diff --git a/.travis.yml b/.travis.yml
index b6b03bd3..9afab06e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,11 +5,10 @@ cache:
 notifications:
   email: false
 node_js:
+  - '12'
   - '11'
   - '10'
   - '8'
-  - '6'
-  - '4'
 before_install:
   - if [ "$TRAVIS_PULL_REQUEST_BRANCH" == "" ]; then echo "//registry.npmjs.org/:_authToken=\${NPM_TOKEN}" >> .npmrc; fi
 after_success:
diff --git a/package-lock.json b/package-lock.json
index bba5085e..b5cda7f9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -337,22 +337,12 @@
       "dev": true
     },
     "anymatch": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-2.0.0.tgz",
-      "integrity": "sha512-5teOsQWABXHHBFP9y3skS5P3d/WfWXpv3FUpy+LorMrNYaT9pI4oLMQX7jzQ2KklNpGpWHzdCXTDT2Y3XGlZBw==",
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-3.1.1.tgz",
+      "integrity": "sha512-mM8522psRCqzV+6LhomX5wgp25YVibjh8Wj23I5RPkPppSVSjyKD2A2mBJmWGa+KN7f2D6LNh9jkBCeyLktzjg==",
       "requires": {
-        "micromatch": "^3.1.4",
-        "normalize-path": "^2.1.1"
-      },
-      "dependencies": {
-        "normalize-path": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-2.1.1.tgz",
-          "integrity": "sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=",
-          "requires": {
-            "remove-trailing-separator": "^1.0.1"
-          }
-        }
+        "normalize-path": "^3.0.0",
+        "picomatch": "^2.0.4"
       }
     },
     "aproba": {
@@ -380,21 +370,6 @@
         "sprintf-js": "~1.0.2"
       }
     },
-    "arr-diff": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-4.0.0.tgz",
-      "integrity": "sha1-1kYQdP6/7HHn4VI1dhoyml3HxSA="
-    },
-    "arr-flatten": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/arr-flatten/-/arr-flatten-1.1.0.tgz",
-      "integrity": "sha512-L3hKV5R/p5o81R7O02IGnwpDmkp6E982XhtbuwSe3O4qOtMMMtodicASA1Cny2U+aCXcNpml+m4dPsvsJ3jatg=="
-    },
-    "arr-union": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/arr-union/-/arr-union-3.1.0.tgz",
-      "integrity": "sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ="
-    },
     "array-find-index": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/array-find-index/-/array-find-index-1.0.2.tgz",
@@ -407,11 +382,6 @@
       "integrity": "sha1-nlKHYrSpBmrRY6aWKjZEGOlibs4=",
       "dev": true
     },
-    "array-unique": {
-      "version": "0.3.2",
-      "resolved": "https://registry.npmjs.org/array-unique/-/array-unique-0.3.2.tgz",
-      "integrity": "sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg="
-    },
     "arrify": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/arrify/-/arrify-1.0.1.tgz",
@@ -433,33 +403,18 @@
       "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
       "dev": true
     },
-    "assign-symbols": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/assign-symbols/-/assign-symbols-1.0.0.tgz",
-      "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c="
-    },
     "async": {
       "version": "1.4.2",
       "resolved": "https://registry.npmjs.org/async/-/async-1.4.2.tgz",
       "integrity": "sha1-bJ7csRztTw3S8tQNsNSaEJwIiqs=",
       "dev": true
     },
-    "async-each": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/async-each/-/async-each-1.0.3.tgz",
-      "integrity": "sha512-z/WhQ5FPySLdvREByI2vZiTWwCnF0moMJ1hK9YQwDTHKh6I7/uSckMetoRGb5UBZPC1z0jlw+n/XCgjeH7y1AQ=="
-    },
     "asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
       "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
       "dev": true
     },
-    "atob": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/atob/-/atob-2.1.2.tgz",
-      "integrity": "sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg=="
-    },
     "aws-sign2": {
       "version": "0.7.0",
       "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
@@ -512,61 +467,6 @@
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
       "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
     },
-    "base": {
-      "version": "0.11.2",
-      "resolved": "https://registry.npmjs.org/base/-/base-0.11.2.tgz",
-      "integrity": "sha512-5T6P4xPgpp0YDFvSWwEZ4NoE3aM4QBQXDzmVbraCkFj8zHM+mba8SyqB5DbZWyR7mYHo6Y7BdQo3MoA4m0TeQg==",
-      "requires": {
-        "cache-base": "^1.0.1",
-        "class-utils": "^0.3.5",
-        "component-emitter": "^1.2.1",
-        "define-property": "^1.0.0",
-        "isobject": "^3.0.1",
-        "mixin-deep": "^1.2.0",
-        "pascalcase": "^0.1.1"
-      },
-      "dependencies": {
-        "define-property": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/define-property/-/define-property-1.0.0.tgz",
-          "integrity": "sha1-dp66rz9KY6rTr56NMEybvnm/sOY=",
-          "requires": {
-            "is-descriptor": "^1.0.0"
-          }
-        },
-        "is-accessor-descriptor": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz",
-          "integrity": "sha512-m5hnHTkcVsPfqx3AKlyttIPb7J+XykHvJP2B9bZDjlhLIoEq4XoK64Vg7boZlVWYK6LUY94dYPEE7Lh0ZkZKcQ==",
-          "requires": {
-            "kind-of": "^6.0.0"
-          }
-        },
-        "is-data-descriptor": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz",
-          "integrity": "sha512-jbRXy1FmtAoCjQkVmIVYwuuqDFUbaOeDjmed1tOGPrsMhtJA4rD9tkgA0F1qJ3gRFRXcHYVkdeaP50Q5rE/jLQ==",
-          "requires": {
-            "kind-of": "^6.0.0"
-          }
-        },
-        "is-descriptor": {
-          "version": "1.0.2",
-          "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-1.0.2.tgz",
-          "integrity": "sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==",
-          "requires": {
-            "is-accessor-descriptor": "^1.0.0",
-            "is-data-descriptor": "^1.0.0",
-            "kind-of": "^6.0.2"
-          }
-        },
-        "kind-of": {
-          "version": "6.0.2",
-          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
-          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA=="
-        }
-      }
-    },
     "bcrypt-pbkdf": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
@@ -577,9 +477,9 @@
       }
     },
     "binary-extensions": {
-      "version": "1.13.1",
-      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-1.13.1.tgz",
-      "integrity": "sha512-Un7MIEDdUC5gNpcGDV97op1Ywk748MpHcFTHoYs6qnj1Z3j7I53VG3nwZhKzoBZmbdRNnb6WRdFlwl7tSDuZGw=="
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.0.0.tgz",
+      "integrity": "sha512-Phlt0plgpIIBOGTT/ehfFnbNlfsDEiqmzE2KRXoX1bLIlir4X/MR+zSyBEkL05ffWgnRSf/DXv+WrUAVr93/ow=="
     },
     "boxen": {
       "version": "1.3.0",
@@ -605,30 +505,11 @@
       }
     },
     "braces": {
-      "version": "2.3.2",
-      "resolved": "https://registry.npmjs.org/braces/-/braces-2.3.2.tgz",
-      "integrity": "sha512-aNdbnj9P8PjdXU4ybaWLK2IF3jc/EoDYbC7AazW6to3TRsfXxscC9UXOB5iDiEQrkyIbWp2SLQda4+QAa7nc3w==",
-      "requires": {
-        "arr-flatten": "^1.1.0",
-        "array-unique": "^0.3.2",
-        "extend-shallow": "^2.0.1",
-        "fill-range": "^4.0.0",
-        "isobject": "^3.0.1",
-        "repeat-element": "^1.1.2",
-        "snapdragon": "^0.8.1",
-        "snapdragon-node": "^2.0.1",
-        "split-string": "^3.0.2",
-        "to-regex": "^3.0.1"
-      },
-      "dependencies": {
-        "extend-shallow": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-          "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-          "requires": {
-            "is-extendable": "^0.1.0"
-          }
-        }
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/braces/-/braces-3.0.2.tgz",
+      "integrity": "sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==",
+      "requires": {
+        "fill-range": "^7.0.1"
       }
     },
     "buffer-from": {
@@ -649,22 +530,6 @@
       "integrity": "sha1-y5T662HIaWRR2zZTThQi+U8K7og=",
       "dev": true
     },
