diff --git a/package-lock.json b/package-lock.json
index 56699d8..dc60acf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,350 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@babel/code-frame": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0.tgz",
+      "integrity": "sha512-OfC2uemaknXr87bdLUkWog7nYuliM9Ij5HUcajsVcMCpQrcLmtxRbVFTIqmcSkSeYRBFBRxs2FiUqFJDLdiebA==",
+      "dev": true,
+      "requires": {
+        "@babel/highlight": "^7.0.0"
+      }
+    },
+    "@babel/core": {
+      "version": "7.0.1",
+      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.0.1.tgz",
+      "integrity": "sha512-7Yy2vRB6KYbhWeIrrwJmKv9UwDxokmlo43wi6AV84oNs4Gi71NTNGh3YxY/hK3+CxuSc6wcKSl25F2tQOhm1GQ==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.0.0",
+        "@babel/generator": "^7.0.0",
+        "@babel/helpers": "^7.0.0",
+        "@babel/parser": "^7.0.0",
+        "@babel/template": "^7.0.0",
+        "@babel/traverse": "^7.0.0",
+        "@babel/types": "^7.0.0",
+        "convert-source-map": "^1.1.0",
+        "debug": "^3.1.0",
+        "json5": "^0.5.0",
+        "lodash": "^4.17.10",
+        "resolve": "^1.3.2",
+        "semver": "^5.4.1",
+        "source-map": "^0.5.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.2.5",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.5.tgz",
+          "integrity": "sha512-D61LaDQPQkxJ5AUM2mbSJRbPkNs/TmdmOeLAi1hgDkpDfIfetSrjmWhccwtuResSwMbACjx/xXQofvM9CE/aeg==",
+          "dev": true,
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "lodash": {
+          "version": "4.17.10",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.10.tgz",
+          "integrity": "sha512-UejweD1pDoXu+AD825lWwp4ZGtSwgnpZxb3JDViD7StjQz+Nb/6l093lx4OQ0foGWNRoc19mWy7BzL+UAK2iVg==",
+          "dev": true
+        },
+        "ms": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
+          "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==",
+          "dev": true
+        },
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "dev": true
+        }
+      }
+    },
+    "@babel/generator": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.0.0.tgz",
+      "integrity": "sha512-/BM2vupkpbZXq22l1ALO7MqXJZH2k8bKVv8Y+pABFnzWdztDB/ZLveP5At21vLz5c2YtSE6p7j2FZEsqafMz5Q==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.0.0",
+        "jsesc": "^2.5.1",
+        "lodash": "^4.17.10",
+        "source-map": "^0.5.0",
+        "trim-right": "^1.0.1"
+      },
+      "dependencies": {
+        "jsesc": {
+          "version": "2.5.1",
+          "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-2.5.1.tgz",
+          "integrity": "sha1-5CGiqOINawgZ3yiQj3glJrlt0f4=",
+          "dev": true
+        },
+        "lodash": {
+          "version": "4.17.10",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.10.tgz",
+          "integrity": "sha512-UejweD1pDoXu+AD825lWwp4ZGtSwgnpZxb3JDViD7StjQz+Nb/6l093lx4OQ0foGWNRoc19mWy7BzL+UAK2iVg==",
+          "dev": true
+        },
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "dev": true
+        }
+      }
+    },
+    "@babel/helper-function-name": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.0.0.tgz",
+      "integrity": "sha512-Zo+LGvfYp4rMtz84BLF3bavFTdf8y4rJtMPTe2J+rxYmnDOIeH8le++VFI/pRJU+rQhjqiXxE4LMaIau28Tv1Q==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-get-function-arity": "^7.0.0",
+        "@babel/template": "^7.0.0",
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helper-get-function-arity": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0.tgz",
+      "integrity": "sha512-r2DbJeg4svYvt3HOS74U4eWKsUAMRH01Z1ds1zx8KNTPtpTL5JAsdFv8BNyOpVqdFhHkkRDIg5B4AsxmkjAlmQ==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helper-split-export-declaration": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.0.0.tgz",
