@ -4183,7 +4217,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "kind-of": "3.2.2"
+                "kind-of": "^3.0.2"
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@@ -4191,7 +4225,7 @@
                   "bundled": true,
                   "dev": true,
                   "requires": {
-                    "is-buffer": "1.1.5"
+                    "is-buffer": "^1.1.5"
                   }
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@@ -4201,7 +4235,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "is-buffer": "1.1.5"
+                "is-buffer": "^1.1.5"
               }
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@@ -4211,9 +4245,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "load-json-file": "1.1.0",
-            "normalize-package-data": "2.4.0",
-            "path-type": "1.1.0"
+            "load-json-file": "^1.0.0",
+            "normalize-package-data": "^2.3.2",
+            "path-type": "^1.0.0"
           }
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         "read-pkg-up": {
@@ -4221,8 +4255,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "find-up": "1.1.2",
-            "read-pkg": "1.1.0"
+            "find-up": "^1.0.0",
+            "read-pkg": "^1.0.0"
           },
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@@ -4230,8 +4264,8 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "path-exists": "2.1.0",
-                "pinkie-promise": "2.0.1"
+                "path-exists": "^2.0.0",
+                "pinkie-promise": "^2.0.0"
               }
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@@ -4246,7 +4280,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-equal-shallow": "0.1.3"
+            "is-equal-shallow": "^0.1.3"
           }
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         "remove-trailing-separator": {
@@ -4269,7 +4303,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-finite": "1.0.2"
+            "is-finite": "^1.0.0"
           }
         },
         "require-directory": {
@@ -4293,7 +4327,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "align-text": "0.1.4"
+            "align-text": "^0.1.1"
           }
         },
         "rimraf": {
@@ -4301,7 +4335,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "glob": "7.1.2"
+            "glob": "^7.0.5"
           }
         },
         "semver": {
@@ -4319,7 +4353,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "shebang-regex": "1.0.0"
+            "shebang-regex": "^1.0.0"
           }
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         "shebang-regex": {
@@ -4347,12 +4381,12 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "foreground-child": "1.5.6",
-            "mkdirp": "0.5.1",
-            "os-homedir": "1.0.2",
-            "rimraf": "2.6.2",
-            "signal-exit": "3.0.2",
-            "which": "1.3.0"
+            "foreground-child": "^1.5.6",
+            "mkdirp": "^0.5.0",
+            "os-homedir": "^1.0.1",
+            "rimraf": "^2.3.3",
+            "signal-exit": "^3.0.2",
+            "which": "^1.2.4"
           }
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         "spdx-correct": {
@@ -4360,7 +4394,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "spdx-license-ids": "1.2.2"
+            "spdx-license-ids": "^1.0.2"
           }
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         "spdx-expression-parse": {
@@ -4378,8 +4412,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-fullwidth-code-point": "2.0.0",
-            "strip-ansi": "4.0.0"
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^4.0.0"
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             "ansi-regex": {
@@ -4397,7 +4431,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "ansi-regex": "3.0.0"
+                "ansi-regex": "^3.0.0"
               }
             }
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@@ -4407,7 +4441,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "ansi-regex": "2.1.1"
+            "ansi-regex": "^2.0.0"
           }
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         "strip-bom": {
@@ -4415,7 +4449,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-utf8": "0.2.1"
+            "is-utf8": "^0.2.0"
           }
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         "strip-eof": {
@@ -4433,11 +4467,11 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "arrify": "1.0.1",
-            "micromatch": "2.3.11",
-            "object-assign": "4.1.1",
-            "read-pkg-up": "1.0.1",
-            "require-main-filename": "1.0.1"
+            "arrify": "^1.0.1",
+            "micromatch": "^2.3.11",
+            "object-assign": "^4.1.0",
+            "read-pkg-up": "^1.0.1",
+            "require-main-filename": "^1.0.1"
           }
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         "to-fast-properties": {
@@ -4456,9 +4490,9 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "source-map": "0.5.7",
-            "uglify-to-browserify": "1.0.2",
-            "yargs": "3.10.0"
+            "source-map": "~0.5.1",
+            "uglify-to-browserify": "~1.0.0",
+            "yargs": "~3.10.0"
           },
           "dependencies": {
             "yargs": {
@@ -4467,9 +4501,9 @@
               "dev": true,
               "optional": true,
               "requires": {
-                "camelcase": "1.2.1",
-                "cliui": "2.1.0",
-                "decamelize": "1.2.0",
+                "camelcase": "^1.0.2",
+                "cliui": "^2.1.0",
+                "decamelize": "^1.0.0",
                 "window-size": "0.1.0"
               }
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@@ -4486,8 +4520,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "spdx-correct": "1.0.2",
-            "spdx-expression-parse": "1.0.4"
+            "spdx-correct": "~1.0.0",
+            "spdx-expression-parse": "~1.0.0"
           }
         },
         "which": {
@@ -4495,7 +4529,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "isexe": "2.0.0"
+            "isexe": "^2.0.0"
           }
         },
         "which-module": {
@@ -4519,8 +4553,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "string-width": "1.0.2",
-            "strip-ansi": "3.0.1"
+            "string-width": "^1.0.1",
+            "strip-ansi": "^3.0.1"
           },
           "dependencies": {
             "string-width": {
@@ -4528,9 +4562,9 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "code-point-at": "1.1.0",
-                "is-fullwidth-code-point": "1.0.0",
-                "strip-ansi": "3.0.1"
+                "code-point-at": "^1.0.0",
+                "is-fullwidth-code-point": "^1.0.0",
+                "strip-ansi": "^3.0.0"
               }
             }
           }
@@ -4545,9 +4579,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "graceful-fs": "4.1.11",
-            "imurmurhash": "0.1.4",
-            "slide": "1.1.6"
+            "graceful-fs": "^4.1.11",
+            "imurmurhash": "^0.1.4",
+            "slide": "^1.1.5"
           }
         },
         "y18n": {
@@ -4565,18 +4599,18 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "cliui": "3.2.0",
-            "decamelize": "1.2.0",
-            "find-up": "2.1.0",
-            "get-caller-file": "1.0.2",
-            "os-locale": "2.1.0",
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diff --git a/package.json b/package.json
index f3e101e..54f42de 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
   "license": "ISC",
   "dependencies": {
     "mkdirp": "^0.5.1",
-    "yargs": "^10.0.3"
+    "yargs": "^15.1.0"
   },
   "devDependencies": {
     "husky": "^0.14.3",