diff --git a/package-lock.json b/package-lock.json
index 864dc43..b3d9276 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4128,9 +4128,9 @@
       }
     },
     "node_modules/acorn": {
-      "version": "6.1.1",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.1.1.tgz",
-      "integrity": "sha512-jPTiwtOxaHNaAPg/dmrJ/beuzLRnXtB0kQPQ8JpotKJgTB6rX6c8mlf315941pyjBSaPg8NHXS9fhP4u17DpGA==",
+      "version": "6.4.2",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
+      "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==",
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -12368,12 +12368,14 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/abbrev": {
       "version": "1.1.1",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/ansi-regex": {
       "version": "2.1.1",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true,
@@ -12383,12 +12385,14 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/aproba": {
       "version": "1.2.0",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/are-we-there-yet": {
       "version": "1.1.5",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true,
@@ -12399,12 +12403,14 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/balanced-match": {
       "version": "1.0.0",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/brace-expansion": {
       "version": "1.1.11",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true,
@@ -12415,12 +12421,14 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/chownr": {
       "version": "1.1.1",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/code-point-at": {
       "version": "1.1.0",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true,
@@ -12430,24 +12438,28 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/concat-map": {
       "version": "0.0.1",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/console-control-strings": {
       "version": "1.1.0",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/core-util-is": {
       "version": "1.0.2",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/debug": {
       "version": "4.1.1",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true,
@@ -12457,6 +12469,7 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/deep-extend": {
       "version": "0.6.0",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true,
@@ -12466,12 +12479,14 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/delegates": {
       "version": "1.0.0",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/detect-libc": {
       "version": "1.0.3",
+      "dev": true,
       "inBundle": true,
       "license": "Apache-2.0",
       "optional": true,
@@ -12484,6 +12499,7 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/fs-minipass": {
       "version": "1.2.5",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true,
@@ -12493,12 +12509,14 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/fs.realpath": {
       "version": "1.0.0",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/gauge": {
       "version": "2.7.4",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true,
@@ -12515,6 +12533,7 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/glob": {
       "version": "7.1.3",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true,
@@ -12532,12 +12551,14 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/has-unicode": {
       "version": "2.0.1",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/iconv-lite": {
       "version": "0.4.24",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true,
@@ -12550,6 +12571,7 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/ignore-walk": {
       "version": "3.0.1",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true,
@@ -12559,6 +12581,7 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/inflight": {
       "version": "1.0.6",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true,
@@ -12569,12 +12592,14 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/inherits": {
       "version": "2.0.3",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/ini": {
       "version": "1.3.5",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true,
@@ -12584,6 +12609,7 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/is-fullwidth-code-point": {
       "version": "1.0.0",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true,
@@ -12596,12 +12622,14 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/isarray": {
       "version": "1.0.0",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/minimatch": {
       "version": "3.0.4",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true,
@@ -12614,12 +12642,14 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/minimist": {
       "version": "0.0.8",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/minipass": {
       "version": "2.3.5",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true,
@@ -12630,6 +12660,7 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/minizlib": {
       "version": "1.2.1",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true,
@@ -12639,6 +12670,7 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/mkdirp": {
       "version": "0.5.1",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true,
@@ -12651,12 +12683,14 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/ms": {
       "version": "2.1.1",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/needle": {
       "version": "2.3.0",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true,
@@ -12674,6 +12708,7 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/node-pre-gyp": {
       "version": "0.12.0",
+      "dev": true,
       "inBundle": true,
       "license": "BSD-3-Clause",
       "optional": true,
@@ -12695,6 +12730,7 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/nopt": {
       "version": "4.0.1",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true,
@@ -12708,12 +12744,14 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/npm-bundled": {
       "version": "1.0.6",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/npm-packlist": {
       "version": "1.4.1",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true,
@@ -12724,6 +12762,7 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/npmlog": {
       "version": "4.1.2",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true,
@@ -12736,6 +12775,7 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/number-is-nan": {
       "version": "1.0.1",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true,
@@ -12745,6 +12785,7 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/object-assign": {
       "version": "4.1.1",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true,
@@ -12754,6 +12795,7 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/once": {
       "version": "1.4.0",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true,
@@ -12763,6 +12805,7 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/os-homedir": {
       "version": "1.0.2",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true,