+      "integrity": "sha512-MXkOJqva62dfC0w85mEf/LucPPS/1+04nmmRMPEBUB++hiiThQ2zPtX/mEWQ3mtzCEjIJvPY8nuwxXtQeQwUag==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helpers": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/helpers/-/helpers-7.0.0.tgz",
+      "integrity": "sha512-jbvgR8iLZPnyk6m/UqdXYsSxbVtRi7Pd3CzB4OPwPBnmhNG1DWjiiy777NTuoyIcniszK51R40L5pgfXAfHDtw==",
+      "dev": true,
+      "requires": {
+        "@babel/template": "^7.0.0",
+        "@babel/traverse": "^7.0.0",
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/highlight": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.0.0.tgz",
+      "integrity": "sha512-UFMC4ZeFC48Tpvj7C8UgLvtkaUuovQX+5xNWrsIoMG8o2z+XFKjKaN9iVmS84dPwVN00W4wPmqvYoZF3EGAsfw==",
+      "dev": true,
+      "requires": {
+        "chalk": "^2.0.0",
+        "esutils": "^2.0.2",
+        "js-tokens": "^4.0.0"
+      },
+      "dependencies": {
+        "ansi-styles": {
+          "version": "3.2.1",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+          "dev": true,
+          "requires": {
+            "color-convert": "^1.9.0"
+          }
+        },
+        "chalk": {
+          "version": "2.4.1",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.1.tgz",
+          "integrity": "sha512-ObN6h1v2fTJSmUXoS3nMQ92LbDK9be4TV+6G+omQlGJFdcUX5heKi1LZ1YnRMIgwTLEj3E24bT6tYni50rlCfQ==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "^3.2.1",
+            "escape-string-regexp": "^1.0.5",
+            "supports-color": "^5.3.0"
+          }
+        },
+        "has-flag": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
+          "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
+          "dev": true
+        },
+        "js-tokens": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
+          "integrity": "sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==",
+          "dev": true
+        },
+        "supports-color": {
+          "version": "5.5.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+          "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        }
+      }
+    },
+    "@babel/parser": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.0.0.tgz",
+      "integrity": "sha512-RgJhNdRinpO8zibnoHbzTTexNs4c8ROkXFBanNDZTLHjwbdLk8J5cJSKulx/bycWTLYmKVNCkxRtVCoJnqPk+g==",
+      "dev": true
+    },
+    "@babel/polyfill": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/polyfill/-/polyfill-7.0.0.tgz",
+      "integrity": "sha512-dnrMRkyyr74CRelJwvgnnSUDh2ge2NCTyHVwpOdvRMHtJUyxLtMAfhBN3s64pY41zdw0kgiLPh6S20eb1NcX6Q==",
+      "dev": true,
+      "requires": {
+        "core-js": "^2.5.7",
+        "regenerator-runtime": "^0.11.1"
+      },
+      "dependencies": {
+        "core-js": {
+          "version": "2.5.7",
+          "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.5.7.tgz",
+          "integrity": "sha512-RszJCAxg/PP6uzXVXL6BsxSXx/B05oJAQ2vkJRjyjrEcNVycaqOmNb5OTxZPE3xa5gwZduqza6L9JOCenh/Ecw==",
+          "dev": true
+        }
+      }
+    },
+    "@babel/register": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/register/-/register-7.0.0.tgz",
+      "integrity": "sha512-f/+CRmaCe7rVEvcvPvxeA8j5aJhHC3aJie7YuqcMDhUOuyWLA7J/aNrTaHIzoWPEhpHA54mec4Mm8fv8KBlv3g==",
+      "dev": true,
+      "requires": {
+        "core-js": "^2.5.7",
+        "find-cache-dir": "^1.0.0",
+        "home-or-tmp": "^3.0.0",
+        "lodash": "^4.17.10",
+        "mkdirp": "^0.5.1",
+        "pirates": "^4.0.0",
+        "source-map-support": "^0.5.9"
+      },
+      "dependencies": {
+        "core-js": {
+          "version": "2.5.7",
+          "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.5.7.tgz",
