diff --git a/package-lock.json b/package-lock.json
index ddef978..32b1720 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -894,11 +894,26 @@
         "normalize-path": "^2.1.1"
       }
     },
+    "append-transform": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/append-transform/-/append-transform-1.0.0.tgz",
+      "integrity": "sha512-P009oYkeHyU742iSZJzZZywj4QRJdnTWffaKuJQLablCZ1uz6/cW4yaRgcDaoQ+uwOxxnt0gRUcwfsNP2ri0gw==",
+      "dev": true,
+      "requires": {
+        "default-require-extensions": "^2.0.0"
+      }
+    },
     "aproba": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz",
       "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw=="
     },
+    "archy": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/archy/-/archy-1.0.0.tgz",
+      "integrity": "sha1-+cjBN1fMHde8N5rHeyxipcKGjEA=",
+      "dev": true
+    },
     "are-we-there-yet": {
       "version": "1.1.5",
       "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz",
@@ -1441,6 +1456,59 @@
         }
       }
     },
+    "caching-transform": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/caching-transform/-/caching-transform-3.0.2.tgz",
+      "integrity": "sha512-Mtgcv3lh3U0zRii/6qVgQODdPA4G3zhG+jtbCWj39RXuUFTMzH0vcdMtaJS1jPowd+It2Pqr6y3NJMQqOqCE2w==",
+      "dev": true,
+      "requires": {
+        "hasha": "^3.0.0",
+        "make-dir": "^2.0.0",
+        "package-hash": "^3.0.0",
+        "write-file-atomic": "^2.4.2"
+      },
+      "dependencies": {
+        "make-dir": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-2.1.0.tgz",
+          "integrity": "sha512-LS9X+dc8KLxXCb8dni79fLIIUA5VyZoyjSMCwTluaXA0o27cCK0bhXkpgw+sTXVpPy/lSO57ilRixqk0vDmtRA==",
+          "dev": true,
+          "requires": {
+            "pify": "^4.0.1",
+            "semver": "^5.6.0"
+          }
+        },
+        "package-hash": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/package-hash/-/package-hash-3.0.0.tgz",
+          "integrity": "sha512-lOtmukMDVvtkL84rJHI7dpTYq+0rli8N2wlnqUcBuDWCfVhRUfOmnR9SsoHFMLpACvEV60dX7rd0rFaYDZI+FA==",
+          "dev": true,
+          "requires": {
+            "graceful-fs": "^4.1.15",
+            "hasha": "^3.0.0",
+            "lodash.flattendeep": "^4.4.0",
+            "release-zalgo": "^1.0.0"
+          }
+        },
+        "pify": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-4.0.1.tgz",
+          "integrity": "sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g==",
+          "dev": true
+        },
+        "write-file-atomic": {
+          "version": "2.4.2",
+          "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-2.4.2.tgz",
+          "integrity": "sha512-s0b6vB3xIVRLWywa6X9TOMA7k9zio0TMOsl9ZnDkliA/cfJlpHXAscj0gbHVJiTdIuAYpIyqS5GW91fqm6gG5g==",
+          "dev": true,
+          "requires": {
+            "graceful-fs": "^4.1.11",
+            "imurmurhash": "^0.1.4",
+            "signal-exit": "^3.0.2"
+          }
+        }
+      }
+    },
     "call-matcher": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/call-matcher/-/call-matcher-1.1.0.tgz",
@@ -1761,6 +1829,12 @@
       "integrity": "sha1-zVL28HEuC6q5fW+XModPIvR3UsA=",
       "dev": true
     },
+    "commondir": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/commondir/-/commondir-1.0.1.tgz",
+      "integrity": "sha1-3dgA2gxmEnOTzKWVDqloo6rxJTs=",
+      "dev": true
+    },
     "compare-func": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/compare-func/-/compare-func-1.3.2.tgz",
@@ -2244,6 +2318,37 @@
         "request": "^2.85.0"
       }
     },
+    "cp-file": {
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/cp-file/-/cp-file-6.2.0.tgz",
+      "integrity": "sha512-fmvV4caBnofhPe8kOcitBwSn2f39QLjnAnGq3gO9dfd75mUytzKNZB1hde6QHunW2Rt+OwuBOMc3i1tNElbszA==",
+      "dev": true,
+      "requires": {
+        "graceful-fs": "^4.1.2",
+        "make-dir": "^2.0.0",
+        "nested-error-stacks": "^2.0.0",
+        "pify": "^4.0.1",
+        "safe-buffer": "^5.0.1"
+      },
+      "dependencies": {
+        "make-dir": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-2.1.0.tgz",
+          "integrity": "sha512-LS9X+dc8KLxXCb8dni79fLIIUA5VyZoyjSMCwTluaXA0o27cCK0bhXkpgw+sTXVpPy/lSO57ilRixqk0vDmtRA==",
+          "dev": true,
+          "requires": {
+            "pify": "^4.0.1",
+            "semver": "^5.6.0"
+          }
+        },
+        "pify": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-4.0.1.tgz",
+          "integrity": "sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g==",
+          "dev": true
+        }
+      }
+    },
     "create-error-class": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/create-error-class/-/create-error-class-3.0.2.tgz",
@@ -2386,6 +2491,15 @@
         "core-assert": "^0.2.0"
       }
     },
+    "default-require-extensions": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/default-require-extensions/-/default-require-extensions-2.0.0.tgz",
+      "integrity": "sha1-9fj7sYp9bVCyH2QfZJ67Uiz+JPc=",
+      "dev": true,
+      "requires": {
+        "strip-bom": "^3.0.0"
+      }
+    },
     "defaults": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/defaults/-/defaults-1.0.3.tgz",
@@ -2465,7 +2579,7 @@
           "dependencies": {
             "pify": {
               "version": "2.3.0",
-              "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+              "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
               "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
               "dev": true
             }
@@ -2607,6 +2721,12 @@
       "integrity": "sha512-r4eRSeStEGf6M5SKdrQhhLK5bOwOBxQhIE3YSTnZE3GpKiLfnnhE+tPtrJE79+eDJgm39BM6LSoI8SCx4HbwlQ==",
       "dev": true
     },
+    "emoji-regex": {
+      "version": "7.0.3",
+      "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-7.0.3.tgz",
+      "integrity": "sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA==",
+      "dev": true
+    },
     "empower-core": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/empower-core/-/empower-core-1.2.0.tgz",
@@ -3056,7 +3176,7 @@
         },
         "pify": {