-    "cache-base": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/cache-base/-/cache-base-1.0.1.tgz",
-      "integrity": "sha512-AKcdTnFSWATd5/GCPRxr2ChwIJ85CeyrEyjRHlKxQ56d4XJMGym0uAiKn0xbLOGOl3+yRpOTi484dVCEc5AUzQ==",
-      "requires": {
-        "collection-visit": "^1.0.0",
-        "component-emitter": "^1.2.1",
-        "get-value": "^2.0.6",
-        "has-value": "^1.0.0",
-        "isobject": "^3.0.1",
-        "set-value": "^2.0.0",
-        "to-object-path": "^0.3.0",
-        "union-value": "^1.0.0",
-        "unset-value": "^1.0.0"
-      }
-    },
     "cacheable-request": {
       "version": "2.1.4",
       "resolved": "https://registry.npmjs.org/cacheable-request/-/cacheable-request-2.1.4.tgz",
@@ -759,22 +624,18 @@
       }
     },
     "chokidar": {
-      "version": "2.1.8",
-      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-2.1.8.tgz",
-      "integrity": "sha512-ZmZUazfOzf0Nve7duiCKD23PFSCs4JPoYyccjUFF3aQkQadqBhfzhjkwBH2mNOG9cTBwhamM37EIsIkZw3nRgg==",
-      "requires": {
-        "anymatch": "^2.0.0",
-        "async-each": "^1.0.1",
-        "braces": "^2.3.2",
-        "fsevents": "^1.2.7",
-        "glob-parent": "^3.1.0",
-        "inherits": "^2.0.3",
-        "is-binary-path": "^1.0.0",
-        "is-glob": "^4.0.0",
-        "normalize-path": "^3.0.0",
-        "path-is-absolute": "^1.0.0",
-        "readdirp": "^2.2.1",
-        "upath": "^1.1.1"
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.2.2.tgz",
+      "integrity": "sha512-bw3pm7kZ2Wa6+jQWYP/c7bAZy3i4GwiIiMO2EeRjrE48l8vBqC/WvFhSF0xyM8fQiPEGvwMY/5bqDG7sSEOuhg==",
+      "requires": {
+        "anymatch": "~3.1.1",
+        "braces": "~3.0.2",
+        "fsevents": "~2.1.1",
+        "glob-parent": "~5.1.0",
+        "is-binary-path": "~2.1.0",
+        "is-glob": "~4.0.1",
+        "normalize-path": "~3.0.0",
+        "readdirp": "~3.2.0"
       }
     },
     "ci-info": {
@@ -782,27 +643,6 @@
       "resolved": "https://registry.npmjs.org/ci-info/-/ci-info-1.1.2.tgz",
       "integrity": "sha1-A1YSWdtI0EdMi9yQ9bR7Botrv7Q="
     },
-    "class-utils": {
-      "version": "0.3.6",
-      "resolved": "https://registry.npmjs.org/class-utils/-/class-utils-0.3.6.tgz",
-      "integrity": "sha512-qOhPa/Fj7s6TY8H8esGu5QNpMMQxz79h+urzrNYN6mn+9BnxlDGf5QZ+XeCDsxSjPqsSR56XOZOJmpeurnLMeg==",
-      "requires": {
-        "arr-union": "^3.1.0",
-        "define-property": "^0.2.5",
-        "isobject": "^3.0.0",
-        "static-extend": "^0.1.1"
-      },
-      "dependencies": {
-        "define-property": {
-          "version": "0.2.5",
-          "resolved": "https://registry.npmjs.org/define-property/-/define-property-0.2.5.tgz",
-          "integrity": "sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=",
-          "requires": {
-            "is-descriptor": "^0.1.0"
-          }
-        }
-      }
-    },
     "cli-boxes": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/cli-boxes/-/cli-boxes-1.0.0.tgz",
@@ -862,15 +702,6 @@
         "mkdirp": "~0.3.5"
       }
     },
-    "collection-visit": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/collection-visit/-/collection-visit-1.0.0.tgz",
-      "integrity": "sha1-S8A3PBZLwykbTTaMgpzxqApZ3KA=",
-      "requires": {
-        "map-visit": "^1.0.0",
-        "object-visit": "^1.0.0"
-      }
-    },
     "color-convert": {
       "version": "1.9.1",
       "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.1.tgz",
@@ -938,11 +769,6 @@
         }
       }
     },
-    "component-emitter": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.3.0.tgz",
-      "integrity": "sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg=="
-    },
     "concat-map": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
@@ -1202,11 +1028,6 @@
         "trim-off-newlines": "^1.0.0"
       }
     },
-    "copy-descriptor": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/copy-descriptor/-/copy-descriptor-0.1.1.tgz",
-      "integrity": "sha1-Z29us8OZl8LuGsOpJP1hJHSPV40="
-    },
     "core-js": {
       "version": "2.5.1",
       "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.5.1.tgz",
@@ -1216,7 +1037,8 @@
     "core-util-is": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
-      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
+      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
+      "dev": true
     },
     "create-error-class": {
       "version": "3.0.2",
@@ -1337,7 +1159,8 @@
     "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": "sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=",
+      "dev": true
     },
     "decompress-response": {
       "version": "3.3.0",
@@ -1365,48 +1188,6 @@
       "integrity": "sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ=",
       "dev": 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==",
-      "requires": {
-        "is-descriptor": "^1.0.2",
-        "isobject": "^3.0.1"
-      },
-      "dependencies": {
-        "is-accessor-descriptor": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz",
-          "integrity": "sha512-m5hnHTkcVsPfqx3AKlyttIPb7J+XykHvJP2B9bZDjlhLIoEq4XoK64Vg7boZlVWYK6LUY94dYPEE7Lh0ZkZKcQ==",
-          "requires": {
-            "kind-of": "^6.0.0"
-          }
-        },
-        "is-data-descriptor": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz",
-          "integrity": "sha512-jbRXy1FmtAoCjQkVmIVYwuuqDFUbaOeDjmed1tOGPrsMhtJA4rD9tkgA0F1qJ3gRFRXcHYVkdeaP50Q5rE/jLQ==",
-          "requires": {
-            "kind-of": "^6.0.0"
-          }
-        },
-        "is-descriptor": {
-          "version": "1.0.2",
-          "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-1.0.2.tgz",
-          "integrity": "sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==",
-          "requires": {
-            "is-accessor-descriptor": "^1.0.0",
-            "is-data-descriptor": "^1.0.0",
-            "kind-of": "^6.0.2"
-          }
-        },
-        "kind-of": {
-          "version": "6.0.2",
-          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
-          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA=="
-        }
-      }
-    },
     "delayed-stream": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
@@ -1589,135 +1370,12 @@
       "integrity": "sha1-BjJjj42HfMghB9MKD/8aF8uhzQw=",
       "dev": true
     },
-    "expand-brackets": {
-      "version": "2.1.4",
-      "resolved": "https://registry.npmjs.org/expand-brackets/-/expand-brackets-2.1.4.tgz",
-      "integrity": "sha1-t3c14xXOMPa27/D4OwQVGiJEliI=",
-      "requires": {
-        "debug": "^2.3.3",
-        "define-property": "^0.2.5",
-        "extend-shallow": "^2.0.1",
-        "posix-character-classes": "^0.1.0",
-        "regex-not": "^1.0.0",
-        "snapdragon": "^0.8.1",
-        "to-regex": "^3.0.1"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "2.6.9",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-          "requires": {
-            "ms": "2.0.0"
-          }
-        },
-        "define-property": {
-          "version": "0.2.5",
-          "resolved": "https://registry.npmjs.org/define-property/-/define-property-0.2.5.tgz",
-          "integrity": "sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=",
-          "requires": {
-            "is-descriptor": "^0.1.0"
-          }
-        },
-        "extend-shallow": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-          "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-          "requires": {
-            "is-extendable": "^0.1.0"
-          }
-        }
-      }
-    },
     "extend": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
       "integrity": "sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g==",
       "dev": true
     },
-    "extend-shallow": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-3.0.2.tgz",
-      "integrity": "sha1-Jqcarwc7OfshJxcnRhMcJwQCjbg=",
-      "requires": {