+          "integrity": "sha512-RszJCAxg/PP6uzXVXL6BsxSXx/B05oJAQ2vkJRjyjrEcNVycaqOmNb5OTxZPE3xa5gwZduqza6L9JOCenh/Ecw==",
+          "dev": true
+        },
+        "home-or-tmp": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/home-or-tmp/-/home-or-tmp-3.0.0.tgz",
+          "integrity": "sha1-V6j+JM8zzdUkhgoVgh3cJchmcfs=",
+          "dev": true
+        },
+        "lodash": {
+          "version": "4.17.10",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.10.tgz",
+          "integrity": "sha512-UejweD1pDoXu+AD825lWwp4ZGtSwgnpZxb3JDViD7StjQz+Nb/6l093lx4OQ0foGWNRoc19mWy7BzL+UAK2iVg==",
+          "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
+        },
+        "source-map-support": {
+          "version": "0.5.9",
+          "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.9.tgz",
+          "integrity": "sha512-gR6Rw4MvUlYy83vP0vxoVNzM6t8MUXqNuRsuBmBHQDu1Fh6X015FrLdgoDKcNdkwGubozq0P4N0Q37UyFVr1EA==",
+          "dev": true,
+          "requires": {
+            "buffer-from": "^1.0.0",
+            "source-map": "^0.6.0"
+          }
+        }
+      }
+    },
+    "@babel/template": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.0.0.tgz",
+      "integrity": "sha512-VLQZik/G5mjYJ6u19U3W2u7eM+rA/NGzH+GtHDFFkLTKLW66OasFrxZ/yK7hkyQcswrmvugFyZpDFRW0DjcjCw==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.0.0",
+        "@babel/parser": "^7.0.0",
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/traverse": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.0.0.tgz",
+      "integrity": "sha512-ka/lwaonJZTlJyn97C4g5FYjPOx+Oxd3ab05hbDr1Mx9aP1FclJ+SUHyLx3Tx40sGmOVJApDxE6puJhd3ld2kw==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.0.0",
+        "@babel/generator": "^7.0.0",
+        "@babel/helper-function-name": "^7.0.0",
+        "@babel/helper-split-export-declaration": "^7.0.0",
+        "@babel/parser": "^7.0.0",
+        "@babel/types": "^7.0.0",
+        "debug": "^3.1.0",
+        "globals": "^11.1.0",
+        "lodash": "^4.17.10"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.2.5",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.5.tgz",
+          "integrity": "sha512-D61LaDQPQkxJ5AUM2mbSJRbPkNs/TmdmOeLAi1hgDkpDfIfetSrjmWhccwtuResSwMbACjx/xXQofvM9CE/aeg==",
+          "dev": true,
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "globals": {
+          "version": "11.7.0",
+          "resolved": "https://registry.npmjs.org/globals/-/globals-11.7.0.tgz",
+          "integrity": "sha512-K8BNSPySfeShBQXsahYB/AbbWruVOTyVpgoIDnl8odPpeSfP2J5QO2oLFFdl2j7GfDCtZj2bMKar2T49itTPCg==",
+          "dev": true
+        },
+        "lodash": {
+          "version": "4.17.10",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.10.tgz",
+          "integrity": "sha512-UejweD1pDoXu+AD825lWwp4ZGtSwgnpZxb3JDViD7StjQz+Nb/6l093lx4OQ0foGWNRoc19mWy7BzL+UAK2iVg==",
+          "dev": true
+        },
+        "ms": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
+          "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==",
+          "dev": true
+        }
+      }
+    },
+    "@babel/types": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.0.0.tgz",
+      "integrity": "sha512-5tPDap4bGKTLPtci2SUl/B7Gv8RnuJFuQoWx26RJobS0fFrz4reUA3JnwIM+HVHEmWE0C1mzKhDtTp8NsWY02Q==",
+      "dev": true,
+      "requires": {
+        "esutils": "^2.0.2",
+        "lodash": "^4.17.10",
+        "to-fast-properties": "^2.0.0"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "4.17.10",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.10.tgz",
+          "integrity": "sha512-UejweD1pDoXu+AD825lWwp4ZGtSwgnpZxb3JDViD7StjQz+Nb/6l093lx4OQ0foGWNRoc19mWy7BzL+UAK2iVg==",
+          "dev": true
+        },
+        "to-fast-properties": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