           "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
           "dev": true
         },
@@ -3491,6 +3611,35 @@
         }
       }
     },
+    "find-cache-dir": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/find-cache-dir/-/find-cache-dir-2.1.0.tgz",
+      "integrity": "sha512-Tq6PixE0w/VMFfCgbONnkiQIVol/JJL7nRMi20fqzA4NRs9AfeqMGeRdPi3wIhYkxjeBaWh2rxwapn5Tu3IqOQ==",
+      "dev": true,
+      "requires": {
+        "commondir": "^1.0.1",
+        "make-dir": "^2.0.0",
+        "pkg-dir": "^3.0.0"
+      },
+      "dependencies": {
+        "make-dir": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-2.1.0.tgz",
+          "integrity": "sha512-LS9X+dc8KLxXCb8dni79fLIIUA5VyZoyjSMCwTluaXA0o27cCK0bhXkpgw+sTXVpPy/lSO57ilRixqk0vDmtRA==",
+          "dev": true,
+          "requires": {
+            "pify": "^4.0.1",
+            "semver": "^5.6.0"
+          }
+        },
+        "pify": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-4.0.1.tgz",
+          "integrity": "sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g==",
+          "dev": true
+        }
+      }
+    },
     "find-up": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/find-up/-/find-up-3.0.0.tgz",
@@ -3517,6 +3666,28 @@
       "integrity": "sha1-gQaNKVqBQuwKxybG4iAMMPttXoA=",
       "dev": true
     },
+    "foreground-child": {
+      "version": "1.5.6",
+      "resolved": "https://registry.npmjs.org/foreground-child/-/foreground-child-1.5.6.tgz",
+      "integrity": "sha1-T9ca0t/elnibmApcCilZN8svXOk=",
+      "dev": true,
+      "requires": {
+        "cross-spawn": "^4",
+        "signal-exit": "^3.0.0"
+      },
+      "dependencies": {
+        "cross-spawn": {
+          "version": "4.0.2",
+          "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-4.0.2.tgz",
+          "integrity": "sha1-e5JHYhwjrf3ThWAEqCPL45dCTUE=",
+          "dev": true,
+          "requires": {
+            "lru-cache": "^4.0.1",
+            "which": "^1.2.9"
+          }
+        }
+      }
+    },
     "forever-agent": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/forever-agent/-/forever-agent-0.6.1.tgz",
@@ -3598,12 +3769,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -3618,17 +3791,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -3745,7 +3921,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -3757,6 +3934,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -3771,6 +3949,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -3778,12 +3957,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -3802,6 +3983,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -3882,7 +4064,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -3894,6 +4077,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -4016,6 +4200,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -4630,6 +4815,15 @@
       "integrity": "sha1-ieJdtgS3Jcj1l2//Ct3JIbgopac=",
       "dev": true
     },
+    "hasha": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/hasha/-/hasha-3.0.0.tgz",
+      "integrity": "sha1-UqMvq4Vp1BymmmH/GiFPjrfIvTk=",
+      "dev": true,
+      "requires": {
+        "is-stream": "^1.0.1"
+      }
+    },
     "hosted-git-info": {
       "version": "2.7.1",
       "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.7.1.tgz",
@@ -5225,15 +5419,24 @@
       "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo="
     },
     "istanbul-lib-coverage": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/istanbul-lib-coverage/-/istanbul-lib-coverage-2.0.1.tgz",
-      "integrity": "sha512-nPvSZsVlbG9aLhZYaC3Oi1gT/tpyo3Yt5fNyf6NmcKIayz4VV/txxJFFKAK/gU4dcNn8ehsanBbVHVl0+amOLA==",
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/istanbul-lib-coverage/-/istanbul-lib-coverage-2.0.4.tgz",
+      "integrity": "sha512-LXTBICkMARVgo579kWDm8SqfB6nvSDKNqIOBEjmJRnL04JvoMHCYGWaMddQnseJYtkEuEvO/sIcOxPLk9gERug==",
       "dev": true
     },
+    "istanbul-lib-hook": {
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/istanbul-lib-hook/-/istanbul-lib-hook-2.0.6.tgz",
+      "integrity": "sha512-829DKONApZ7UCiPXcOYWSgkFXa4+vNYoNOt3F+4uDJLKL1OotAoVwvThoEj1i8jmOj7odbYcR3rnaHu+QroaXg==",
+      "dev": true,
+      "requires": {
+        "append-transform": "^1.0.0"
+      }
+    },
     "istanbul-lib-instrument": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/istanbul-lib-instrument/-/istanbul-lib-instrument-3.0.0.tgz",
-      "integrity": "sha512-eQY9vN9elYjdgN9Iv6NS/00bptm02EBBk70lRMaVjeA6QYocQgenVrSgC28TJurdnZa80AGO3ASdFN+w/njGiQ==",
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/istanbul-lib-instrument/-/istanbul-lib-instrument-3.2.0.tgz",
+      "integrity": "sha512-06IM3xShbNW4NgZv5AP4QH0oHqf1/ivFo8eFys0ZjPXHGldHJQWb3riYOKXqmOqfxXBfxu4B+g/iuhOPZH0RJg==",
       "dev": true,
       "requires": {
         "@babel/generator": "^7.0.0",
@@ -5241,8 +5444,109 @@
         "@babel/template": "^7.0.0",
         "@babel/traverse": "^7.0.0",
         "@babel/types": "^7.0.0",
-        "istanbul-lib-coverage": "^2.0.1",
-        "semver": "^5.5.0"
+        "istanbul-lib-coverage": "^2.0.4",
+        "semver": "^6.0.0"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "6.0.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.0.0.tgz",
+          "integrity": "sha512-0UewU+9rFapKFnlbirLi3byoOuhrSsli/z/ihNnvM24vgF+8sNBiI1LZPBSH9wJKUwaUbw+s3hToDLCXkrghrQ==",
+          "dev": true
+        }
+      }
+    },
+    "istanbul-lib-report": {
+      "version": "2.0.7",
+      "resolved": "https://registry.npmjs.org/istanbul-lib-report/-/istanbul-lib-report-2.0.7.tgz",
+      "integrity": "sha512-wLH6beJBFbRBLiTlMOBxmb85cnVM1Vyl36N48e4e/aTKSM3WbOx7zbVIH1SQ537fhhsPbX0/C5JB4qsmyRXXyA==",
+      "dev": true,
+      "requires": {
+        "istanbul-lib-coverage": "^2.0.4",
+        "make-dir": "^2.1.0",
+        "supports-color": "^6.0.0"
+      },
+      "dependencies": {
+        "make-dir": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-2.1.0.tgz",
+          "integrity": "sha512-LS9X+dc8KLxXCb8dni79fLIIUA5VyZoyjSMCwTluaXA0o27cCK0bhXkpgw+sTXVpPy/lSO57ilRixqk0vDmtRA==",
+          "dev": true,
+          "requires": {
+            "pify": "^4.0.1",
+            "semver": "^5.6.0"