@@ -12772,6 +12815,7 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/os-tmpdir": {
       "version": "1.0.2",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true,
@@ -12781,6 +12825,7 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/osenv": {
       "version": "0.1.5",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true,
@@ -12791,6 +12836,7 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/path-is-absolute": {
       "version": "1.0.1",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true,
@@ -12800,12 +12846,14 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/process-nextick-args": {
       "version": "2.0.0",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/rc": {
       "version": "1.2.8",
+      "dev": true,
       "inBundle": true,
       "license": "(BSD-2-Clause OR MIT OR Apache-2.0)",
       "optional": true,
@@ -12821,12 +12869,14 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/rc/node_modules/minimist": {
       "version": "1.2.0",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/readable-stream": {
       "version": "2.3.6",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true,
@@ -12842,6 +12892,7 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/rimraf": {
       "version": "2.6.3",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true,
@@ -12854,24 +12905,28 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/safe-buffer": {
       "version": "5.1.2",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/safer-buffer": {
       "version": "2.1.2",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/sax": {
       "version": "1.2.4",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/semver": {
       "version": "5.7.0",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true,
@@ -12881,18 +12936,21 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/set-blocking": {
       "version": "2.0.0",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/signal-exit": {
       "version": "3.0.2",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/string_decoder": {
       "version": "1.1.1",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true,
@@ -12902,6 +12960,7 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/string-width": {
       "version": "1.0.2",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true,
@@ -12916,6 +12975,7 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/strip-ansi": {
       "version": "3.0.1",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true,
@@ -12928,6 +12988,7 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/strip-json-comments": {
       "version": "2.0.1",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true,
@@ -12937,6 +12998,7 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/tar": {
       "version": "4.4.8",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true,
@@ -12955,12 +13017,14 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/util-deprecate": {
       "version": "1.0.2",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "optional": true
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/wide-align": {
       "version": "1.1.3",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true,
@@ -12970,12 +13034,14 @@
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/wrappy": {
       "version": "1.0.2",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true
     },
     "node_modules/jest-haste-map/node_modules/fsevents/node_modules/yallist": {
       "version": "3.0.3",
+      "dev": true,
       "inBundle": true,
       "license": "ISC",
       "optional": true
@@ -13831,9 +13897,9 @@
       }
     },
     "node_modules/jsdom/node_modules/acorn": {
-      "version": "5.7.3",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.3.tgz",
-      "integrity": "sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw==",
+      "version": "5.7.4",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.4.tgz",
+      "integrity": "sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg==",
       "dev": true,
       "bin": {
         "acorn": "bin/acorn"
@@ -27236,9 +27302,9 @@
       }
     },
     "acorn": {
-      "version": "6.1.1",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.1.1.tgz",
-      "integrity": "sha512-jPTiwtOxaHNaAPg/dmrJ/beuzLRnXtB0kQPQ8JpotKJgTB6rX6c8mlf315941pyjBSaPg8NHXS9fhP4u17DpGA=="
+      "version": "6.4.2",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
+      "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ=="
     },
     "acorn-globals": {
       "version": "4.3.2",
@@ -33486,21 +33552,25 @@
             "abbrev": {
               "version": "1.1.1",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "ansi-regex": {
               "version": "2.1.1",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "aproba": {
               "version": "1.2.0",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "are-we-there-yet": {
               "version": "1.1.5",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "delegates": "^1.0.0",
@@ -33510,11 +33580,13 @@
             "balanced-match": {
               "version": "1.0.0",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "brace-expansion": {
               "version": "1.1.11",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "balanced-match": "^1.0.0",
@@ -33524,31 +33596,37 @@
             "chownr": {
               "version": "1.1.1",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "code-point-at": {
               "version": "1.1.0",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "concat-map": {
               "version": "0.0.1",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "console-control-strings": {
               "version": "1.1.0",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "core-util-is": {
               "version": "1.0.2",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "debug": {
               "version": "4.1.1",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "ms": "^2.1.1"
@@ -33557,21 +33635,25 @@
             "deep-extend": {
               "version": "0.6.0",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "delegates": {
               "version": "1.0.0",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "detect-libc": {
               "version": "1.0.3",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "fs-minipass": {
               "version": "1.2.5",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "minipass": "^2.2.1"
@@ -33580,11 +33662,13 @@
             "fs.realpath": {
               "version": "1.0.0",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "gauge": {
               "version": "2.7.4",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "aproba": "^1.0.3",
@@ -33600,6 +33684,7 @@
             "glob": {
               "version": "7.1.3",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "fs.realpath": "^1.0.0",
@@ -33613,11 +33698,13 @@
             "has-unicode": {
