diff --git a/package-lock.json b/package-lock.json
index 6ec42f7..6ffb2a4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -98,7 +98,8 @@
     "arr-union": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/arr-union/-/arr-union-3.1.0.tgz",
-      "integrity": "sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ="
+      "integrity": "sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ=",
+      "optional": true
     },
     "array-unique": {
       "version": "0.2.1",
@@ -113,7 +114,8 @@
     "assign-symbols": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/assign-symbols/-/assign-symbols-1.0.0.tgz",
-      "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c="
+      "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c=",
+      "optional": true
     },
     "async": {
       "version": "0.2.10",
@@ -128,7 +130,8 @@
     "atob": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/atob/-/atob-2.1.1.tgz",
-      "integrity": "sha1-ri1acpR38onWDdf5amMUoi3Wwio="
+      "integrity": "sha1-ri1acpR38onWDdf5amMUoi3Wwio=",
+      "optional": true
     },
     "balanced-match": {
       "version": "1.0.0",
@@ -139,6 +142,7 @@
       "version": "0.11.2",
       "resolved": "https://registry.npmjs.org/base/-/base-0.11.2.tgz",
       "integrity": "sha512-5T6P4xPgpp0YDFvSWwEZ4NoE3aM4QBQXDzmVbraCkFj8zHM+mba8SyqB5DbZWyR7mYHo6Y7BdQo3MoA4m0TeQg==",
+      "optional": true,
       "requires": {
         "cache-base": "1.0.1",
         "class-utils": "0.3.6",
@@ -153,6 +157,7 @@
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/define-property/-/define-property-1.0.0.tgz",
           "integrity": "sha1-dp66rz9KY6rTr56NMEybvnm/sOY=",
+          "optional": true,
           "requires": {
             "is-descriptor": "1.0.2"
           }
@@ -161,6 +166,7 @@
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz",
           "integrity": "sha512-m5hnHTkcVsPfqx3AKlyttIPb7J+XykHvJP2B9bZDjlhLIoEq4XoK64Vg7boZlVWYK6LUY94dYPEE7Lh0ZkZKcQ==",
+          "optional": true,
           "requires": {
             "kind-of": "6.0.2"
           }
@@ -169,6 +175,7 @@
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz",
           "integrity": "sha512-jbRXy1FmtAoCjQkVmIVYwuuqDFUbaOeDjmed1tOGPrsMhtJA4rD9tkgA0F1qJ3gRFRXcHYVkdeaP50Q5rE/jLQ==",
+          "optional": true,
           "requires": {
             "kind-of": "6.0.2"
           }
@@ -177,6 +184,7 @@
           "version": "1.0.2",
           "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-1.0.2.tgz",
           "integrity": "sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==",
+          "optional": true,
           "requires": {
             "is-accessor-descriptor": "1.0.0",
             "is-data-descriptor": "1.0.0",
@@ -186,12 +194,14 @@
         "isobject": {
           "version": "3.0.1",
           "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz",
-          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8="
+          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8=",
+          "optional": true
         },
         "kind-of": {
           "version": "6.0.2",
           "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
-          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA=="
+          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==",
+          "optional": true
         }
       }
     },
@@ -258,6 +268,7 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/cache-base/-/cache-base-1.0.1.tgz",
       "integrity": "sha512-AKcdTnFSWATd5/GCPRxr2ChwIJ85CeyrEyjRHlKxQ56d4XJMGym0uAiKn0xbLOGOl3+yRpOTi484dVCEc5AUzQ==",
+      "optional": true,
       "requires": {
         "collection-visit": "1.0.0",
         "component-emitter": "1.2.1",
@@ -273,7 +284,8 @@
         "isobject": {
           "version": "3.0.1",
           "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz",
-          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8="
+          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8=",
+          "optional": true
         }
       }
     },
@@ -353,6 +365,7 @@
       "version": "0.3.6",