+          }
+        },
+        "pify": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-4.0.1.tgz",
+          "integrity": "sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g==",
+          "dev": true
+        },
+        "supports-color": {
+          "version": "6.1.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-6.1.0.tgz",
+          "integrity": "sha512-qe1jfm1Mg7Nq/NSh6XE24gPXROEVsWHxC1LIx//XNlD9iw7YZQGjZNjYN7xGaEG6iKdA8EtNFW6R0gjnVXp+wQ==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        }
+      }
+    },
+    "istanbul-lib-source-maps": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/istanbul-lib-source-maps/-/istanbul-lib-source-maps-3.0.5.tgz",
+      "integrity": "sha512-eDhZ7r6r1d1zQPVZehLc3D0K14vRba/eBYkz3rw16DLOrrTzve9RmnkcwrrkWVgO1FL3EK5knujVe5S8QHE9xw==",
+      "dev": true,
+      "requires": {
+        "debug": "^4.1.1",
+        "istanbul-lib-coverage": "^2.0.4",
+        "make-dir": "^2.1.0",
+        "rimraf": "^2.6.2",
+        "source-map": "^0.6.1"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "dev": true,
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "make-dir": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-2.1.0.tgz",
+          "integrity": "sha512-LS9X+dc8KLxXCb8dni79fLIIUA5VyZoyjSMCwTluaXA0o27cCK0bhXkpgw+sTXVpPy/lSO57ilRixqk0vDmtRA==",
+          "dev": true,
+          "requires": {
+            "pify": "^4.0.1",
+            "semver": "^5.6.0"
+          }
+        },
+        "pify": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-4.0.1.tgz",
+          "integrity": "sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g==",
+          "dev": true
+        },
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        }
+      }
+    },
+    "istanbul-reports": {
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/istanbul-reports/-/istanbul-reports-2.2.2.tgz",
+      "integrity": "sha512-ZFuTdBQ3PSaPnm02aEA4R6mzQ2AF9w03CYiXADzWbbE48v/EFOWF4MaX4FT0NRdqIk48I7o0RPi+S8TMswaCbQ==",
+      "dev": true,
+      "requires": {
+        "handlebars": "^4.1.0"
       }
     },
     "jest-docblock": {
@@ -5763,6 +6067,23 @@
         "yargs-parser": "^10.0.0"
       }
     },
+    "merge-source-map": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/merge-source-map/-/merge-source-map-1.1.0.tgz",
+      "integrity": "sha512-Qkcp7P2ygktpMPh2mCQZaf3jhN6D3Z/qVZHSdWvQ+2Ef5HgRAPBO57A77+ENm0CPx2+1Ce/MYKi3ymqdfuqibw==",
+      "dev": true,
+      "requires": {
+        "source-map": "^0.6.1"
+      },
+      "dependencies": {
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        }
+      }
+    },
     "merge2": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/merge2/-/merge2-1.2.3.tgz",
@@ -5932,6 +6253,12 @@
       "integrity": "sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc=",
       "dev": true
     },
+    "nested-error-stacks": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/nested-error-stacks/-/nested-error-stacks-2.1.0.tgz",
+      "integrity": "sha512-AO81vsIO1k1sM4Zrd6Hu7regmJN1NSiAja10gc4bX3F0wd+9rQmcuHQaHVQCYIEC8iFXnE+mavh23GOt7wBgug==",
+      "dev": true
+    },
     "nice-try": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.5.tgz",
@@ -5994,1145 +6321,145 @@
       "integrity": "sha512-3iuY4N5dhgMpCUrOVnuAdGrgxVqV2cJpM+XNccjR2DKOB1RUP0aA+wGXEiNziG/UKboFyGBIoKOaNlJxx8bciQ=="
     },
     "nyc": {
-      "version": "13.1.0",
-      "resolved": "https://registry.npmjs.org/nyc/-/nyc-13.1.0.tgz",
-      "integrity": "sha512-3GyY6TpQ58z9Frpv4GMExE1SV2tAgYqC7HSy2omEhNiCT3mhT9NyiOvIE8zkbuJVFzmvvNTnE4h/7/wQae7xLg==",
+      "version": "14.0.0",
+      "resolved": "https://registry.npmjs.org/nyc/-/nyc-14.0.0.tgz",
+      "integrity": "sha512-R1zC6UZak6pzn5BZQorkSH5GdOGafrwyeja+eimS5Tu+KJ/hCgBc8qA1QWSzxQmT2FDl2lbpqPw7tBDbSvhAHg==",
       "dev": true,
       "requires": {
         "archy": "^1.0.0",
-        "arrify": "^1.0.1",
-        "caching-transform": "^2.0.0",
+        "caching-transform": "^3.0.2",
         "convert-source-map": "^1.6.0",
-        "debug-log": "^1.0.1",
-        "find-cache-dir": "^2.0.0",
+        "cp-file": "^6.2.0",
+        "find-cache-dir": "^2.1.0",
         "find-up": "^3.0.0",
         "foreground-child": "^1.5.6",
         "glob": "^7.1.3",
-        "istanbul-lib-coverage": "^2.0.1",
-        "istanbul-lib-hook": "^2.0.1",
-        "istanbul-lib-instrument": "^3.0.0",
-        "istanbul-lib-report": "^2.0.2",
-        "istanbul-lib-source-maps": "^2.0.1",
-        "istanbul-reports": "^2.0.1",
-        "make-dir": "^1.3.0",
+        "istanbul-lib-coverage": "^2.0.4",
+        "istanbul-lib-hook": "^2.0.6",
+        "istanbul-lib-instrument": "^3.2.0",
+        "istanbul-lib-report": "^2.0.7",
+        "istanbul-lib-source-maps": "^3.0.5",
+        "istanbul-reports": "^2.2.2",
+        "make-dir": "^2.1.0",
         "merge-source-map": "^1.1.0",
         "resolve-from": "^4.0.0",
-        "rimraf": "^2.6.2",
+        "rimraf": "^2.6.3",
         "signal-exit": "^3.0.2",
         "spawn-wrap": "^1.4.2",
-        "test-exclude": "^5.0.0",
+        "test-exclude": "^5.2.2",
         "uuid": "^3.3.2",
-        "yargs": "11.1.0",
-        "yargs-parser": "^9.0.2"
+        "yargs": "^13.2.2",
+        "yargs-parser": "^13.0.0"
       },
       "dependencies": {
-        "align-text": {
-          "version": "0.1.4",
-          "bundled": true,
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "kind-of": "^3.0.2",
-            "longest": "^1.0.1",
-            "repeat-string": "^1.5.2"
-          }
+        "ansi-regex": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
+          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
+          "dev": true
         },
-        "amdefine": {
-          "version": "1.0.1",
-          "bundled": true,
+        "camelcase": {
+          "version": "5.3.1",
+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.3.1.tgz",
+          "integrity": "sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==",
           "dev": true
         },
-        "ansi-regex": {
-          "version": "3.0.0",
-          "bundled": true,
+        "get-caller-file": {