+          "integrity": "sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4=",
+          "dev": true
+        }
+      }
+    },
     "@remy/pstree": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/@remy/pstree/-/pstree-1.1.0.tgz",
@@ -1277,14 +1621,15 @@
       }
     },
     "babel-tape-runner": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/babel-tape-runner/-/babel-tape-runner-2.0.1.tgz",
-      "integrity": "sha1-nAEv+asPMAIKwR/MjoSPID8iIXM=",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/babel-tape-runner/-/babel-tape-runner-3.0.0.tgz",
+      "integrity": "sha512-Svrdv3JMvfKq8fx2GhMsaFh8sicA6PR407UxDWRuH2FOMBbT+5V/J8eO9CLUrXClJGRV+ylFhWHhpYyIFyEjuA==",
       "dev": true,
       "requires": {
-        "babel-polyfill": "6.26.0",
-        "babel-register": "6.26.0",
-        "glob": "6.0.4"
+        "@babel/core": "^7.0.0",
+        "@babel/polyfill": "^7.0.0",
+        "@babel/register": "^7.0.0",
+        "glob": "^6.0.1"
       },
       "dependencies": {
         "glob": {
@@ -1293,11 +1638,11 @@
           "integrity": "sha1-DwiGD2oVUSey+t1PnOJLGqtuTSI=",
           "dev": true,
           "requires": {
-            "inflight": "1.0.6",
-            "inherits": "2.0.3",
-            "minimatch": "3.0.4",
-            "once": "1.4.0",
-            "path-is-absolute": "1.0.1"
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "2 || 3",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
           }
         }
       }
@@ -1758,6 +2103,12 @@
       "integrity": "sha1-DTM+PwDqxQqhRUq9MO+MKl2ackI=",
       "dev": true
     },
+    "buffer-from": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
+      "integrity": "sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==",
+      "dev": true
+    },
     "buffer-xor": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/buffer-xor/-/buffer-xor-1.0.3.tgz",
@@ -2376,6 +2727,49 @@
         "object-assign": "4.1.1"
       }
     },
+    "cross-env": {
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/cross-env/-/cross-env-5.2.0.tgz",
+      "integrity": "sha512-jtdNFfFW1hB7sMhr/H6rW1Z45LFqyI431m3qU6bFXcQ3Eh7LtBuG3h74o7ohHZ3crrRkkqHlo4jYHFPcjroANg==",
+      "dev": true,
+      "requires": {
+        "cross-spawn": "^6.0.5",
+        "is-windows": "^1.0.0"
+      },
+      "dependencies": {
+        "cross-spawn": {
+          "version": "6.0.5",
+          "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
+          "integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
+          "dev": true,
+          "requires": {
+            "nice-try": "^1.0.4",
+            "path-key": "^2.0.1",
+            "semver": "^5.5.0",
+            "shebang-command": "^1.2.0",
+            "which": "^1.2.9"
+          }
+        },
+        "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==",
+          "dev": true
+        },
+        "path-key": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/path-key/-/path-key-2.0.1.tgz",
+          "integrity": "sha1-QRyttXTFoUDTpLGRDUDYDMn0C0A=",
+          "dev": true
+        },
+        "semver": {
+          "version": "5.5.1",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.5.1.tgz",
+          "integrity": "sha512-PqpAxfrEhlSUWge8dwIp4tZnQ25DIOthpiaHNIthsjEFQD6EvqUKUDM7L8O2rShkFccYo1VjJR0coWfNkCubRw==",
+          "dev": true
+        }
+      }
+    },
     "cross-spawn": {
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-5.1.0.tgz",
@@ -2597,6 +2991,7 @@
       "dependencies": {
         "esprima": {
           "version": "git://github.com/ariya/esprima.git#a65a3eb93b9a5dce9a1184ca2d1bd0b184c6b8fd",
+          "from": "esprima@git://github.com/ariya/esprima.git#a65a3eb93b9a5dce9a1184ca2d1bd0b184c6b8fd",
           "dev": true
         }
       }
@@ -3646,6 +4041,25 @@