       "resolved": "https://registry.npmjs.org/class-utils/-/class-utils-0.3.6.tgz",
       "integrity": "sha512-qOhPa/Fj7s6TY8H8esGu5QNpMMQxz79h+urzrNYN6mn+9BnxlDGf5QZ+XeCDsxSjPqsSR56XOZOJmpeurnLMeg==",
+      "optional": true,
       "requires": {
         "arr-union": "3.1.0",
         "define-property": "0.2.5",
@@ -364,6 +377,7 @@
           "version": "0.2.5",
           "resolved": "https://registry.npmjs.org/define-property/-/define-property-0.2.5.tgz",
           "integrity": "sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=",
+          "optional": true,
           "requires": {
             "is-descriptor": "0.1.6"
           }
@@ -371,7 +385,8 @@
         "isobject": {
           "version": "3.0.1",
           "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz",
-          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8="
+          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8=",
+          "optional": true
         }
       }
     },
@@ -404,6 +419,7 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/collection-visit/-/collection-visit-1.0.0.tgz",
       "integrity": "sha1-S8A3PBZLwykbTTaMgpzxqApZ3KA=",
+      "optional": true,
       "requires": {
         "map-visit": "1.0.0",
         "object-visit": "1.0.1"
@@ -430,7 +446,8 @@
     "component-emitter": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.2.1.tgz",
-      "integrity": "sha1-E3kY1teCg/ffemt8WmPhQOaUJeY="
+      "integrity": "sha1-E3kY1teCg/ffemt8WmPhQOaUJeY=",
+      "optional": true
     },
     "compressible": {
       "version": "2.0.14",
@@ -510,7 +527,8 @@
     "copy-descriptor": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/copy-descriptor/-/copy-descriptor-0.1.1.tgz",
-      "integrity": "sha1-Z29us8OZl8LuGsOpJP1hJHSPV40="
+      "integrity": "sha1-Z29us8OZl8LuGsOpJP1hJHSPV40=",
+      "optional": true
     },
     "core-js": {
       "version": "1.2.7",
@@ -578,12 +596,14 @@
     "decode-uri-component": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/decode-uri-component/-/decode-uri-component-0.2.0.tgz",
-      "integrity": "sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU="
+      "integrity": "sha512-hjf+xovcEn31w/EUYdTXQh/8smFL/dzYjohQGEIgjyNavaJfBY2p5F527Bo1VPATxv0VYTUC2bOcXvqFwk78Og==",
+      "optional": true
     },
     "define-property": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/define-property/-/define-property-2.0.2.tgz",
       "integrity": "sha512-jwK2UV4cnPpbcG7+VRARKTZPUWowwXA8bzH5NP6ud0oeAxyYPuGZUAC7hMugpCdz4BeSZl2Dl9k66CHJ/46ZYQ==",
+      "optional": true,
       "requires": {
         "is-descriptor": "1.0.2",
         "isobject": "3.0.1"
@@ -593,6 +613,7 @@
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz",
           "integrity": "sha512-m5hnHTkcVsPfqx3AKlyttIPb7J+XykHvJP2B9bZDjlhLIoEq4XoK64Vg7boZlVWYK6LUY94dYPEE7Lh0ZkZKcQ==",
+          "optional": true,
           "requires": {
             "kind-of": "6.0.2"
           }
@@ -601,6 +622,7 @@
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz",
           "integrity": "sha512-jbRXy1FmtAoCjQkVmIVYwuuqDFUbaOeDjmed1tOGPrsMhtJA4rD9tkgA0F1qJ3gRFRXcHYVkdeaP50Q5rE/jLQ==",
+          "optional": true,
           "requires": {
             "kind-of": "6.0.2"
           }
@@ -609,6 +631,7 @@
           "version": "1.0.2",
           "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-1.0.2.tgz",
           "integrity": "sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==",
+          "optional": true,
           "requires": {
             "is-accessor-descriptor": "1.0.0",
             "is-data-descriptor": "1.0.0",
@@ -618,12 +641,14 @@
         "isobject": {
           "version": "3.0.1",
           "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz",
-          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8="
+          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8=",
+          "optional": true
         },
         "kind-of": {
           "version": "6.0.2",
           "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
-          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA=="
+          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==",