+          "version": "2.0.5",
+          "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-2.0.5.tgz",
+          "integrity": "sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==",
           "dev": true
         },
-        "append-transform": {
-          "version": "1.0.0",
-          "bundled": true,
+        "make-dir": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-2.1.0.tgz",
+          "integrity": "sha512-LS9X+dc8KLxXCb8dni79fLIIUA5VyZoyjSMCwTluaXA0o27cCK0bhXkpgw+sTXVpPy/lSO57ilRixqk0vDmtRA==",
           "dev": true,
           "requires": {
-            "default-require-extensions": "^2.0.0"
+            "pify": "^4.0.1",
+            "semver": "^5.6.0"
           }
         },
-        "archy": {
-          "version": "1.0.0",
-          "bundled": true,
+        "pify": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-4.0.1.tgz",
+          "integrity": "sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g==",
           "dev": true
         },
-        "arrify": {
-          "version": "1.0.1",
-          "bundled": true,
+        "require-main-filename": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-2.0.0.tgz",
+          "integrity": "sha512-NKN5kMDylKuldxYLSUfrbo5Tuzh4hd+2E8NPPX02mZtn1VuREQToYe/ZdlJy+J3uCpfaiGF05e7B8W0iXbQHmg==",
           "dev": true
         },
-        "async": {
-          "version": "1.5.2",
-          "bundled": true,
-          "dev": true
-        },
-        "balanced-match": {
-          "version": "1.0.0",
-          "bundled": true,
-          "dev": true
-        },
-        "brace-expansion": {
-          "version": "1.1.11",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "balanced-match": "^1.0.0",
-            "concat-map": "0.0.1"
-          }
-        },
-        "builtin-modules": {
-          "version": "1.1.1",
-          "bundled": true,
-          "dev": true
-        },
-        "caching-transform": {
-          "version": "2.0.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "make-dir": "^1.0.0",
-            "md5-hex": "^2.0.0",
-            "package-hash": "^2.0.0",
-            "write-file-atomic": "^2.0.0"
-          }
-        },
-        "camelcase": {
-          "version": "1.2.1",
-          "bundled": true,
-          "dev": true,
-          "optional": true
-        },
-        "center-align": {
-          "version": "0.1.3",
-          "bundled": true,
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "align-text": "^0.1.3",
-            "lazy-cache": "^1.0.3"
-          }
-        },
-        "cliui": {
-          "version": "2.1.0",
-          "bundled": true,
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "center-align": "^0.1.1",
-            "right-align": "^0.1.1",
-            "wordwrap": "0.0.2"
-          },
-          "dependencies": {
-            "wordwrap": {
-              "version": "0.0.2",
-              "bundled": true,
-              "dev": true,
-              "optional": true
-            }
-          }
-        },
-        "code-point-at": {
-          "version": "1.1.0",
-          "bundled": true,
-          "dev": true
-        },
-        "commondir": {
-          "version": "1.0.1",
-          "bundled": true,
-          "dev": true
-        },
-        "concat-map": {
-          "version": "0.0.1",
-          "bundled": true,
-          "dev": true
-        },
-        "convert-source-map": {
-          "version": "1.6.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "safe-buffer": "~5.1.1"
-          }
-        },
-        "cross-spawn": {
-          "version": "4.0.2",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "lru-cache": "^4.0.1",
-            "which": "^1.2.9"
-          }
-        },
-        "debug": {
-          "version": "3.1.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "ms": "2.0.0"
-          }
-        },
-        "debug-log": {
-          "version": "1.0.1",
-          "bundled": true,
-          "dev": true
-        },
-        "decamelize": {
-          "version": "1.2.0",
-          "bundled": true,
-          "dev": true
-        },
-        "default-require-extensions": {
-          "version": "2.0.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "strip-bom": "^3.0.0"
-          }
-        },
-        "error-ex": {
-          "version": "1.3.2",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "is-arrayish": "^0.2.1"
-          }
-        },
-        "es6-error": {
-          "version": "4.1.1",
-          "bundled": true,
-          "dev": true
-        },
-        "execa": {
-          "version": "0.7.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "cross-spawn": "^5.0.1",
-            "get-stream": "^3.0.0",
-            "is-stream": "^1.1.0",
-            "npm-run-path": "^2.0.0",
-            "p-finally": "^1.0.0",
-            "signal-exit": "^3.0.0",
-            "strip-eof": "^1.0.0"
-          },
-          "dependencies": {
-            "cross-spawn": {
-              "version": "5.1.0",
-              "bundled": true,
-              "dev": true,
-              "requires": {
-                "lru-cache": "^4.0.1",
-                "shebang-command": "^1.2.0",
-                "which": "^1.2.9"
-              }
-            }
-          }
-        },
-        "find-cache-dir": {
-          "version": "2.0.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "commondir": "^1.0.1",
-            "make-dir": "^1.0.0",
-            "pkg-dir": "^3.0.0"
-          }
-        },
-        "find-up": {
-          "version": "3.0.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "locate-path": "^3.0.0"
-          }
-        },
-        "foreground-child": {
-          "version": "1.5.6",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "cross-spawn": "^4",
-            "signal-exit": "^3.0.0"
-          }
-        },
-        "fs.realpath": {
-          "version": "1.0.0",
-          "bundled": true,
-          "dev": true
-        },
-        "get-caller-file": {
-          "version": "1.0.3",
-          "bundled": true,
-          "dev": true
-        },
-        "get-stream": {
-          "version": "3.0.0",
-          "bundled": true,