-        "assign-symbols": "^1.0.0",
-        "is-extendable": "^1.0.1"
-      },
-      "dependencies": {
-        "is-extendable": {
-          "version": "1.0.1",
-          "resolved": "https://registry.npmjs.org/is-extendable/-/is-extendable-1.0.1.tgz",
-          "integrity": "sha512-arnXMxT1hhoKo9k1LZdmlNyJdDDfy2v0fXjFlmok4+i8ul/6WlbVge9bhM74OpNPQPMGUToDtz+KXa1PneJxOA==",
-          "requires": {
-            "is-plain-object": "^2.0.4"
-          }
-        }
-      }
-    },
-    "extglob": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/extglob/-/extglob-2.0.4.tgz",
-      "integrity": "sha512-Nmb6QXkELsuBr24CJSkilo6UHHgbekK5UiZgfE6UHD3Eb27YC6oD+bhcT+tJ6cl8dmsgdQxnWlcry8ksBIBLpw==",
-      "requires": {
-        "array-unique": "^0.3.2",
-        "define-property": "^1.0.0",
-        "expand-brackets": "^2.1.4",
-        "extend-shallow": "^2.0.1",
-        "fragment-cache": "^0.2.1",
-        "regex-not": "^1.0.0",
-        "snapdragon": "^0.8.1",
-        "to-regex": "^3.0.1"
-      },
-      "dependencies": {
-        "define-property": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/define-property/-/define-property-1.0.0.tgz",
-          "integrity": "sha1-dp66rz9KY6rTr56NMEybvnm/sOY=",
-          "requires": {
-            "is-descriptor": "^1.0.0"
-          }
-        },
-        "extend-shallow": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-          "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-          "requires": {
-            "is-extendable": "^0.1.0"
-          }
-        },
-        "is-accessor-descriptor": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz",
-          "integrity": "sha512-m5hnHTkcVsPfqx3AKlyttIPb7J+XykHvJP2B9bZDjlhLIoEq4XoK64Vg7boZlVWYK6LUY94dYPEE7Lh0ZkZKcQ==",
-          "requires": {
-            "kind-of": "^6.0.0"
-          }
-        },
-        "is-data-descriptor": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz",
-          "integrity": "sha512-jbRXy1FmtAoCjQkVmIVYwuuqDFUbaOeDjmed1tOGPrsMhtJA4rD9tkgA0F1qJ3gRFRXcHYVkdeaP50Q5rE/jLQ==",
-          "requires": {
-            "kind-of": "^6.0.0"
-          }
-        },
-        "is-descriptor": {
-          "version": "1.0.2",
-          "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-1.0.2.tgz",
-          "integrity": "sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==",
-          "requires": {
-            "is-accessor-descriptor": "^1.0.0",
-            "is-data-descriptor": "^1.0.0",
-            "kind-of": "^6.0.2"
-          }
-        },
-        "kind-of": {
-          "version": "6.0.2",
-          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
-          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA=="
-        }
-      }
-    },
     "extsprintf": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
@@ -1759,24 +1417,11 @@
       }
     },
     "fill-range": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-4.0.0.tgz",
-      "integrity": "sha1-1USBHUKPmOsGpj3EAtJAPDKMOPc=",
+      "version": "7.0.1",
+      "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.0.1.tgz",
+      "integrity": "sha512-qOo9F+dMUmC2Lcb4BbVvnKJxTPjCm+RRpe4gDuGrzkL7mEVl/djYSu2OdQ2Pa302N4oqkSg9ir6jaLWJ2USVpQ==",
       "requires": {
-        "extend-shallow": "^2.0.1",
-        "is-number": "^3.0.0",
-        "repeat-string": "^1.6.1",
-        "to-regex-range": "^2.1.0"
-      },
-      "dependencies": {
-        "extend-shallow": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-          "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-          "requires": {
-            "is-extendable": "^0.1.0"
-          }
-        }
+        "to-regex-range": "^5.0.1"
       }
     },
     "find-up": {
@@ -1797,11 +1442,6 @@
         "debug": "^3.1.0"
       }
     },
-    "for-in": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/for-in/-/for-in-1.0.2.tgz",
-      "integrity": "sha1-gQaNKVqBQuwKxybG4iAMMPttXoA="
-    },
     "foreachasync": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/foreachasync/-/foreachasync-3.0.0.tgz",
@@ -1825,14 +1465,6 @@
         "mime-types": "^2.1.12"
       }
     },
-    "fragment-cache": {
-      "version": "0.2.1",
-      "resolved": "https://registry.npmjs.org/fragment-cache/-/fragment-cache-0.2.1.tgz",
-      "integrity": "sha1-QpD60n8T6Jvn8zeZxrxaCr//DRk=",
-      "requires": {
-        "map-cache": "^0.2.2"
-      }
-    },
     "franc": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/franc/-/franc-2.0.0.tgz",
@@ -1870,485 +1502,10 @@
       "dev": true
     },
     "fsevents": {
-      "version": "1.2.9",
-      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-1.2.9.tgz",
-      "integrity": "sha512-oeyj2H3EjjonWcFjD5NvZNE9Rqe4UW+nQBU2HNeKw0koVLEFIhtyETyAakeAM3de7Z/SW5kcA+fZUait9EApnw==",
-      "optional": true,
-      "requires": {
-        "nan": "^2.12.1",
-        "node-pre-gyp": "^0.12.0"
-      },
-      "dependencies": {
-        "abbrev": {
-          "version": "1.1.1",
-          "bundled": true,
-          "optional": true
-        },
-        "ansi-regex": {
-          "version": "2.1.1",
-          "bundled": true,
-          "optional": true
-        },
-        "aproba": {
-          "version": "1.2.0",
-          "bundled": true,
-          "optional": true
-        },
-        "are-we-there-yet": {
-          "version": "1.1.5",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "delegates": "^1.0.0",
-            "readable-stream": "^2.0.6"
-          }
-        },
-        "balanced-match": {
-          "version": "1.0.0",
-          "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"
-          }
-        },
-        "chownr": {
-          "version": "1.1.1",
-          "bundled": true,
-          "optional": true
-        },
-        "code-point-at": {
-          "version": "1.1.0",
-          "bundled": true,
-          "optional": true
-        },
-        "concat-map": {
-          "version": "0.0.1",
-          "bundled": true,
-          "optional": true
-        },
-        "console-control-strings": {
-          "version": "1.1.0",
-          "bundled": true,
-          "optional": true
-        },
-        "core-util-is": {
-          "version": "1.0.2",
-          "bundled": true,
-          "optional": true
-        },
-        "debug": {
-          "version": "4.1.1",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "ms": "^2.1.1"
-          }
-        },
-        "deep-extend": {
-          "version": "0.6.0",
-          "bundled": true,
-          "optional": true
-        },
-        "delegates": {
-          "version": "1.0.0",
-          "bundled": true,
-          "optional": true
-        },
-        "detect-libc": {
-          "version": "1.0.3",
-          "bundled": true,
-          "optional": true
-        },
-        "fs-minipass": {
-          "version": "1.2.5",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "minipass": "^2.2.1"
-          }
-        },
-        "fs.realpath": {
-          "version": "1.0.0",
-          "bundled": true,
-          "optional": true
-        },
-        "gauge": {
-          "version": "2.7.4",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "aproba": "^1.0.3",
-            "console-control-strings": "^1.0.0",
-            "has-unicode": "^2.0.0",
-            "object-assign": "^4.1.0",
-            "signal-exit": "^3.0.0",
-            "string-width": "^1.0.1",
-            "strip-ansi": "^3.0.1",
-            "wide-align": "^1.1.0"
-          }
-        },
-        "glob": {
-          "version": "7.1.3",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "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"
-          }
-        },
-        "has-unicode": {
-          "version": "2.0.1",
-          "bundled": true,
-          "optional": true
-        },
-        "iconv-lite": {