+          "optional": true
         }
       }
     },
@@ -735,6 +760,7 @@
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-3.0.2.tgz",
       "integrity": "sha1-Jqcarwc7OfshJxcnRhMcJwQCjbg=",
+      "optional": true,
       "requires": {
         "assign-symbols": "1.0.0",
         "is-extendable": "1.0.1"
@@ -744,6 +770,7 @@
           "version": "1.0.1",
           "resolved": "https://registry.npmjs.org/is-extendable/-/is-extendable-1.0.1.tgz",
           "integrity": "sha512-arnXMxT1hhoKo9k1LZdmlNyJdDDfy2v0fXjFlmok4+i8ul/6WlbVge9bhM74OpNPQPMGUToDtz+KXa1PneJxOA==",
+          "optional": true,
           "requires": {
             "is-plain-object": "2.0.4"
           }
@@ -816,6 +843,7 @@
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/fragment-cache/-/fragment-cache-0.2.1.tgz",
       "integrity": "sha1-QpD60n8T6Jvn8zeZxrxaCr//DRk=",
+      "optional": true,
       "requires": {
         "map-cache": "0.2.2"
       }
@@ -847,7 +875,8 @@
         },
         "ansi-regex": {
           "version": "2.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -865,11 +894,13 @@
         },
         "balanced-match": {
           "version": "1.0.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
+          "optional": true,
           "requires": {
             "balanced-match": "1.0.0",
             "concat-map": "0.0.1"
@@ -882,15 +913,18 @@
         },
         "code-point-at": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -993,7 +1027,8 @@
         },
         "inherits": {
           "version": "2.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -1003,6 +1038,7 @@
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "1.0.1"
           }
@@ -1015,17 +1051,20 @@
         "minimatch": {
           "version": "3.0.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "1.1.11"
           }
         },
         "minimist": {
           "version": "0.0.8",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "5.1.1",
             "yallist": "3.0.2"
@@ -1042,6 +1081,7 @@
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -1114,7 +1154,8 @@
         },
         "number-is-nan": {
           "version": "1.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -1124,6 +1165,7 @@
         "once": {
           "version": "1.4.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "wrappy": "1.0.2"
           }
@@ -1199,7 +1241,8 @@
         },
         "safe-buffer": {
           "version": "5.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -1229,6 +1272,7 @@
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
+          "optional": true,
           "requires": {
             "code-point-at": "1.1.0",
             "is-fullwidth-code-point": "1.0.0",
@@ -1246,6 +1290,7 @@
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "2.1.1"
           }
@@ -1284,18 +1329,21 @@
         },
         "wrappy": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         }
       }
     },
     "get-value": {
       "version": "2.0.6",
       "resolved": "https://registry.npmjs.org/get-value/-/get-value-2.0.6.tgz",
-      "integrity": "sha1-3BXKHGcjh8p2vTesCjlbogQqLCg="
+      "integrity": "sha1-3BXKHGcjh8p2vTesCjlbogQqLCg=",
+      "optional": true
     },
     "glob": {
       "version": "6.0.4",
@@ -1349,6 +1397,7 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/has-value/-/has-value-1.0.0.tgz",
       "integrity": "sha1-GLKB2lhbHFxR3vJMkw7SmgvmsXc=",
+      "optional": true,
       "requires": {
         "get-value": "2.0.6",
         "has-values": "1.0.0",
@@ -1358,7 +1407,8 @@
         "isobject": {
           "version": "3.0.1",
           "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz",
-          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8="
+          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8=",
+          "optional": true
         }
       }
     },
@@ -1366,6 +1416,7 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/has-values/-/has-values-1.0.0.tgz",
       "integrity": "sha1-lbC2P+whRmGab+V/51Yo1aOe/k8=",
+      "optional": true,
       "requires": {
         "is-number": "3.0.0",