-          "dev": true
-        },
-        "glob": {
-          "version": "7.1.3",
-          "bundled": true,
-          "dev": 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"
-          }
-        },
-        "graceful-fs": {
-          "version": "4.1.11",
-          "bundled": true,
-          "dev": true
-        },
-        "handlebars": {
-          "version": "4.0.11",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "async": "^1.4.0",
-            "optimist": "^0.6.1",
-            "source-map": "^0.4.4",
-            "uglify-js": "^2.6"
-          },
-          "dependencies": {
-            "source-map": {
-              "version": "0.4.4",
-              "bundled": true,
-              "dev": true,
-              "requires": {
-                "amdefine": ">=0.0.4"
-              }
-            }
-          }
-        },
-        "has-flag": {
-          "version": "3.0.0",
-          "bundled": true,
-          "dev": true
-        },
-        "hosted-git-info": {
-          "version": "2.7.1",
-          "bundled": true,
-          "dev": true
-        },
-        "imurmurhash": {
-          "version": "0.1.4",
-          "bundled": true,
-          "dev": true
-        },
-        "inflight": {
-          "version": "1.0.6",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "once": "^1.3.0",
-            "wrappy": "1"
-          }
-        },
-        "inherits": {
-          "version": "2.0.3",
-          "bundled": true,
-          "dev": true
-        },
-        "invert-kv": {
-          "version": "1.0.0",
-          "bundled": true,
-          "dev": true
-        },
-        "is-arrayish": {
-          "version": "0.2.1",
-          "bundled": true,
-          "dev": true
-        },
-        "is-buffer": {
-          "version": "1.1.6",
-          "bundled": true,
-          "dev": true,
-          "optional": true
-        },
-        "is-builtin-module": {
-          "version": "1.0.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "builtin-modules": "^1.0.0"
-          }
-        },
-        "is-fullwidth-code-point": {
-          "version": "2.0.0",
-          "bundled": true,
-          "dev": true
-        },
-        "is-stream": {
-          "version": "1.1.0",
-          "bundled": true,
-          "dev": true
-        },
-        "isexe": {
-          "version": "2.0.0",
-          "bundled": true,
-          "dev": true
-        },
-        "istanbul-lib-coverage": {
-          "version": "2.0.1",
-          "bundled": true,
-          "dev": true
-        },
-        "istanbul-lib-hook": {
-          "version": "2.0.1",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "append-transform": "^1.0.0"
-          }
-        },
-        "istanbul-lib-report": {
-          "version": "2.0.2",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "istanbul-lib-coverage": "^2.0.1",
-            "make-dir": "^1.3.0",
-            "supports-color": "^5.4.0"
-          }
-        },
-        "istanbul-lib-source-maps": {
-          "version": "2.0.1",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "debug": "^3.1.0",
-            "istanbul-lib-coverage": "^2.0.1",
-            "make-dir": "^1.3.0",
-            "rimraf": "^2.6.2",
-            "source-map": "^0.6.1"
-          },
-          "dependencies": {
-            "source-map": {
-              "version": "0.6.1",
-              "bundled": true,
-              "dev": true
-            }
-          }
-        },
-        "istanbul-reports": {
-          "version": "2.0.1",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "handlebars": "^4.0.11"
-          }
-        },
-        "json-parse-better-errors": {
-          "version": "1.0.2",
-          "bundled": true,
-          "dev": true
-        },
-        "kind-of": {
-          "version": "3.2.2",
-          "bundled": true,
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "is-buffer": "^1.1.5"
-          }
-        },
-        "lazy-cache": {
-          "version": "1.0.4",
-          "bundled": true,
-          "dev": true,
-          "optional": true
-        },
-        "lcid": {
-          "version": "1.0.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "invert-kv": "^1.0.0"
-          }
-        },
-        "load-json-file": {
-          "version": "4.0.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.1.2",
-            "parse-json": "^4.0.0",
-            "pify": "^3.0.0",
-            "strip-bom": "^3.0.0"
-          }
-        },
-        "locate-path": {
-          "version": "3.0.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "p-locate": "^3.0.0",
-            "path-exists": "^3.0.0"
-          }
-        },
-        "lodash.flattendeep": {
-          "version": "4.4.0",
-          "bundled": true,
-          "dev": true
-        },
-        "longest": {
-          "version": "1.0.1",
-          "bundled": true,
-          "dev": true,
-          "optional": true
-        },
-        "lru-cache": {
-          "version": "4.1.3",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "pseudomap": "^1.0.2",
-            "yallist": "^2.1.2"
-          }
-        },
-        "make-dir": {
-          "version": "1.3.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "pify": "^3.0.0"
-          }
-        },
-        "md5-hex": {
-          "version": "2.0.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "md5-o-matic": "^0.1.1"
-          }
-        },
-        "md5-o-matic": {
-          "version": "0.1.1",
-          "bundled": true,
-          "dev": true
-        },
-        "mem": {
-          "version": "1.1.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "mimic-fn": "^1.0.0"
-          }
-        },
-        "merge-source-map": {
-          "version": "1.1.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "source-map": "^0.6.1"
-          },
-          "dependencies": {
-            "source-map": {
-              "version": "0.6.1",
-              "bundled": true,
-              "dev": true
-            }
-          }
-        },
-        "mimic-fn": {
-          "version": "1.2.0",
-          "bundled": true,
-          "dev": true
-        },