-          "version": "0.4.24",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "safer-buffer": ">= 2.1.2 < 3"
-          }
-        },
-        "ignore-walk": {
-          "version": "3.0.1",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "minimatch": "^3.0.4"
-          }
-        },
-        "inflight": {
-          "version": "1.0.6",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "once": "^1.3.0",
-            "wrappy": "1"
-          }
-        },
-        "inherits": {
-          "version": "2.0.3",
-          "bundled": true,
-          "optional": true
-        },
-        "ini": {
-          "version": "1.3.5",
-          "bundled": true,
-          "optional": true
-        },
-        "is-fullwidth-code-point": {
-          "version": "1.0.0",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "number-is-nan": "^1.0.0"
-          }
-        },
-        "isarray": {
-          "version": "1.0.0",
-          "bundled": true,
-          "optional": true
-        },
-        "minimatch": {
-          "version": "3.0.4",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "brace-expansion": "^1.1.7"
-          }
-        },
-        "minimist": {
-          "version": "0.0.8",
-          "bundled": true,
-          "optional": true
-        },
-        "minipass": {
-          "version": "2.3.5",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "safe-buffer": "^5.1.2",
-            "yallist": "^3.0.0"
-          }
-        },
-        "minizlib": {
-          "version": "1.2.1",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "minipass": "^2.2.1"
-          }
-        },
-        "mkdirp": {
-          "version": "0.5.1",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "minimist": "0.0.8"
-          }
-        },
-        "ms": {
-          "version": "2.1.1",
-          "bundled": true,
-          "optional": true
-        },
-        "needle": {
-          "version": "2.3.0",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "debug": "^4.1.0",
-            "iconv-lite": "^0.4.4",
-            "sax": "^1.2.4"
-          }
-        },
-        "node-pre-gyp": {
-          "version": "0.12.0",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "detect-libc": "^1.0.2",
-            "mkdirp": "^0.5.1",
-            "needle": "^2.2.1",
-            "nopt": "^4.0.1",
-            "npm-packlist": "^1.1.6",
-            "npmlog": "^4.0.2",
-            "rc": "^1.2.7",
-            "rimraf": "^2.6.1",
-            "semver": "^5.3.0",
-            "tar": "^4"
-          }
-        },
-        "nopt": {
-          "version": "4.0.1",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "abbrev": "1",
-            "osenv": "^0.1.4"
-          }
-        },
-        "npm-bundled": {
-          "version": "1.0.6",
-          "bundled": true,
-          "optional": true
-        },
-        "npm-packlist": {
-          "version": "1.4.1",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "ignore-walk": "^3.0.1",
-            "npm-bundled": "^1.0.1"
-          }
-        },
-        "npmlog": {
-          "version": "4.1.2",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "are-we-there-yet": "~1.1.2",
-            "console-control-strings": "~1.1.0",
-            "gauge": "~2.7.3",
-            "set-blocking": "~2.0.0"
-          }
-        },
-        "number-is-nan": {
-          "version": "1.0.1",
-          "bundled": true,
-          "optional": true
-        },
-        "object-assign": {
-          "version": "4.1.1",
-          "bundled": true,
-          "optional": true
-        },
-        "once": {
-          "version": "1.4.0",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "wrappy": "1"
-          }
-        },
-        "os-homedir": {
-          "version": "1.0.2",
-          "bundled": true,
-          "optional": true
-        },
-        "os-tmpdir": {
-          "version": "1.0.2",
-          "bundled": true,
-          "optional": true
-        },
-        "osenv": {
-          "version": "0.1.5",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "os-homedir": "^1.0.0",
-            "os-tmpdir": "^1.0.0"
-          }
-        },
-        "path-is-absolute": {
-          "version": "1.0.1",
-          "bundled": true,
-          "optional": true
-        },
-        "process-nextick-args": {
-          "version": "2.0.0",
-          "bundled": true,
-          "optional": true
-        },
-        "rc": {
-          "version": "1.2.8",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "deep-extend": "^0.6.0",
-            "ini": "~1.3.0",
-            "minimist": "^1.2.0",
-            "strip-json-comments": "~2.0.1"
-          },
-          "dependencies": {
-            "minimist": {
-              "version": "1.2.0",
-              "bundled": true,
-              "optional": true
-            }
-          }
-        },
-        "readable-stream": {
-          "version": "2.3.6",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "core-util-is": "~1.0.0",
-            "inherits": "~2.0.3",
-            "isarray": "~1.0.0",
-            "process-nextick-args": "~2.0.0",
-            "safe-buffer": "~5.1.1",
-            "string_decoder": "~1.1.1",
-            "util-deprecate": "~1.0.1"
-          }
-        },
-        "rimraf": {
-          "version": "2.6.3",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "glob": "^7.1.3"
-          }
-        },
-        "safe-buffer": {
-          "version": "5.1.2",
-          "bundled": true,
-          "optional": true
-        },
-        "safer-buffer": {
-          "version": "2.1.2",
-          "bundled": true,
-          "optional": true
-        },
-        "sax": {
-          "version": "1.2.4",
-          "bundled": true,
-          "optional": true
-        },
-        "semver": {
-          "version": "5.7.0",
-          "bundled": true,
-          "optional": true
-        },
-        "set-blocking": {
-          "version": "2.0.0",
-          "bundled": true,
-          "optional": true
-        },
-        "signal-exit": {
-          "version": "3.0.2",
-          "bundled": true,
-          "optional": true
-        },
-        "string-width": {
-          "version": "1.0.2",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "code-point-at": "^1.0.0",
-            "is-fullwidth-code-point": "^1.0.0",
-            "strip-ansi": "^3.0.0"
-          }
-        },
-        "string_decoder": {
-          "version": "1.1.1",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "safe-buffer": "~5.1.0"
-          }
-        },
-        "strip-ansi": {
-          "version": "3.0.1",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "ansi-regex": "^2.0.0"
-          }
-        },
-        "strip-json-comments": {
-          "version": "2.0.1",
-          "bundled": true,
-          "optional": true
-        },
-        "tar": {
-          "version": "4.4.8",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "chownr": "^1.1.1",
-            "fs-minipass": "^1.2.5",
-            "minipass": "^2.3.4",
-            "minizlib": "^1.1.1",
-            "mkdirp": "^0.5.0",
-            "safe-buffer": "^5.1.2",
-            "yallist": "^3.0.2"
-          }
-        },
-        "util-deprecate": {
-          "version": "1.0.2",
-          "bundled": true,
-          "optional": true
-        },
-        "wide-align": {
-          "version": "1.1.3",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "string-width": "^1.0.2 || 2"
-          }
-        },
-        "wrappy": {
-          "version": "1.0.2",
-          "bundled": true,
-          "optional": true
-        },
-        "yallist": {
-          "version": "3.0.3",
-          "bundled": true,
-          "optional": true
-        }
-      }
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.1.1.tgz",
+      "integrity": "sha512-4FRPXWETxtigtJW/gxzEDsX1LVbPAM93VleB83kZB+ellqbHMkyt2aJfuzNLRvFPnGi6bcE5SvfxgbXPeKteJw==",