         "kind-of": "4.0.0"
@@ -1375,6 +1426,7 @@
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/is-number/-/is-number-3.0.0.tgz",
           "integrity": "sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=",
+          "optional": true,
           "requires": {
             "kind-of": "3.2.2"
           },
@@ -1383,6 +1435,7 @@
               "version": "3.2.2",
               "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
               "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
+              "optional": true,
               "requires": {
                 "is-buffer": "1.1.6"
               }
@@ -1393,6 +1446,7 @@
           "version": "4.0.0",
           "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-4.0.0.tgz",
           "integrity": "sha1-IIE989cSkosgc3hpGkUGb65y3Vc=",
+          "optional": true,
           "requires": {
             "is-buffer": "1.1.6"
           }
@@ -1822,6 +1876,7 @@
       "version": "0.1.6",
       "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
       "integrity": "sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=",
+      "optional": true,
       "requires": {
         "kind-of": "3.2.2"
       }
@@ -1843,6 +1898,7 @@
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
       "integrity": "sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=",
+      "optional": true,
       "requires": {
         "kind-of": "3.2.2"
       }
@@ -1851,6 +1907,7 @@
       "version": "0.1.6",
       "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-0.1.6.tgz",
       "integrity": "sha512-avDYr0SB3DwO9zsMov0gKCESFYqCnE4hq/4z3TdUlukEy5t9C0YRq7HLrsN52NAcqXKaepeCD0n+B0arnVG3Hg==",
+      "optional": true,
       "requires": {
         "is-accessor-descriptor": "0.1.6",
         "is-data-descriptor": "0.1.4",
@@ -1860,7 +1917,8 @@
         "kind-of": {
           "version": "5.1.0",
           "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-5.1.0.tgz",
-          "integrity": "sha512-NGEErnH6F2vUuXDh+OlbcKW7/wOcfdRHaZ7VWtqCztfHri/++YKmP51OdWeGPuqCOba6kk2OTe5d02VmTB80Pw=="
+          "integrity": "sha512-NGEErnH6F2vUuXDh+OlbcKW7/wOcfdRHaZ7VWtqCztfHri/++YKmP51OdWeGPuqCOba6kk2OTe5d02VmTB80Pw==",
+          "optional": true
         }
       }
     },
@@ -2097,12 +2155,14 @@
     "map-cache": {
       "version": "0.2.2",
       "resolved": "https://registry.npmjs.org/map-cache/-/map-cache-0.2.2.tgz",
-      "integrity": "sha1-wyq9C9ZSXZsFFkW7TyasXcmKDb8="
+      "integrity": "sha1-wyq9C9ZSXZsFFkW7TyasXcmKDb8=",
+      "optional": true
     },
     "map-visit": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/map-visit/-/map-visit-1.0.0.tgz",
       "integrity": "sha1-7Nyo8TFE5mDxtb1B8S80edmN+48=",
+      "optional": true,
       "requires": {
         "object-visit": "1.0.1"
       }
@@ -2180,6 +2240,7 @@
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/mixin-deep/-/mixin-deep-1.3.1.tgz",
       "integrity": "sha512-8ZItLHeEgaqEvd5lYBXfm4EZSFCX29Jb9K+lAHhDKzReKBQKj3R+7NOF6tjqYi9t4oI8VUfaWITJQm86wnXGNQ==",
+      "optional": true,
       "requires": {
         "for-in": "1.0.2",
         "is-extendable": "1.0.1"
@@ -2189,6 +2250,7 @@
           "version": "1.0.1",
           "resolved": "https://registry.npmjs.org/is-extendable/-/is-extendable-1.0.1.tgz",
           "integrity": "sha512-arnXMxT1hhoKo9k1LZdmlNyJdDDfy2v0fXjFlmok4+i8ul/6WlbVge9bhM74OpNPQPMGUToDtz+KXa1PneJxOA==",
+          "optional": true,
           "requires": {
             "is-plain-object": "2.0.4"
           }
@@ -2398,12 +2460,14 @@
         "array-unique": {
           "version": "0.3.2",
           "resolved": "https://registry.npmjs.org/array-unique/-/array-unique-0.3.2.tgz",
-          "integrity": "sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg="
+          "integrity": "sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=",
+          "optional": true
         },
         "braces": {
           "version": "2.3.2",
           "resolved": "https://registry.npmjs.org/braces/-/braces-2.3.2.tgz",
           "integrity": "sha512-aNdbnj9P8PjdXU4ybaWLK2IF3jc/EoDYbC7AazW6to3TRsfXxscC9UXOB5iDiEQrkyIbWp2SLQda4+QAa7nc3w==",