-        "minimatch": {
-          "version": "3.0.4",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "brace-expansion": "^1.1.7"
-          }
-        },
-        "minimist": {
-          "version": "0.0.10",
-          "bundled": true,
-          "dev": true
-        },
-        "mkdirp": {
-          "version": "0.5.1",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "minimist": "0.0.8"
-          },
-          "dependencies": {
-            "minimist": {
-              "version": "0.0.8",
-              "bundled": true,
-              "dev": true
-            }
-          }
-        },
-        "ms": {
-          "version": "2.0.0",
-          "bundled": true,
-          "dev": true
-        },
-        "normalize-package-data": {
-          "version": "2.4.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "hosted-git-info": "^2.1.4",
-            "is-builtin-module": "^1.0.0",
-            "semver": "2 || 3 || 4 || 5",
-            "validate-npm-package-license": "^3.0.1"
-          }
-        },
-        "npm-run-path": {
-          "version": "2.0.2",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "path-key": "^2.0.0"
-          }
-        },
-        "number-is-nan": {
-          "version": "1.0.1",
-          "bundled": true,
-          "dev": true
-        },
-        "once": {
-          "version": "1.4.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "wrappy": "1"
-          }
-        },
-        "optimist": {
-          "version": "0.6.1",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "minimist": "~0.0.1",
-            "wordwrap": "~0.0.2"
-          }
-        },
-        "os-homedir": {
-          "version": "1.0.2",
-          "bundled": true,
-          "dev": true
-        },
-        "os-locale": {
-          "version": "2.1.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "execa": "^0.7.0",
-            "lcid": "^1.0.0",
-            "mem": "^1.1.0"
-          }
-        },
-        "p-finally": {
-          "version": "1.0.0",
-          "bundled": true,
-          "dev": true
-        },
-        "p-limit": {
-          "version": "2.0.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "p-try": "^2.0.0"
-          }
-        },
-        "p-locate": {
-          "version": "3.0.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "p-limit": "^2.0.0"
-          }
-        },
-        "p-try": {
-          "version": "2.0.0",
-          "bundled": true,
-          "dev": true
-        },
-        "package-hash": {
-          "version": "2.0.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.1.11",
-            "lodash.flattendeep": "^4.4.0",
-            "md5-hex": "^2.0.0",
-            "release-zalgo": "^1.0.0"
-          }
-        },
-        "parse-json": {
-          "version": "4.0.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "error-ex": "^1.3.1",
-            "json-parse-better-errors": "^1.0.1"
-          }
-        },
-        "path-exists": {
-          "version": "3.0.0",
-          "bundled": true,
-          "dev": true
-        },
-        "path-is-absolute": {
-          "version": "1.0.1",
-          "bundled": true,
-          "dev": true
-        },
-        "path-key": {
-          "version": "2.0.1",
-          "bundled": true,
-          "dev": true
-        },
-        "path-type": {
-          "version": "3.0.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "pify": "^3.0.0"
-          }
-        },
-        "pify": {
-          "version": "3.0.0",
-          "bundled": true,
-          "dev": true
-        },
-        "pkg-dir": {
-          "version": "3.0.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "find-up": "^3.0.0"
-          }
-        },
-        "pseudomap": {
-          "version": "1.0.2",
-          "bundled": true,
-          "dev": true
-        },
-        "read-pkg": {
-          "version": "3.0.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "load-json-file": "^4.0.0",
-            "normalize-package-data": "^2.3.2",
-            "path-type": "^3.0.0"
-          }
-        },
-        "read-pkg-up": {
-          "version": "4.0.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "find-up": "^3.0.0",
-            "read-pkg": "^3.0.0"
-          }
-        },
-        "release-zalgo": {
-          "version": "1.0.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "es6-error": "^4.0.1"
-          }
-        },
-        "repeat-string": {
-          "version": "1.6.1",
-          "bundled": true,
-          "dev": true,
-          "optional": true
-        },
-        "require-directory": {
-          "version": "2.1.1",
-          "bundled": true,
-          "dev": true
-        },
-        "require-main-filename": {
-          "version": "1.0.1",
-          "bundled": true,
-          "dev": true
-        },
-        "resolve-from": {
-          "version": "4.0.0",
-          "bundled": true,
-          "dev": true
-        },
-        "right-align": {
-          "version": "0.1.3",
-          "bundled": true,
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "align-text": "^0.1.1"
-          }
-        },
-        "rimraf": {
-          "version": "2.6.2",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "glob": "^7.0.5"
-          }
-        },
-        "safe-buffer": {
-          "version": "5.1.2",
-          "bundled": true,
-          "dev": true
-        },
-        "semver": {
-          "version": "5.5.0",
-          "bundled": true,
-          "dev": true
-        },
-        "set-blocking": {
-          "version": "2.0.0",
-          "bundled": true,
-          "dev": true
-        },
-        "shebang-command": {
-          "version": "1.2.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "shebang-regex": "^1.0.0"
-          }
-        },
-        "shebang-regex": {
-          "version": "1.0.0",
-          "bundled": true,
-          "dev": true
-        },
-        "signal-exit": {
-          "version": "3.0.2",
-          "bundled": true,
-          "dev": true
-        },
-        "source-map": {
-          "version": "0.5.7",
-          "bundled": true,
-          "dev": true,
-          "optional": true