         "repeat-string": "1.6.1"
       }
     },
+    "find-cache-dir": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/find-cache-dir/-/find-cache-dir-1.0.0.tgz",
+      "integrity": "sha1-kojj6ePMN0hxfTnq3hfPcfww7m8=",
+      "dev": true,
+      "requires": {
+        "commondir": "^1.0.1",
+        "make-dir": "^1.0.0",
+        "pkg-dir": "^2.0.0"
+      },
+      "dependencies": {
+        "commondir": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/commondir/-/commondir-1.0.1.tgz",
+          "integrity": "sha1-3dgA2gxmEnOTzKWVDqloo6rxJTs=",
+          "dev": true
+        }
+      }
+    },
     "find-node-modules": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/find-node-modules/-/find-node-modules-1.0.4.tgz",
@@ -3944,6 +4358,7 @@
           "version": "0.0.9",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "inherits": "2.0.3"
           }
@@ -3968,7 +4383,8 @@
         "buffer-shims": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "caseless": {
           "version": "0.12.0",
@@ -3985,12 +4401,14 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "combined-stream": {
           "version": "1.0.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "delayed-stream": "1.0.0"
           }
@@ -4003,17 +4421,20 @@
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "cryptiles": {
           "version": "2.0.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "boom": "2.10.1"
           }
@@ -4053,7 +4474,8 @@
         "delayed-stream": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "delegates": {
           "version": "1.0.0",
@@ -4085,7 +4507,8 @@
         "extsprintf": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "forever-agent": {
           "version": "0.6.1",
@@ -4208,6 +4631,7 @@
           "version": "3.1.3",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "boom": "2.10.1",
             "cryptiles": "2.0.5",
@@ -4255,6 +4679,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "1.0.1"
           }
@@ -4268,7 +4693,8 @@
         "isarray": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "isstream": {
           "version": "0.1.2",
@@ -4341,12 +4767,14 @@
         "mime-db": {
           "version": "1.27.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "mime-types": {
           "version": "2.1.15",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "mime-db": "1.27.0"
           }
@@ -4422,7 +4850,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "oauth-sign": {
           "version": "0.8.2",
@@ -4480,7 +4909,8 @@
         "process-nextick-args": {
           "version": "1.0.7",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "punycode": {
           "version": "1.4.1",
@@ -4518,6 +4948,7 @@
           "version": "2.2.9",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "buffer-shims": "1.0.0",
             "core-util-is": "1.0.2",
@@ -4569,7 +5000,8 @@
         "safe-buffer": {
           "version": "5.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "semver": {
           "version": "5.3.0",
@@ -4593,6 +5025,7 @@
           "version": "1.0.9",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "hoek": "2.16.3"
           }
@@ -4626,6 +5059,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "1.1.0",
             "is-fullwidth-code-point": "1.0.0",
@@ -4636,6 +5070,7 @@
           "version": "1.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "5.0.1"
           }
@@ -4664,6 +5099,7 @@
           "version": "2.2.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "block-stream": "0.0.9",
             "fstream": "1.0.11",
@@ -4719,7 +5155,8 @@
         "util-deprecate": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "uuid": {
           "version": "3.0.1",
@@ -7053,6 +7490,24 @@
         }
       }
     },