+          "optional": true,
           "requires": {
             "arr-flatten": "1.1.0",
             "array-unique": "0.3.2",
@@ -2421,6 +2485,7 @@
               "version": "2.0.1",
               "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
               "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
+              "optional": true,
               "requires": {
                 "is-extendable": "0.1.1"
               }
@@ -2580,6 +2645,7 @@
           "version": "4.0.0",
           "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-4.0.0.tgz",
           "integrity": "sha1-1USBHUKPmOsGpj3EAtJAPDKMOPc=",
+          "optional": true,
           "requires": {
             "extend-shallow": "2.0.1",
             "is-number": "3.0.0",
@@ -2591,6 +2657,7 @@
               "version": "2.0.1",
               "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
               "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
+              "optional": true,
               "requires": {
                 "is-extendable": "0.1.1"
               }
@@ -2650,7 +2717,8 @@
         "is-extglob": {
           "version": "2.1.1",
           "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-2.1.1.tgz",
-          "integrity": "sha1-qIwCU1eR8C7TfHahueqXc8gz+MI="
+          "integrity": "sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=",
+          "optional": true
         },
         "is-glob": {
           "version": "4.0.0",
@@ -2665,6 +2733,7 @@
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/is-number/-/is-number-3.0.0.tgz",
           "integrity": "sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=",
+          "optional": true,
           "requires": {
             "kind-of": "3.2.2"
           },
@@ -2673,6 +2742,7 @@
               "version": "3.2.2",
               "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
               "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
+              "optional": true,
               "requires": {
                 "is-buffer": "1.1.6"
               }
@@ -2682,12 +2752,14 @@
         "isobject": {
           "version": "3.0.1",
           "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz",
-          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8="
+          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8=",
+          "optional": true
         },
         "kind-of": {
           "version": "6.0.2",
           "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
-          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA=="
+          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==",
+          "optional": true
         },
         "micromatch": {
           "version": "3.1.10",
@@ -2721,6 +2793,7 @@
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/object-copy/-/object-copy-0.1.0.tgz",
       "integrity": "sha1-fn2Fi3gb18mRpBupde04EnVOmYw=",
+      "optional": true,
       "requires": {
         "copy-descriptor": "0.1.1",
         "define-property": "0.2.5",
@@ -2731,6 +2804,7 @@
           "version": "0.2.5",
           "resolved": "https://registry.npmjs.org/define-property/-/define-property-0.2.5.tgz",
           "integrity": "sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=",
+          "optional": true,
           "requires": {
             "is-descriptor": "0.1.6"
           }
@@ -2741,6 +2815,7 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/object-visit/-/object-visit-1.0.1.tgz",
       "integrity": "sha1-95xEk68MU3e1n+OdOV5BBC3QRbs=",
+      "optional": true,
       "requires": {
         "isobject": "3.0.1"
       },
@@ -2748,7 +2823,8 @@
         "isobject": {
           "version": "3.0.1",
           "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz",
-          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8="
+          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8=",
+          "optional": true
         }
       }
     },
@@ -2765,6 +2841,7 @@
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/object.pick/-/object.pick-1.3.0.tgz",