-        },
-        "spawn-wrap": {
-          "version": "1.4.2",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "foreground-child": "^1.5.6",
-            "mkdirp": "^0.5.0",
-            "os-homedir": "^1.0.1",
-            "rimraf": "^2.6.2",
-            "signal-exit": "^3.0.2",
-            "which": "^1.3.0"
-          }
-        },
-        "spdx-correct": {
-          "version": "3.0.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "spdx-expression-parse": "^3.0.0",
-            "spdx-license-ids": "^3.0.0"
-          }
-        },
-        "spdx-exceptions": {
-          "version": "2.1.0",
-          "bundled": true,
+        "resolve-from": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-4.0.0.tgz",
+          "integrity": "sha512-pb/MYmXstAkysRFx8piNI1tGFNQIFA3vkE3Gq4EuA1dF6gHp/+vgZqsCGJapvy8N3Q+4o7FwvquPJcnZ7RYy4g==",
           "dev": true
         },
-        "spdx-expression-parse": {
-          "version": "3.0.0",
-          "bundled": true,
+        "rimraf": {
+          "version": "2.6.3",
+          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.3.tgz",
+          "integrity": "sha512-mwqeW5XsA2qAejG46gYdENaxXjx9onRNCfn7L0duuP4hCuTIi/QO7PDK07KJfp1d+izWPrzEJDcSqBa0OZQriA==",
           "dev": true,
           "requires": {
-            "spdx-exceptions": "^2.1.0",
-            "spdx-license-ids": "^3.0.0"
+            "glob": "^7.1.3"
           }
         },
-        "spdx-license-ids": {
-          "version": "3.0.0",
-          "bundled": true,
-          "dev": true
-        },
         "string-width": {
-          "version": "2.1.1",
-          "bundled": true,
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
           "dev": true,
           "requires": {
+            "emoji-regex": "^7.0.1",
             "is-fullwidth-code-point": "^2.0.0",
-            "strip-ansi": "^4.0.0"
+            "strip-ansi": "^5.1.0"
           }
         },
         "strip-ansi": {
-          "version": "4.0.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "ansi-regex": "^3.0.0"
-          }
-        },
-        "strip-bom": {
-          "version": "3.0.0",
-          "bundled": true,
-          "dev": true
-        },
-        "strip-eof": {
-          "version": "1.0.0",
-          "bundled": true,
-          "dev": true
-        },
-        "supports-color": {
-          "version": "5.4.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "has-flag": "^3.0.0"
-          }
-        },
-        "test-exclude": {
-          "version": "5.0.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "arrify": "^1.0.1",
-            "minimatch": "^3.0.4",
-            "read-pkg-up": "^4.0.0",
-            "require-main-filename": "^1.0.1"
-          }
-        },
-        "uglify-js": {
-          "version": "2.8.29",
-          "bundled": true,
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "source-map": "~0.5.1",
-            "uglify-to-browserify": "~1.0.0",
-            "yargs": "~3.10.0"
-          },
-          "dependencies": {
-            "yargs": {
-              "version": "3.10.0",
-              "bundled": true,
-              "dev": true,
-              "optional": true,
-              "requires": {
-                "camelcase": "^1.0.2",
-                "cliui": "^2.1.0",
-                "decamelize": "^1.0.0",
-                "window-size": "0.1.0"
-              }
-            }
-          }
-        },
-        "uglify-to-browserify": {
-          "version": "1.0.2",
-          "bundled": true,
-          "dev": true,
-          "optional": true
-        },
-        "uuid": {
-          "version": "3.3.2",
-          "bundled": true,
-          "dev": true
-        },
-        "validate-npm-package-license": {
-          "version": "3.0.3",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "spdx-correct": "^3.0.0",
-            "spdx-expression-parse": "^3.0.0"
-          }
-        },
-        "which": {
-          "version": "1.3.1",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "isexe": "^2.0.0"
-          }
-        },
-        "which-module": {
-          "version": "2.0.0",
-          "bundled": true,
-          "dev": true
-        },
-        "window-size": {
-          "version": "0.1.0",
-          "bundled": true,
-          "dev": true,
-          "optional": true
-        },
-        "wordwrap": {
-          "version": "0.0.3",
-          "bundled": true,
-          "dev": true
-        },
-        "wrap-ansi": {
-          "version": "2.1.0",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "string-width": "^1.0.1",
-            "strip-ansi": "^3.0.1"
-          },
-          "dependencies": {
-            "ansi-regex": {
-              "version": "2.1.1",
-              "bundled": true,
-              "dev": true
-            },
-            "is-fullwidth-code-point": {
-              "version": "1.0.0",
-              "bundled": true,
-              "dev": true,
-              "requires": {
-                "number-is-nan": "^1.0.0"
-              }
-            },
-            "string-width": {
-              "version": "1.0.2",
-              "bundled": true,
-              "dev": true,
-              "requires": {
-                "code-point-at": "^1.0.0",
-                "is-fullwidth-code-point": "^1.0.0",
-                "strip-ansi": "^3.0.0"
-              }
-            },
-            "strip-ansi": {
-              "version": "3.0.1",
-              "bundled": true,
-              "dev": true,
-              "requires": {
-                "ansi-regex": "^2.0.0"
-              }
-            }
-          }
-        },
-        "wrappy": {
-          "version": "1.0.2",
-          "bundled": true,
-          "dev": true
-        },
-        "write-file-atomic": {
-          "version": "2.3.0",
-          "bundled": true,
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+          "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
           "dev": true,
           "requires": {
-            "graceful-fs": "^4.1.11",
-            "imurmurhash": "^0.1.4",
-            "signal-exit": "^3.0.2"
+            "ansi-regex": "^4.1.0"
           }