+      "optional": true
     },
     "gauge": {
       "version": "2.7.4",
@@ -2427,11 +1584,6 @@
       "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-3.0.0.tgz",
       "integrity": "sha1-jpQ9E1jcN1VQVOy+LtsFqhdO3hQ="
     },
-    "get-value": {
-      "version": "2.0.6",
-      "resolved": "https://registry.npmjs.org/get-value/-/get-value-2.0.6.tgz",
-      "integrity": "sha1-3BXKHGcjh8p2vTesCjlbogQqLCg="
-    },
     "getpass": {
       "version": "0.1.7",
       "resolved": "https://registry.npmjs.org/getpass/-/getpass-0.1.7.tgz",
@@ -2661,22 +1813,11 @@
       }
     },
     "glob-parent": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-3.1.0.tgz",
-      "integrity": "sha1-nmr2KZ2NO9K9QEMIMr0RPfkGxa4=",
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.0.tgz",
+      "integrity": "sha512-qjtRgnIVmOfnKUE3NJAQEdk+lKrxfw8t5ke7SXtfMTHcjsBfOfWXCQfdb30zfDoZQ2IRSIiidmjtbHZPZ++Ihw==",
       "requires": {
-        "is-glob": "^3.1.0",
-        "path-dirname": "^1.0.0"
-      },
-      "dependencies": {
-        "is-glob": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-3.1.0.tgz",
-          "integrity": "sha1-e6WuJCF4BKxwcHuWkiVnSGzD6Eo=",
-          "requires": {
-            "is-extglob": "^2.1.0"
-          }
-        }
+        "is-glob": "^4.0.1"
       }
     },
     "global-dirs": {
@@ -2810,35 +1951,6 @@
       "integrity": "sha1-4Ob+aijPUROIVeCG0Wkedx3iqLk=",
       "dev": true
     },
-    "has-value": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/has-value/-/has-value-1.0.0.tgz",
-      "integrity": "sha1-GLKB2lhbHFxR3vJMkw7SmgvmsXc=",
-      "requires": {
-        "get-value": "^2.0.6",
-        "has-values": "^1.0.0",
-        "isobject": "^3.0.0"
-      }
-    },
-    "has-values": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/has-values/-/has-values-1.0.0.tgz",
-      "integrity": "sha1-lbC2P+whRmGab+V/51Yo1aOe/k8=",
-      "requires": {
-        "is-number": "^3.0.0",
-        "kind-of": "^4.0.0"
-      },
-      "dependencies": {
-        "kind-of": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-4.0.0.tgz",
-          "integrity": "sha1-IIE989cSkosgc3hpGkUGb65y3Vc=",
-          "requires": {
-            "is-buffer": "^1.1.5"
-          }
-        }
-      }
-    },
     "hosted-git-info": {
       "version": "2.5.0",
       "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.5.0.tgz",
@@ -2994,7 +2106,8 @@
     "inherits": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
-      "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
+      "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=",
+      "dev": true
     },
     "ini": {
       "version": "1.3.5",
@@ -3011,14 +2124,6 @@
         "p-is-promise": "^1.1.0"
       }
     },
-    "is-accessor-descriptor": {
-      "version": "0.1.6",
-      "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
-      "integrity": "sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=",
-      "requires": {
-        "kind-of": "^3.0.2"
-      }
-    },
     "is-arrayish": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.2.1.tgz",
@@ -3026,17 +2131,19 @@
       "dev": true
     },
     "is-binary-path": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-1.0.1.tgz",
-      "integrity": "sha1-dfFmQrSA8YenEcgUFh/TpKdlWJg=",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-2.1.0.tgz",
+      "integrity": "sha512-ZMERYes6pDydyuGidse7OsHxtbI7WVeUEozgR/g7rd0xUimYNlvZRE/K2MgZTjWy725IfelLeVcEM97mmtRGXw==",
       "requires": {
-        "binary-extensions": "^1.0.0"
+        "binary-extensions": "^2.0.0"
       }
     },
     "is-buffer": {
       "version": "1.1.6",
       "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz",
-      "integrity": "sha1-76ouqdqg16suoTqXsritUf776L4="
+      "integrity": "sha1-76ouqdqg16suoTqXsritUf776L4=",
+      "dev": true,
+      "optional": true
     },
     "is-builtin-module": {
       "version": "1.0.0",
@@ -3055,36 +2162,6 @@
         "ci-info": "^1.0.0"
       }
     },
-    "is-data-descriptor": {
-      "version": "0.1.4",
-      "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
-      "integrity": "sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=",
-      "requires": {
-        "kind-of": "^3.0.2"
-      }
-    },
-    "is-descriptor": {
-      "version": "0.1.6",
-      "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-0.1.6.tgz",
-      "integrity": "sha512-avDYr0SB3DwO9zsMov0gKCESFYqCnE4hq/4z3TdUlukEy5t9C0YRq7HLrsN52NAcqXKaepeCD0n+B0arnVG3Hg==",
-      "requires": {
-        "is-accessor-descriptor": "^0.1.6",
-        "is-data-descriptor": "^0.1.4",
-        "kind-of": "^5.0.0"
-      },
-      "dependencies": {
-        "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=="
-        }
-      }
-    },
-    "is-extendable": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/is-extendable/-/is-extendable-0.1.1.tgz",
-      "integrity": "sha1-YrEQ4omkcUGOPsNqYX1HLjAd/Ik="
-    },
     "is-extglob": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-2.1.1.tgz",
@@ -3127,12 +2204,9 @@
       "integrity": "sha1-8vtjpl5JBbQGyGBydloaTceTufQ="
     },
     "is-number": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/is-number/-/is-number-3.0.0.tgz",
-      "integrity": "sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=",
-      "requires": {
-        "kind-of": "^3.0.2"
-      }
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
+      "integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng=="
     },
     "is-obj": {
       "version": "1.0.1",
@@ -3159,14 +2233,6 @@
       "integrity": "sha1-caUMhCnfync8kqOQpKA7OfzVHT4=",
       "dev": true
     },
-    "is-plain-object": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/is-plain-object/-/is-plain-object-2.0.4.tgz",
-      "integrity": "sha512-h5PpgXkWitc38BBMYawTYMWJHFZJVnBquFE57xFpjB8pJFiF6gZ+bU+WyI/yqXiFR5mdLsgYNaPe8uao6Uv9Og==",
-      "requires": {
-        "isobject": "^3.0.1"
-      }
-    },
     "is-redirect": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-redirect/-/is-redirect-1.0.0.tgz",
@@ -3209,26 +2275,17 @@
       "integrity": "sha1-Sw2hRCEE0bM2NA6AeX6GXPOffXI=",
       "dev": true
     },
-    "is-windows": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/is-windows/-/is-windows-1.0.2.tgz",
-      "integrity": "sha512-eXK1UInq2bPmjyX6e3VHIzMLobc4J94i4AWn+Hpq3OU5KkrRC96OAcR3PRJ/pGu6m8TRnBHP9dkXQVsT/COVIA=="
-    },
     "isarray": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
-      "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
+      "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
+      "dev": true
     },
     "isexe": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
       "integrity": "sha1-6PvzdNxVb/iUehDcsFctYz8s+hA="
     },
-    "isobject": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz",
-      "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8="
-    },
     "isstream": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/isstream/-/isstream-0.1.2.tgz",
@@ -3320,6 +2377,30 @@
         "is-object": "^1.0.1"
       }
     },
+    "jade": {
+      "version": "0.26.3",
+      "resolved": "https://registry.npmjs.org/jade/-/jade-0.26.3.tgz",
+      "integrity": "sha1-jxDXl32NefL2/4YqgbBRPMslaGw=",
+      "dev": true,
+      "requires": {
+        "commander": "0.6.1",
+        "mkdirp": "0.3.0"
+      },
+      "dependencies": {
+        "commander": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-0.6.1.tgz",
+          "integrity": "sha1-+mihT2qUXVTbvlDYzbMyDp47GgY=",
+          "dev": true
+        },
+        "mkdirp": {
+          "version": "0.3.0",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.3.0.tgz",
+          "integrity": "sha1-G79asbqCevI1dRQ0kEJkVfSB/h4=",
+          "dev": true
+        }
+      }
+    },
     "js-yaml": {
       "version": "3.10.0",