       "integrity": "sha1-h6EKxMFpS9Lhy/U1kaZhQftd10c=",
+      "optional": true,
       "requires": {
         "isobject": "3.0.1"
       },
@@ -2772,7 +2849,8 @@
         "isobject": {
           "version": "3.0.1",
           "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz",
-          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8="
+          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8=",
+          "optional": true
         }
       }
     },
@@ -2854,7 +2932,8 @@
     "pascalcase": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/pascalcase/-/pascalcase-0.1.1.tgz",
-      "integrity": "sha1-s2PlXoAGym/iF4TS2yK9FdeRfxQ="
+      "integrity": "sha1-s2PlXoAGym/iF4TS2yK9FdeRfxQ=",
+      "optional": true
     },
     "path-dirname": {
       "version": "1.0.2",
@@ -2980,6 +3059,7 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/regex-not/-/regex-not-1.0.2.tgz",
       "integrity": "sha512-J6SDjUgDxQj5NusnOtdFxDwN/+HWykR8GELwctJ7mdqhcyy1xEc4SRFHUXvxTp661YaVKAjfRLZ9cCqS6tn32A==",
+      "optional": true,
       "requires": {
         "extend-shallow": "3.0.2",
         "safe-regex": "1.1.0"
@@ -3011,12 +3091,14 @@
     "resolve-url": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/resolve-url/-/resolve-url-0.2.1.tgz",
-      "integrity": "sha1-LGN/53yJOv0qZj/iGqkIAGjiBSo="
+      "integrity": "sha1-LGN/53yJOv0qZj/iGqkIAGjiBSo=",
+      "optional": true
     },
     "ret": {
       "version": "0.1.15",
       "resolved": "https://registry.npmjs.org/ret/-/ret-0.1.15.tgz",
-      "integrity": "sha512-TTlYpa+OL+vMMNG24xSlQGEJ3B/RzEfUlLct7b5G/ytav+wPrplCpVMFuwzXbkecJrb6IYo1iFb0S9v37754mg=="
+      "integrity": "sha512-TTlYpa+OL+vMMNG24xSlQGEJ3B/RzEfUlLct7b5G/ytav+wPrplCpVMFuwzXbkecJrb6IYo1iFb0S9v37754mg==",
+      "optional": true
     },
     "right-align": {
       "version": "0.1.3",
@@ -3050,6 +3132,7 @@
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/safe-regex/-/safe-regex-1.1.0.tgz",
       "integrity": "sha1-QKNmnzsHfR6UPURinhV91IAjvy4=",
+      "optional": true,
       "requires": {
         "ret": "0.1.15"
       }
@@ -3114,6 +3197,7 @@
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/set-value/-/set-value-2.0.0.tgz",
       "integrity": "sha512-hw0yxk9GT/Hr5yJEYnHNKYXkIA8mVJgd9ditYZCe16ZczcaELYYcfvaXesNACk2O8O0nTiPQcQhGUQj8JLzeeg==",
+      "optional": true,
       "requires": {
         "extend-shallow": "2.0.1",
         "is-extendable": "0.1.1",
@@ -3125,6 +3209,7 @@
           "version": "2.0.1",
           "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
           "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
+          "optional": true,
           "requires": {
             "is-extendable": "0.1.1"
           }
@@ -3140,6 +3225,7 @@
       "version": "0.8.2",
       "resolved": "https://registry.npmjs.org/snapdragon/-/snapdragon-0.8.2.tgz",
       "integrity": "sha512-FtyOnWN/wCHTVXOMwvSv26d+ko5vWlIDD6zoUJ7LW8vh+ZBC8QdljveRP+crNrtBwioEUWy/4dMtbBjA4ioNlg==",
+      "optional": true,
       "requires": {
         "base": "0.11.2",
         "debug": "2.6.8",
@@ -3155,6 +3241,7 @@
           "version": "0.2.5",
           "resolved": "https://registry.npmjs.org/define-property/-/define-property-0.2.5.tgz",
           "integrity": "sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=",
+          "optional": true,
           "requires": {
             "is-descriptor": "0.1.6"
           }
@@ -3163,6 +3250,7 @@
           "version": "2.0.1",
           "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
           "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
+          "optional": true,
           "requires": {
             "is-extendable": "0.1.1"
           }
@@ -3173,6 +3261,7 @@
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/snapdragon-node/-/snapdragon-node-2.1.1.tgz",
       "integrity": "sha512-O27l4xaMYt/RSQ5TR3vpWCAB5Kb/czIcqUFOM/C4fYcLnbZUc1PkjTAMjof2pBWaSTwOUd6qUHcFGVGj7aIwnw==",
+      "optional": true,
       "requires": {
         "define-property": "1.0.0",
         "isobject": "3.0.1",
@@ -3183,6 +3272,7 @@