               "version": "2.0.1",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "iconv-lite": {
               "version": "0.4.24",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "safer-buffer": ">= 2.1.2 < 3"
@@ -33626,6 +33713,7 @@
             "ignore-walk": {
               "version": "3.0.1",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "minimatch": "^3.0.4"
@@ -33634,6 +33722,7 @@
             "inflight": {
               "version": "1.0.6",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "once": "^1.3.0",
@@ -33643,16 +33732,19 @@
             "inherits": {
               "version": "2.0.3",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "ini": {
               "version": "1.3.5",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "is-fullwidth-code-point": {
               "version": "1.0.0",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "number-is-nan": "^1.0.0"
@@ -33661,11 +33753,13 @@
             "isarray": {
               "version": "1.0.0",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "minimatch": {
               "version": "3.0.4",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "brace-expansion": "^1.1.7"
@@ -33674,11 +33768,13 @@
             "minimist": {
               "version": "0.0.8",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "minipass": {
               "version": "2.3.5",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "safe-buffer": "^5.1.2",
@@ -33688,6 +33784,7 @@
             "minizlib": {
               "version": "1.2.1",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "minipass": "^2.2.1"
@@ -33696,6 +33793,7 @@
             "mkdirp": {
               "version": "0.5.1",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "minimist": "0.0.8"
@@ -33704,11 +33802,13 @@
             "ms": {
               "version": "2.1.1",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "needle": {
               "version": "2.3.0",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "debug": "^4.1.0",
@@ -33719,6 +33819,7 @@
             "node-pre-gyp": {
               "version": "0.12.0",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "detect-libc": "^1.0.2",
@@ -33736,6 +33837,7 @@
             "nopt": {
               "version": "4.0.1",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "abbrev": "1",
@@ -33745,11 +33847,13 @@
             "npm-bundled": {
               "version": "1.0.6",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "npm-packlist": {
               "version": "1.4.1",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "ignore-walk": "^3.0.1",
@@ -33759,6 +33863,7 @@
             "npmlog": {
               "version": "4.1.2",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "are-we-there-yet": "~1.1.2",
@@ -33770,16 +33875,19 @@
             "number-is-nan": {
               "version": "1.0.1",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "object-assign": {
               "version": "4.1.1",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "once": {
               "version": "1.4.0",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "wrappy": "1"
@@ -33788,16 +33896,19 @@
             "os-homedir": {
               "version": "1.0.2",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "os-tmpdir": {
               "version": "1.0.2",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "osenv": {
               "version": "0.1.5",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "os-homedir": "^1.0.0",
@@ -33807,16 +33918,19 @@
             "path-is-absolute": {
               "version": "1.0.1",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "process-nextick-args": {
               "version": "2.0.0",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "rc": {
               "version": "1.2.8",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "deep-extend": "^0.6.0",
@@ -33828,6 +33942,7 @@
                 "minimist": {
                   "version": "1.2.0",
                   "bundled": true,
+                  "dev": true,
                   "optional": true
                 }
               }
@@ -33835,6 +33950,7 @@
             "readable-stream": {
               "version": "2.3.6",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "core-util-is": "~1.0.0",
@@ -33849,6 +33965,7 @@
             "rimraf": {
               "version": "2.6.3",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "glob": "^7.1.3"
@@ -33857,36 +33974,43 @@
             "safe-buffer": {
               "version": "5.1.2",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "safer-buffer": {
               "version": "2.1.2",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "sax": {
               "version": "1.2.4",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "semver": {
               "version": "5.7.0",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "set-blocking": {
               "version": "2.0.0",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "signal-exit": {
               "version": "3.0.2",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "string_decoder": {
               "version": "1.1.1",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "safe-buffer": "~5.1.0"
@@ -33895,6 +34019,7 @@
             "string-width": {
               "version": "1.0.2",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "code-point-at": "^1.0.0",
@@ -33905,6 +34030,7 @@
             "strip-ansi": {
               "version": "3.0.1",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "ansi-regex": "^2.0.0"
@@ -33913,11 +34039,13 @@
             "strip-json-comments": {
               "version": "2.0.1",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "tar": {
               "version": "4.4.8",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "chownr": "^1.1.1",
@@ -33932,11 +34060,13 @@
             "util-deprecate": {
               "version": "1.0.2",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "wide-align": {
               "version": "1.1.3",
               "bundled": true,
+              "dev": true,
               "optional": true,
               "requires": {
                 "string-width": "^1.0.2 || 2"
@@ -33945,11 +34075,13 @@
             "wrappy": {
               "version": "1.0.2",
               "bundled": true,
+              "dev": true,
               "optional": true
             },
             "yallist": {
               "version": "3.0.3",
               "bundled": true,
+              "dev": true,
               "optional": true
             }
           }
@@ -34615,9 +34747,9 @@
       },
       "dependencies": {
         "acorn": {
-          "version": "5.7.3",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.3.tgz",
-          "integrity": "sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw==",
+          "version": "5.7.4",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.4.tgz",
+          "integrity": "sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg==",
           "dev": true
         },
         "parse5": {