       "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.10.0.tgz",
@@ -3562,6 +2643,8 @@
       "version": "3.2.2",
       "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
       "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
+      "dev": true,
+      "optional": true,
       "requires": {
         "is-buffer": "^1.1.5"
       }
@@ -3777,25 +2860,12 @@
         "pify": "^3.0.0"
       }
     },
-    "map-cache": {
-      "version": "0.2.2",
-      "resolved": "https://registry.npmjs.org/map-cache/-/map-cache-0.2.2.tgz",
-      "integrity": "sha1-wyq9C9ZSXZsFFkW7TyasXcmKDb8="
-    },
     "map-obj": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/map-obj/-/map-obj-1.0.1.tgz",
       "integrity": "sha1-2TPOuSBdgr3PSIb2dCvcK03qFG0=",
       "dev": true
     },
-    "map-visit": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/map-visit/-/map-visit-1.0.0.tgz",
-      "integrity": "sha1-7Nyo8TFE5mDxtb1B8S80edmN+48=",
-      "requires": {
-        "object-visit": "^1.0.0"
-      }
-    },
     "meow": {
       "version": "3.7.0",
       "resolved": "https://registry.npmjs.org/meow/-/meow-3.7.0.tgz",
@@ -3820,33 +2890,6 @@
       "integrity": "sha1-sAqqVW3YtEVoFQ7J0blT8/kMu2E=",
       "dev": true
     },
-    "micromatch": {
-      "version": "3.1.10",
-      "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-3.1.10.tgz",
-      "integrity": "sha512-MWikgl9n9M3w+bpsY3He8L+w9eF9338xRl8IAO5viDizwSzziFEyUzo2xrrloB64ADbTf8uA8vRqqttDTOmccg==",
-      "requires": {
-        "arr-diff": "^4.0.0",
-        "array-unique": "^0.3.2",
-        "braces": "^2.3.1",
-        "define-property": "^2.0.2",
-        "extend-shallow": "^3.0.2",
-        "extglob": "^2.0.4",
-        "fragment-cache": "^0.2.1",
-        "kind-of": "^6.0.2",
-        "nanomatch": "^1.2.9",
-        "object.pick": "^1.3.0",
-        "regex-not": "^1.0.0",
-        "snapdragon": "^0.8.1",
-        "to-regex": "^3.0.2"
-      },
-      "dependencies": {
-        "kind-of": {
-          "version": "6.0.2",
-          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
-          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA=="
-        }
-      }
-    },
     "mime": {
       "version": "2.4.4",
       "resolved": "https://registry.npmjs.org/mime/-/mime-2.4.4.tgz",
@@ -3897,25 +2940,6 @@
         "is-plain-obj": "^1.1.0"
       }
     },
-    "mixin-deep": {
-      "version": "1.3.2",
-      "resolved": "https://registry.npmjs.org/mixin-deep/-/mixin-deep-1.3.2.tgz",
-      "integrity": "sha512-WRoDn//mXBiJ1H40rqa3vH0toePwSsGb45iInWlTySa+Uu4k3tYUSxa2v1KqAiLtvlrSzaExqS1gtk96A9zvEA==",
-      "requires": {
-        "for-in": "^1.0.2",
-        "is-extendable": "^1.0.1"
-      },
-      "dependencies": {
-        "is-extendable": {
-          "version": "1.0.1",
-          "resolved": "https://registry.npmjs.org/is-extendable/-/is-extendable-1.0.1.tgz",
-          "integrity": "sha512-arnXMxT1hhoKo9k1LZdmlNyJdDDfy2v0fXjFlmok4+i8ul/6WlbVge9bhM74OpNPQPMGUToDtz+KXa1PneJxOA==",
-          "requires": {
-            "is-plain-object": "^2.0.4"
-          }
-        }
-      }
-    },
     "mkdirp": {
       "version": "0.3.5",
       "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.3.5.tgz",
@@ -3934,6 +2958,7 @@
         "escape-string-regexp": "1.0.2",
         "glob": "3.2.11",
         "growl": "1.9.2",
+        "jade": "0.26.3",
         "mkdirp": "0.5.1",
         "supports-color": "1.2.0",
         "to-iso-string": "0.0.2"
@@ -4055,37 +3080,6 @@
       "integrity": "sha1-ms7LD3l/v9IqCtiijZh4gKYwAqs=",
       "dev": true
     },
-    "nan": {
-      "version": "2.14.0",
-      "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz",
-      "integrity": "sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==",
-      "optional": true
-    },
-    "nanomatch": {
-      "version": "1.2.13",
-      "resolved": "https://registry.npmjs.org/nanomatch/-/nanomatch-1.2.13.tgz",
-      "integrity": "sha512-fpoe2T0RbHwBTBUOftAfBPaDEi06ufaUai0mE6Yn1kacc3SnTErfb/h+X94VXzI64rKFHYImXSvdwGGCmwOqCA==",
-      "requires": {
-        "arr-diff": "^4.0.0",
-        "array-unique": "^0.3.2",
-        "define-property": "^2.0.2",
-        "extend-shallow": "^3.0.2",
-        "fragment-cache": "^0.2.1",
-        "is-windows": "^1.0.2",
-        "kind-of": "^6.0.2",
-        "object.pick": "^1.3.0",
-        "regex-not": "^1.0.0",
-        "snapdragon": "^0.8.1",
-        "to-regex": "^3.0.1"
-      },
-      "dependencies": {
-        "kind-of": {
-          "version": "6.0.2",
-          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
-          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA=="
-        }
-      }
-    },
     "natural-compare": {
       "version": "1.2.2",
       "resolved": "https://registry.npmjs.org/natural-compare/-/natural-compare-1.2.2.tgz",
@@ -4326,42 +3320,6 @@
       "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=",
       "dev": true
     },
-    "object-copy": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/object-copy/-/object-copy-0.1.0.tgz",
-      "integrity": "sha1-fn2Fi3gb18mRpBupde04EnVOmYw=",
-      "requires": {
-        "copy-descriptor": "^0.1.0",
-        "define-property": "^0.2.5",
-        "kind-of": "^3.0.3"
-      },
-      "dependencies": {
-        "define-property": {
-          "version": "0.2.5",
-          "resolved": "https://registry.npmjs.org/define-property/-/define-property-0.2.5.tgz",
-          "integrity": "sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=",
-          "requires": {
-            "is-descriptor": "^0.1.0"
-          }
-        }
-      }
-    },
-    "object-visit": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/object-visit/-/object-visit-1.0.1.tgz",
-      "integrity": "sha1-95xEk68MU3e1n+OdOV5BBC3QRbs=",
-      "requires": {
-        "isobject": "^3.0.0"
-      }
-    },
-    "object.pick": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/object.pick/-/object.pick-1.3.0.tgz",
-      "integrity": "sha1-h6EKxMFpS9Lhy/U1kaZhQftd10c=",
-      "requires": {
-        "isobject": "^3.0.1"
-      }
-    },
     "once": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
@@ -4525,16 +3483,6 @@
         "error-ex": "^1.2.0"
       }
     },
-    "pascalcase": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/pascalcase/-/pascalcase-0.1.1.tgz",
-      "integrity": "sha1-s2PlXoAGym/iF4TS2yK9FdeRfxQ="
-    },
-    "path-dirname": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/path-dirname/-/path-dirname-1.0.2.tgz",
-      "integrity": "sha1-zDPSTVJeCZpTiMAzbG4yuRYGCeA="
-    },
     "path-exists": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz",
@@ -4544,7 +3492,8 @@
     "path-is-absolute": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
-      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18="
+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
+      "dev": true
     },
     "path-is-inside": {
       "version": "1.0.2",
@@ -4597,6 +3546,11 @@
       "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=",
       "dev": true
     },
+    "picomatch": {
+      "version": "2.0.7",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.0.7.tgz",
+      "integrity": "sha512-oLHIdio3tZ0qH76NybpeneBhYVj0QFTfXEFTc/B3zKQspYfYYkWYgFsmzo+4kvId/bQRcNkVeguI3y+CD22BtA=="
+    },
     "pify": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
@@ -4629,11 +3583,6 @@
       "integrity": "sha1-IOnHf77tzDVoI86mPHWFys6Tvio=",
       "dev": true
     },
-    "posix-character-classes": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/posix-character-classes/-/posix-character-classes-0.1.1.tgz",
-      "integrity": "sha1-AerA/jta9xoqbAL+q7jB/vfgDqs="
-    },
     "prelude-ls": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.1.2.tgz",
@@ -4648,7 +3597,8 @@
     "process-nextick-args": {
       "version": "1.0.7",