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/define-property/-/define-property-1.0.0.tgz",
           "integrity": "sha1-dp66rz9KY6rTr56NMEybvnm/sOY=",
+          "optional": true,
           "requires": {
             "is-descriptor": "1.0.2"
           }
@@ -3191,6 +3281,7 @@
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz",
           "integrity": "sha512-m5hnHTkcVsPfqx3AKlyttIPb7J+XykHvJP2B9bZDjlhLIoEq4XoK64Vg7boZlVWYK6LUY94dYPEE7Lh0ZkZKcQ==",
+          "optional": true,
           "requires": {
             "kind-of": "6.0.2"
           }
@@ -3199,6 +3290,7 @@
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz",
           "integrity": "sha512-jbRXy1FmtAoCjQkVmIVYwuuqDFUbaOeDjmed1tOGPrsMhtJA4rD9tkgA0F1qJ3gRFRXcHYVkdeaP50Q5rE/jLQ==",
+          "optional": true,
           "requires": {
             "kind-of": "6.0.2"
           }
@@ -3207,6 +3299,7 @@
           "version": "1.0.2",
           "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-1.0.2.tgz",
           "integrity": "sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==",
+          "optional": true,
           "requires": {
             "is-accessor-descriptor": "1.0.0",
             "is-data-descriptor": "1.0.0",
@@ -3216,12 +3309,14 @@
         "isobject": {
           "version": "3.0.1",
           "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz",
-          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8="
+          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8=",
+          "optional": true
         },
         "kind-of": {
           "version": "6.0.2",
           "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
-          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA=="
+          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==",
+          "optional": true
         }
       }
     },
@@ -3229,6 +3324,7 @@
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/snapdragon-util/-/snapdragon-util-3.0.1.tgz",
       "integrity": "sha512-mbKkMdQKsjX4BAL4bRYTj21edOf8cN7XHdYUJEe+Zn99hVEYcMvKPct1IqNe7+AZPirn8BCDOQBHQZknqmKlZQ==",
+      "optional": true,
       "requires": {
         "kind-of": "3.2.2"
       }
@@ -3242,6 +3338,7 @@
       "version": "0.5.2",
       "resolved": "https://registry.npmjs.org/source-map-resolve/-/source-map-resolve-0.5.2.tgz",
       "integrity": "sha512-MjqsvNwyz1s0k81Goz/9vRBe9SZdB09Bdw+/zYyO+3CuPk6fouTaxscHkgtE8jKvf01kVfl8riHzERQ/kefaSA==",
+      "optional": true,
       "requires": {
         "atob": "2.1.1",
         "decode-uri-component": "0.2.0",
@@ -3253,12 +3350,14 @@
     "source-map-url": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/source-map-url/-/source-map-url-0.4.0.tgz",
-      "integrity": "sha1-PpNdfd1zYxuXZZlW1VEo6HtQhKM="
+      "integrity": "sha1-PpNdfd1zYxuXZZlW1VEo6HtQhKM=",
+      "optional": true
     },
     "split-string": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/split-string/-/split-string-3.1.0.tgz",
       "integrity": "sha512-NzNVhJDYpwceVVii8/Hu6DKfD2G+NrQHlS/V/qgv763EYudVwEcMQNxd2lh+0VrUByXN/oJkl5grOhYWvQUYiw==",
+      "optional": true,
       "requires": {
         "extend-shallow": "3.0.2"
       }
@@ -3272,6 +3371,7 @@
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/static-extend/-/static-extend-0.1.2.tgz",
       "integrity": "sha1-YICcOcv/VTNyJv1eC1IPNB8ftcY=",
+      "optional": true,
       "requires": {
         "define-property": "0.2.5",
         "object-copy": "0.1.0"
@@ -3281,6 +3381,7 @@
           "version": "0.2.5",
           "resolved": "https://registry.npmjs.org/define-property/-/define-property-0.2.5.tgz",
           "integrity": "sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=",
+          "optional": true,
           "requires": {
             "is-descriptor": "0.1.6"
           }
@@ -3438,6 +3539,7 @@
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/to-object-path/-/to-object-path-0.3.0.tgz",
       "integrity": "sha1-KXWIt7Dn4KwI4E5nL4XB9JmeF68=",
+      "optional": true,
       "requires": {
         "kind-of": "3.2.2"
       }
@@ -3446,6 +3548,7 @@
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/to-regex/-/to-regex-3.0.2.tgz",