+    "locate-path": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-2.0.0.tgz",
+      "integrity": "sha1-K1aLJl7slExtnA3pw9u7ygNUzY4=",
+      "dev": true,
+      "requires": {
+        "p-locate": "^2.0.0",
+        "path-exists": "^3.0.0"
+      },
+      "dependencies": {
+        "path-exists": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz",
+          "integrity": "sha1-zg6+ql94yxiSXqfYENe1mwEP1RU=",
+          "dev": true
+        }
+      }
+    },
     "lodash": {
       "version": "4.17.4",
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.4.tgz",
@@ -7642,6 +8097,12 @@
       "integrity": "sha1-34zgIeJiviG1L+s9Plz6qxJJHw0=",
       "dev": true
     },
+    "nice-try": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.5.tgz",
+      "integrity": "sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==",
+      "dev": true
+    },
     "nise": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/nise/-/nise-1.2.0.tgz",
@@ -7679,6 +8140,12 @@
       "integrity": "sha1-LW5rLs5d6FiLQ9iNG8QbJs0fqE0=",
       "dev": true
     },
+    "node-modules-regexp": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/node-modules-regexp/-/node-modules-regexp-1.0.0.tgz",
+      "integrity": "sha1-jZ2+KJZKSsVxLpExZCEHxx6Q7EA=",
+      "dev": true
+    },
     "node-uuid": {
       "version": "1.3.3",
       "resolved": "https://registry.npmjs.org/node-uuid/-/node-uuid-1.3.3.tgz",
@@ -8296,6 +8763,30 @@
       "integrity": "sha1-P7z7FbiZpEEjs0ttzBi3JDNqLK4=",
       "dev": true
     },
+    "p-limit": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-1.3.0.tgz",
+      "integrity": "sha512-vvcXsLAJ9Dr5rQOPk7toZQZJApBl2K4J6dANSsEuh6QI41JYcsS/qhTGa9ErIUUgK3WNQoJYvylxvjqmiqEA9Q==",
+      "dev": true,
+      "requires": {
+        "p-try": "^1.0.0"
+      }
+    },
+    "p-locate": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-2.0.0.tgz",
+      "integrity": "sha1-IKAQOyIqcMj9OcwuWAaA893l7EM=",
+      "dev": true,
+      "requires": {
+        "p-limit": "^1.1.0"
+      }
+    },
+    "p-try": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/p-try/-/p-try-1.0.0.tgz",
+      "integrity": "sha1-y8ec26+P1CKOE/Yh8rGiN8GyB7M=",
+      "dev": true
+    },
     "package-json": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/package-json/-/package-json-4.0.1.tgz",
@@ -8520,6 +9011,35 @@
         "pinkie": "2.0.4"
       }
     },
+    "pirates": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/pirates/-/pirates-4.0.0.tgz",
+      "integrity": "sha512-8t5BsXy1LUIjn3WWOlOuFDuKswhQb/tkak641lvBgmPOBUQHXveORtlMCp6OdPV1dtuTaEahKA8VNz6uLfKBtA==",
+      "dev": true,
+      "requires": {
+        "node-modules-regexp": "^1.0.0"
+      }
+    },
+    "pkg-dir": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/pkg-dir/-/pkg-dir-2.0.0.tgz",
+      "integrity": "sha1-9tXREJ4Z1j7fQo4L1X4Sd3YVM0s=",
+      "dev": true,
+      "requires": {
+        "find-up": "^2.1.0"
+      },
+      "dependencies": {
+        "find-up": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/find-up/-/find-up-2.1.0.tgz",
+          "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
+          "dev": true,
+          "requires": {
+            "locate-path": "^2.0.0"
+          }
+        }
+      }
+    },
     "plur": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/plur/-/plur-1.0.0.tgz",
diff --git a/package.json b/package.json
index 52cec6f..7e31654 100644
--- a/package.json
+++ b/package.json
@@ -62,7 +62,7 @@
     "babel-plugin-transform-undefined-to-void": "^6.8.0",
     "babel-preset-latest": "^6.14.0",
     "babel-preset-react": "^6.11.1",
-    "babel-tape-runner": "^2.0.1",
+    "babel-tape-runner": "^3.0.0",
     "babelify": "^7.3.0",
     "browserify": "^14.0.0",
     "cross-env": "^5.1.1",