       "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-1.0.7.tgz",
-      "integrity": "sha1-FQ4gt1ZZCtP5EJPyWk8q2L/zC6M="
+      "integrity": "sha1-FQ4gt1ZZCtP5EJPyWk8q2L/zC6M=",
+      "dev": true
     },
     "prompt": {
       "version": "0.2.14",
@@ -4797,6 +3747,7 @@
       "version": "2.3.3",
       "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.3.tgz",
       "integrity": "sha1-No8lEtefnUb9/HE0mueHi7weuVw=",
+      "dev": true,
       "requires": {
         "core-util-is": "~1.0.0",
         "inherits": "~2.0.3",
@@ -4808,13 +3759,11 @@
       }
     },
     "readdirp": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-2.2.1.tgz",
-      "integrity": "sha512-1JU/8q+VgFZyxwrJ+SVIOsh+KywWGpds3NTqikiKpDMZWScmAYyKIgqkO+ARvNWJfXeXR1zxz7aHF4u4CyH6vQ==",
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.2.0.tgz",
+      "integrity": "sha512-crk4Qu3pmXwgxdSgGhgA/eXiJAPQiX4GMOZZMXnqKxHX7TaoL+3gQVo/WeuAiogr07DpnfjIMpXXa+PAIvwPGQ==",
       "requires": {
-        "graceful-fs": "^4.1.11",
-        "micromatch": "^3.1.10",
-        "readable-stream": "^2.0.2"
+        "picomatch": "^2.0.4"
       }
     },
     "redent": {
@@ -4833,15 +3782,6 @@
       "integrity": "sha512-/aA0kLeRb5N9K0d4fw7ooEbI+xDe+DKD499EQqygGqeS8N3xto15p09uY2xj7ixP81sNPXvRLnAQIqdVStgb1A==",
       "dev": true
     },
-    "regex-not": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/regex-not/-/regex-not-1.0.2.tgz",
-      "integrity": "sha512-J6SDjUgDxQj5NusnOtdFxDwN/+HWykR8GELwctJ7mdqhcyy1xEc4SRFHUXvxTp661YaVKAjfRLZ9cCqS6tn32A==",
-      "requires": {
-        "extend-shallow": "^3.0.2",
-        "safe-regex": "^1.1.0"
-      }
-    },
     "registry-auth-token": {
       "version": "3.3.2",
       "resolved": "https://registry.npmjs.org/registry-auth-token/-/registry-auth-token-3.3.2.tgz",
@@ -4859,20 +3799,12 @@
         "rc": "^1.0.1"
       }
     },
-    "remove-trailing-separator": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz",
-      "integrity": "sha1-wkvOKig62tW8P1jg1IJJuSN52O8="
-    },
-    "repeat-element": {
-      "version": "1.1.3",
-      "resolved": "https://registry.npmjs.org/repeat-element/-/repeat-element-1.1.3.tgz",
-      "integrity": "sha512-ahGq0ZnV5m5XtZLMb+vP76kcAM5nkLqk0lpqAuojSKGgQtn4eRi4ZZGm2olo2zKFH+sMsWaqOCW1dqAnOru72g=="
-    },
     "repeat-string": {
       "version": "1.6.1",
       "resolved": "https://registry.npmjs.org/repeat-string/-/repeat-string-1.6.1.tgz",
-      "integrity": "sha1-jcrkcOHIirwtYA//Sndihtp15jc="
+      "integrity": "sha1-jcrkcOHIirwtYA//Sndihtp15jc=",
+      "dev": true,
+      "optional": true
     },
     "repeating": {
       "version": "2.0.1",
@@ -4949,11 +3881,6 @@
       "integrity": "sha1-six699nWiBvItuZTM17rywoYh0g=",
       "dev": true
     },
-    "resolve-url": {
-      "version": "0.2.1",
-      "resolved": "https://registry.npmjs.org/resolve-url/-/resolve-url-0.2.1.tgz",
-      "integrity": "sha1-LGN/53yJOv0qZj/iGqkIAGjiBSo="
-    },
     "responselike": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/responselike/-/responselike-1.0.2.tgz",
@@ -4963,11 +3890,6 @@
         "lowercase-keys": "^1.0.0"
       }
     },
-    "ret": {
-      "version": "0.1.15",
-      "resolved": "https://registry.npmjs.org/ret/-/ret-0.1.15.tgz",
-      "integrity": "sha512-TTlYpa+OL+vMMNG24xSlQGEJ3B/RzEfUlLct7b5G/ytav+wPrplCpVMFuwzXbkecJrb6IYo1iFb0S9v37754mg=="
-    },
     "retry": {
       "version": "0.10.1",
       "resolved": "https://registry.npmjs.org/retry/-/retry-0.10.1.tgz",
@@ -5020,14 +3942,6 @@
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
       "integrity": "sha1-iTMSr2myEj3vcfV4iQAWce6yyFM="
     },
-    "safe-regex": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/safe-regex/-/safe-regex-1.1.0.tgz",
-      "integrity": "sha1-QKNmnzsHfR6UPURinhV91IAjvy4=",
-      "requires": {
-        "ret": "~0.1.10"
-      }
-    },
     "safer-buffer": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
@@ -5107,27 +4021,6 @@
       "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc=",
       "dev": true
     },
-    "set-value": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/set-value/-/set-value-2.0.1.tgz",
-      "integrity": "sha512-JxHc1weCN68wRY0fhCoXpyK55m/XPHafOmK4UWD7m2CI14GMcFypt4w/0+NV5f/ZMby2F6S2wwA7fgynh9gWSw==",
-      "requires": {
-        "extend-shallow": "^2.0.1",
-        "is-extendable": "^0.1.1",
-        "is-plain-object": "^2.0.3",
-        "split-string": "^3.0.1"
-      },
-      "dependencies": {
-        "extend-shallow": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-          "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-          "requires": {
-            "is-extendable": "^0.1.0"
-          }
-        }
-      }
-    },
     "shebang-command": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-1.2.0.tgz",
@@ -5170,111 +4063,6 @@
       "integrity": "sha1-VusCfWW00tzmyy4tMsTUr8nh1wc=",
       "dev": true
     },
-    "snapdragon": {
-      "version": "0.8.2",
-      "resolved": "https://registry.npmjs.org/snapdragon/-/snapdragon-0.8.2.tgz",
-      "integrity": "sha512-FtyOnWN/wCHTVXOMwvSv26d+ko5vWlIDD6zoUJ7LW8vh+ZBC8QdljveRP+crNrtBwioEUWy/4dMtbBjA4ioNlg==",
-      "requires": {
-        "base": "^0.11.1",
-        "debug": "^2.2.0",
-        "define-property": "^0.2.5",
-        "extend-shallow": "^2.0.1",
-        "map-cache": "^0.2.2",
-        "source-map": "^0.5.6",
-        "source-map-resolve": "^0.5.0",
-        "use": "^3.1.0"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "2.6.9",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-          "requires": {
-            "ms": "2.0.0"
-          }
-        },
-        "define-property": {
-          "version": "0.2.5",
-          "resolved": "https://registry.npmjs.org/define-property/-/define-property-0.2.5.tgz",
-          "integrity": "sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=",
-          "requires": {
-            "is-descriptor": "^0.1.0"
-          }
-        },
-        "extend-shallow": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-          "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-          "requires": {
-            "is-extendable": "^0.1.0"
-          }
-        },
-        "source-map": {
-          "version": "0.5.7",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
-          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w="
-        }
-      }
-    },
-    "snapdragon-node": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/snapdragon-node/-/snapdragon-node-2.1.1.tgz",
-      "integrity": "sha512-O27l4xaMYt/RSQ5TR3vpWCAB5Kb/czIcqUFOM/C4fYcLnbZUc1PkjTAMjof2pBWaSTwOUd6qUHcFGVGj7aIwnw==",
-      "requires": {
-        "define-property": "^1.0.0",
-        "isobject": "^3.0.0",
-        "snapdragon-util": "^3.0.1"
-      },
-      "dependencies": {
-        "define-property": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/define-property/-/define-property-1.0.0.tgz",
-          "integrity": "sha1-dp66rz9KY6rTr56NMEybvnm/sOY=",
-          "requires": {
-            "is-descriptor": "^1.0.0"
-          }
-        },
-        "is-accessor-descriptor": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz",
-          "integrity": "sha512-m5hnHTkcVsPfqx3AKlyttIPb7J+XykHvJP2B9bZDjlhLIoEq4XoK64Vg7boZlVWYK6LUY94dYPEE7Lh0ZkZKcQ==",
-          "requires": {
-            "kind-of": "^6.0.0"
-          }
-        },
-        "is-data-descriptor": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz",
-          "integrity": "sha512-jbRXy1FmtAoCjQkVmIVYwuuqDFUbaOeDjmed1tOGPrsMhtJA4rD9tkgA0F1qJ3gRFRXcHYVkdeaP50Q5rE/jLQ==",
-          "requires": {
-            "kind-of": "^6.0.0"
-          }
-        },
-        "is-descriptor": {
-          "version": "1.0.2",
-          "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-1.0.2.tgz",