       "integrity": "sha512-FWtleNAtZ/Ki2qtqej2CXTOayOH9bHDQF+Q48VpWyDXjbYxA4Yz8iDB31zXOBUlOHHKidDbqGVrTUvQMPmBGBw==",
+      "optional": true,
       "requires": {
         "define-property": "2.0.2",
         "extend-shallow": "3.0.2",
@@ -3457,6 +3560,7 @@
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-2.1.1.tgz",
       "integrity": "sha1-fIDBe53+vlmeJzZ+DU3VWQFB2zg=",
+      "optional": true,
       "requires": {
         "is-number": "3.0.0",
         "repeat-string": "1.6.1"
@@ -3466,6 +3570,7 @@
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/is-number/-/is-number-3.0.0.tgz",
           "integrity": "sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=",
+          "optional": true,
           "requires": {
             "kind-of": "3.2.2"
           }
@@ -3540,6 +3645,7 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.0.tgz",
       "integrity": "sha1-XHHDTLW61dzr4+oM0IIHulqhrqQ=",
+      "optional": true,
       "requires": {
         "arr-union": "3.1.0",
         "get-value": "2.0.6",
@@ -3551,6 +3657,7 @@
           "version": "2.0.1",
           "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
           "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
+          "optional": true,
           "requires": {
             "is-extendable": "0.1.1"
           }
@@ -3559,6 +3666,7 @@
           "version": "0.4.3",
           "resolved": "https://registry.npmjs.org/set-value/-/set-value-0.4.3.tgz",
           "integrity": "sha1-fbCPnT0i3H945Trzw79GZuzfzPE=",
+          "optional": true,
           "requires": {
             "extend-shallow": "2.0.1",
             "is-extendable": "0.1.1",
@@ -3577,6 +3685,7 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unset-value/-/unset-value-1.0.0.tgz",
       "integrity": "sha1-g3aHP30jNRef+x5vw6jtDfyKtVk=",
+      "optional": true,
       "requires": {
         "has-value": "0.3.1",
         "isobject": "3.0.1"
@@ -3586,6 +3695,7 @@
           "version": "0.3.1",
           "resolved": "https://registry.npmjs.org/has-value/-/has-value-0.3.1.tgz",
           "integrity": "sha1-ex9YutpiyoJ+wKIHgCVlSEWZXh8=",
+          "optional": true,
           "requires": {
             "get-value": "2.0.6",
             "has-values": "0.1.4",
@@ -3596,6 +3706,7 @@
               "version": "2.1.0",
               "resolved": "https://registry.npmjs.org/isobject/-/isobject-2.1.0.tgz",
               "integrity": "sha1-8GVWEJaj8dou9GJy+BXIQNh+DIk=",
+              "optional": true,
               "requires": {
                 "isarray": "1.0.0"
               }
@@ -3605,12 +3716,14 @@
         "has-values": {
           "version": "0.1.4",
           "resolved": "https://registry.npmjs.org/has-values/-/has-values-0.1.4.tgz",
-          "integrity": "sha1-bWHeldkd/Km5oCCJrThL/49it3E="
+          "integrity": "sha1-bWHeldkd/Km5oCCJrThL/49it3E=",
+          "optional": true
         },
         "isobject": {
           "version": "3.0.1",
           "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz",
-          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8="
+          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8=",
+          "optional": true
         }
       }
     },
@@ -3628,12 +3741,14 @@
     "urix": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
-      "integrity": "sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI="
+      "integrity": "sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI=",
+      "optional": true
     },
     "use": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/use/-/use-3.1.0.tgz",
       "integrity": "sha512-6UJEQM/L+mzC3ZJNM56Q4DFGLX/evKGRg15UJHGB9X5j5Z3AFbgZvjUh2yq/UJUY4U5dh7Fal++XbNg1uzpRAw==",
+      "optional": true,
       "requires": {
         "kind-of": "6.0.2"
       },
@@ -3641,7 +3756,8 @@
         "kind-of": {
           "version": "6.0.2",
           "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
-          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA=="
+          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==",
+          "optional": true
         }
       }
     },