         },
         "y18n": {
-          "version": "3.2.1",
-          "bundled": true,
-          "dev": true
-        },
-        "yallist": {
-          "version": "2.1.2",
-          "bundled": true,
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
+          "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
           "dev": true
         },
         "yargs": {
-          "version": "11.1.0",
-          "bundled": true,
+          "version": "13.2.2",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.2.2.tgz",
+          "integrity": "sha512-WyEoxgyTD3w5XRpAQNYUB9ycVH/PQrToaTXdYXRdOXvEy1l19br+VJsc0vcO8PTGg5ro/l/GY7F/JMEBmI0BxA==",
           "dev": true,
           "requires": {
             "cliui": "^4.0.0",
-            "decamelize": "^1.1.1",
-            "find-up": "^2.1.0",
-            "get-caller-file": "^1.0.1",
-            "os-locale": "^2.0.0",
+            "find-up": "^3.0.0",
+            "get-caller-file": "^2.0.1",
+            "os-locale": "^3.1.0",
             "require-directory": "^2.1.1",
-            "require-main-filename": "^1.0.1",
+            "require-main-filename": "^2.0.0",
             "set-blocking": "^2.0.0",
-            "string-width": "^2.0.0",
+            "string-width": "^3.0.0",
             "which-module": "^2.0.0",
-            "y18n": "^3.2.1",
-            "yargs-parser": "^9.0.2"
-          },
-          "dependencies": {
-            "cliui": {
-              "version": "4.1.0",
-              "bundled": true,
-              "dev": true,
-              "requires": {
-                "string-width": "^2.1.1",
-                "strip-ansi": "^4.0.0",
-                "wrap-ansi": "^2.0.0"
-              }
-            },
-            "find-up": {
-              "version": "2.1.0",
-              "bundled": true,
-              "dev": true,
-              "requires": {
-                "locate-path": "^2.0.0"
-              }
-            },
-            "locate-path": {
-              "version": "2.0.0",
-              "bundled": true,
-              "dev": true,
-              "requires": {
-                "p-locate": "^2.0.0",
-                "path-exists": "^3.0.0"
-              }
-            },
-            "p-limit": {
-              "version": "1.3.0",
-              "bundled": true,
-              "dev": true,
-              "requires": {
-                "p-try": "^1.0.0"
-              }
-            },
-            "p-locate": {
-              "version": "2.0.0",
-              "bundled": true,
-              "dev": true,
-              "requires": {
-                "p-limit": "^1.1.0"
-              }
-            },
-            "p-try": {
-              "version": "1.0.0",
-              "bundled": true,
-              "dev": true
-            }
+            "y18n": "^4.0.0",
+            "yargs-parser": "^13.0.0"
           }
         },
         "yargs-parser": {
-          "version": "9.0.2",
-          "bundled": true,
+          "version": "13.0.0",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.0.0.tgz",
+          "integrity": "sha512-w2LXjoL8oRdRQN+hOyppuXs+V/fVAYtpcrRxZuF7Kt/Oc+Jr2uAcVntaUTNT6w5ihoWfFDpNY8CPx1QskxZ/pw==",
           "dev": true,
           "requires": {
-            "camelcase": "^4.1.0"
-          },
-          "dependencies": {
-            "camelcase": {
-              "version": "4.1.0",
-              "bundled": true,
-              "dev": true
-            }
+            "camelcase": "^5.0.0",
+            "decamelize": "^1.2.0"
           }
         }
       }
@@ -7331,6 +6658,12 @@
         }
       }
     },
+    "os-homedir": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/os-homedir/-/os-homedir-1.0.2.tgz",
+      "integrity": "sha1-/7xJiDNuDoM94MFox+8VISGqf7M=",
+      "dev": true
+    },
     "os-locale": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-3.1.0.tgz",
@@ -8653,6 +7986,20 @@
       "integrity": "sha1-PpNdfd1zYxuXZZlW1VEo6HtQhKM=",
       "dev": true
     },
+    "spawn-wrap": {
+      "version": "1.4.2",
+      "resolved": "https://registry.npmjs.org/spawn-wrap/-/spawn-wrap-1.4.2.tgz",
+      "integrity": "sha512-vMwR3OmmDhnxCVxM8M+xO/FtIp6Ju/mNaDfCMMW7FDcLRTPFWUswec4LXJHTJE2hwTI9O0YBfygu4DalFl7Ylg==",
+      "dev": true,
+      "requires": {
+        "foreground-child": "^1.5.6",
+        "mkdirp": "^0.5.0",
+        "os-homedir": "^1.0.1",
+        "rimraf": "^2.6.2",
+        "signal-exit": "^3.0.2",
+        "which": "^1.3.0"
+      }
+    },
     "spdx-correct": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.0.2.tgz",
@@ -8931,6 +8278,36 @@
         "execa": "^0.7.0"
       }
     },
+    "test-exclude": {
+      "version": "5.2.2",
+      "resolved": "https://registry.npmjs.org/test-exclude/-/test-exclude-5.2.2.tgz",
+      "integrity": "sha512-N2pvaLpT8guUpb5Fe1GJlmvmzH3x+DAKmmyEQmFP792QcLYoGE1syxztSvPD1V8yPe6VrcCt6YGQVjSRjCASsA==",
+      "dev": true,
+      "requires": {
+        "glob": "^7.1.3",
+        "minimatch": "^3.0.4",
+        "read-pkg-up": "^4.0.0",
+        "require-main-filename": "^2.0.0"
+      },
+      "dependencies": {
+        "read-pkg-up": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-4.0.0.tgz",
+          "integrity": "sha512-6etQSH7nJGsK0RbG/2TeDzZFa8shjQ1um+SwQQ5cwKy0dhSXdOncEhb1CPpvQG4h7FyOV6EB6YlV0yJvZQNAkA==",
+          "dev": true,
+          "requires": {
+            "find-up": "^3.0.0",
+            "read-pkg": "^3.0.0"
+          }
+        },
+        "require-main-filename": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-2.0.0.tgz",
+          "integrity": "sha512-NKN5kMDylKuldxYLSUfrbo5Tuzh4hd+2E8NPPX02mZtn1VuREQToYe/ZdlJy+J3uCpfaiGF05e7B8W0iXbQHmg==",
+          "dev": true
+        }
+      }
+    },
     "text-extensions": {
       "version": "1.9.0",
       "resolved": "https://registry.npmjs.org/text-extensions/-/text-extensions-1.9.0.tgz",
diff --git a/package.json b/package.json
index 11db152..c671dfe 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "ava": "1.0.1",
     "coveralls": "^3.0.2",
     "husky": "^1.2.0",
-    "nyc": "^13.1.0",
+    "nyc": "^14.0.0",
     "standard-version": "^5.0.0",
     "xo": "^0.23.0"
   },