-          "integrity": "sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==",
-          "requires": {
-            "is-accessor-descriptor": "^1.0.0",
-            "is-data-descriptor": "^1.0.0",
-            "kind-of": "^6.0.2"
-          }
-        },
-        "kind-of": {
-          "version": "6.0.2",
-          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
-          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA=="
-        }
-      }
-    },
-    "snapdragon-util": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/snapdragon-util/-/snapdragon-util-3.0.1.tgz",
-      "integrity": "sha512-mbKkMdQKsjX4BAL4bRYTj21edOf8cN7XHdYUJEe+Zn99hVEYcMvKPct1IqNe7+AZPirn8BCDOQBHQZknqmKlZQ==",
-      "requires": {
-        "kind-of": "^3.2.0"
-      }
-    },
     "sort-keys": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/sort-keys/-/sort-keys-2.0.0.tgz",
@@ -5294,18 +4082,6 @@
         "amdefine": ">=0.0.4"
       }
     },
-    "source-map-resolve": {
-      "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==",
-      "requires": {
-        "atob": "^2.1.1",
-        "decode-uri-component": "^0.2.0",
-        "resolve-url": "^0.2.1",
-        "source-map-url": "^0.4.0",
-        "urix": "^0.1.0"
-      }
-    },
     "source-map-support": {
       "version": "0.4.18",
       "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.4.18.tgz",
@@ -5323,11 +4099,6 @@
         }
       }
     },
-    "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="
-    },
     "spdx-correct": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-1.0.2.tgz",
@@ -5358,14 +4129,6 @@
         "through": "2"
       }
     },
-    "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==",
-      "requires": {
-        "extend-shallow": "^3.0.0"
-      }
-    },
     "split2": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/split2/-/split2-2.2.0.tgz",
@@ -5413,25 +4176,6 @@
       "integrity": "sha1-VHxws0fo0ytOEI6hoqFZ5f3eGcA=",
       "dev": true
     },
-    "static-extend": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/static-extend/-/static-extend-0.1.2.tgz",
-      "integrity": "sha1-YICcOcv/VTNyJv1eC1IPNB8ftcY=",
-      "requires": {
-        "define-property": "^0.2.5",
-        "object-copy": "^0.1.0"
-      },
-      "dependencies": {
-        "define-property": {
-          "version": "0.2.5",
-          "resolved": "https://registry.npmjs.org/define-property/-/define-property-0.2.5.tgz",
-          "integrity": "sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=",
-          "requires": {
-            "is-descriptor": "^0.1.0"
-          }
-        }
-      }
-    },
     "strict-uri-encode": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/strict-uri-encode/-/strict-uri-encode-1.1.0.tgz",
@@ -5451,6 +4195,7 @@
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
       "integrity": "sha1-D8Z9fBQYJd6UKC3VNr7GubzoYKs=",
+      "dev": true,
       "requires": {
         "safe-buffer": "~5.1.0"
       }
@@ -5572,32 +4317,12 @@
       "integrity": "sha1-TcGeZk38y+Jb2NtQiwDG2hWCVdE=",
       "dev": true
     },
-    "to-object-path": {
-      "version": "0.3.0",
-      "resolved": "https://registry.npmjs.org/to-object-path/-/to-object-path-0.3.0.tgz",
-      "integrity": "sha1-KXWIt7Dn4KwI4E5nL4XB9JmeF68=",
-      "requires": {
-        "kind-of": "^3.0.2"
-      }
-    },
-    "to-regex": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/to-regex/-/to-regex-3.0.2.tgz",
-      "integrity": "sha512-FWtleNAtZ/Ki2qtqej2CXTOayOH9bHDQF+Q48VpWyDXjbYxA4Yz8iDB31zXOBUlOHHKidDbqGVrTUvQMPmBGBw==",
-      "requires": {
-        "define-property": "^2.0.2",
-        "extend-shallow": "^3.0.2",
-        "regex-not": "^1.0.2",
-        "safe-regex": "^1.1.0"
-      }
-    },
     "to-regex-range": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-2.1.1.tgz",
-      "integrity": "sha1-fIDBe53+vlmeJzZ+DU3VWQFB2zg=",
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
+      "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
       "requires": {
-        "is-number": "^3.0.0",
-        "repeat-string": "^1.6.1"
+        "is-number": "^7.0.0"
       }
     },
     "to-single-quotes": {
@@ -5823,17 +4548,6 @@
       "integrity": "sha1-izixDKze9jM3uLJOT/htRa6lKag=",
       "dev": true
     },
-    "union-value": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.1.tgz",
-      "integrity": "sha512-tJfXmxMeWYnczCVs7XAEvIV7ieppALdyepWMkHkwciRpZraG/xwT+s2JN8+pr1+8jCRf80FFzvr+MpQeeoF4Xg==",
-      "requires": {
-        "arr-union": "^3.1.0",
-        "get-value": "^2.0.6",
-        "is-extendable": "^0.1.1",
-        "set-value": "^2.0.1"
-      }
-    },
     "unique-string": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unique-string/-/unique-string-1.0.0.tgz",
@@ -5848,52 +4562,11 @@
       "integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==",
       "dev": true
     },
-    "unset-value": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/unset-value/-/unset-value-1.0.0.tgz",
-      "integrity": "sha1-g3aHP30jNRef+x5vw6jtDfyKtVk=",
-      "requires": {
-        "has-value": "^0.3.1",
-        "isobject": "^3.0.0"
-      },
-      "dependencies": {
-        "has-value": {
-          "version": "0.3.1",
-          "resolved": "https://registry.npmjs.org/has-value/-/has-value-0.3.1.tgz",
-          "integrity": "sha1-ex9YutpiyoJ+wKIHgCVlSEWZXh8=",
-          "requires": {
-            "get-value": "^2.0.3",
-            "has-values": "^0.1.4",
-            "isobject": "^2.0.0"
-          },
-          "dependencies": {
-            "isobject": {
-              "version": "2.1.0",
-              "resolved": "https://registry.npmjs.org/isobject/-/isobject-2.1.0.tgz",
-              "integrity": "sha1-8GVWEJaj8dou9GJy+BXIQNh+DIk=",
-              "requires": {
-                "isarray": "1.0.0"
-              }
-            }
-          }
-        },
-        "has-values": {
-          "version": "0.1.4",
-          "resolved": "https://registry.npmjs.org/has-values/-/has-values-0.1.4.tgz",
-          "integrity": "sha1-bWHeldkd/Km5oCCJrThL/49it3E="
-        }
-      }
-    },
     "unzip-response": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/unzip-response/-/unzip-response-2.0.1.tgz",
       "integrity": "sha1-0vD3N9FrBhXnKmk17QQhRXLVb5c="
     },
-    "upath": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/upath/-/upath-1.1.2.tgz",
-      "integrity": "sha512-kXpym8nmDmlCBr7nKdIx8P2jNBa+pBpIUFRnKJ4dr8htyYGJFokkr2ZvERRtUN+9SY+JqXouNgUPtv6JQva/2Q=="
-    },
     "update-notifier": {
       "version": "2.5.0",
       "resolved": "https://registry.npmjs.org/update-notifier/-/update-notifier-2.5.0.tgz",
@@ -5920,11 +4593,6 @@
         "punycode": "^2.1.0"
       }
     },
-    "urix": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
-      "integrity": "sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI="
-    },
     "url-join": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/url-join/-/url-join-2.0.5.tgz",
@@ -5945,15 +4613,11 @@
       "integrity": "sha1-FQWgOiiaSMvXpDTvuu7FBV9WM6k=",
       "dev": true
     },
-    "use": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/use/-/use-3.1.1.tgz",
-      "integrity": "sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ=="
-    },
     "util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
+      "dev": true
     },
     "utile": {
       "version": "0.2.1",
diff --git a/package.json b/package.json
index c25235a5..ddcc1d22 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "nodemon": "./bin/nodemon.js"
   },
   "engines": {
-    "node": ">=4"
+    "node": ">=8.10.0"
   },
   "repository": {
     "type": "git",
@@ -55,7 +55,7 @@
     "should": "~4.0.0"
   },
   "dependencies": {
-    "chokidar": "^2.1.8",
+    "chokidar": "^3.2.2",
     "debug": "^3.2.6",
     "ignore-by-default": "^1.0.1",
     "minimatch": "^3.0.4",