diff --git a/.travis.yml b/.travis.yml
index 79f33dd..04abf86 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,5 +5,11 @@ node_js:
   - "6"
   - "7"
   - "8"
+  - "9"
+  - "10"
+  - "11"
+  - "12"
+  - "13"
+  - "14"
   - "node"
 after_success: npm run coverage
diff --git a/package-lock.json b/package-lock.json
index 9bfdf80..78d9e51 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -22,7 +22,7 @@
       "integrity": "sha1-c9g7wmP4bpf4zE9rrhsOkKfSLIY=",
       "dev": true,
       "requires": {
-        "sprintf-js": "1.0.3"
+        "sprintf-js": "~1.0.2"
       }
     },
     "asn1": {
@@ -74,7 +74,7 @@
       "dev": true,
       "optional": true,
       "requires": {
-        "tweetnacl": "0.14.5"
+        "tweetnacl": "^0.14.3"
       }
     },
     "benchmark": {
@@ -83,8 +83,8 @@
       "integrity": "sha1-CfPeMckWQl1JjMLuVloOvzwqVik=",
       "dev": true,
       "requires": {
-        "lodash": "4.17.4",
-        "platform": "1.3.4"
+        "lodash": "^4.17.4",
+        "platform": "^1.3.3"
       }
     },
     "boom": {
@@ -93,7 +93,7 @@
       "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
       "dev": true,
       "requires": {
-        "hoek": "2.16.3"
+        "hoek": "2.x.x"
       }
     },
     "brace-expansion": {
@@ -102,7 +102,7 @@
       "integrity": "sha1-wHshHHyVLsH479Uad+8NHTmQopI=",
       "dev": true,
       "requires": {
-        "balanced-match": "1.0.0",
+        "balanced-match": "^1.0.0",
         "concat-map": "0.0.1"
       }
     },
@@ -129,12 +129,12 @@
       "integrity": "sha1-MxoDkbVcOvh0CunDt0WLwcOAXm0=",
       "dev": true,
       "requires": {
-        "assertion-error": "1.0.2",
-        "check-error": "1.0.2",
-        "deep-eql": "2.0.2",
-        "get-func-name": "2.0.0",
-        "pathval": "1.1.0",
-        "type-detect": "4.0.3"
+        "assertion-error": "^1.0.1",
+        "check-error": "^1.0.1",
+        "deep-eql": "^2.0.1",
+        "get-func-name": "^2.0.0",
+        "pathval": "^1.0.0",
+        "type-detect": "^4.0.0"
       }
     },
     "chalk": {
@@ -143,11 +143,11 @@
       "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
       "dev": true,
       "requires": {
-        "ansi-styles": "2.2.1",
-        "escape-string-regexp": "1.0.5",
-        "has-ansi": "2.0.0",
-        "strip-ansi": "3.0.1",
-        "supports-color": "2.0.0"
+        "ansi-styles": "^2.2.1",
+        "escape-string-regexp": "^1.0.2",
+        "has-ansi": "^2.0.0",
+        "strip-ansi": "^3.0.0",
+        "supports-color": "^2.0.0"
       },
       "dependencies": {
         "supports-color": {
@@ -176,7 +176,7 @@
       "integrity": "sha1-k4NwpXtKUd6ix3wV1cX9+JUWQAk=",
       "dev": true,
       "requires": {
-        "delayed-stream": "1.0.0"
+        "delayed-stream": "~1.0.0"
       }
     },
     "commander": {
@@ -185,7 +185,7 @@
       "integrity": "sha1-nJkJQXbhIkDLItbFFGCYQA/g99Q=",
       "dev": true,
       "requires": {
-        "graceful-readlink": "1.0.1"
+        "graceful-readlink": ">= 1.0.0"
       }
     },
     "concat-map": {
@@ -227,7 +227,7 @@
       "integrity": "sha1-O9/s3GCBR8HGcgL6KR59ylnqo7g=",
       "dev": true,
       "requires": {
-        "boom": "2.10.1"
+        "boom": "2.x.x"
       }
     },
     "dashdash": {
@@ -236,7 +236,7 @@
       "integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
       "dev": true,
       "requires": {
-        "assert-plus": "1.0.0"
+        "assert-plus": "^1.0.0"
       },
       "dependencies": {
         "assert-plus": {
@@ -253,7 +253,7 @@
       "integrity": "sha1-sbrAblbwp2d3aG1Qyf63XC7XZ5o=",
       "dev": true,
       "requires": {
-        "type-detect": "3.0.0"
+        "type-detect": "^3.0.0"
       },
       "dependencies": {
         "type-detect": {
@@ -288,7 +288,7 @@
       "dev": true,
       "optional": true,
       "requires": {
-        "jsbn": "0.1.1"
+        "jsbn": "~0.1.0"
       }
     },
     "escape-string-regexp": {
@@ -327,9 +327,9 @@
       "integrity": "sha1-M8GDrPGTJ27KqYFDpp6Uv+4XUNE=",
       "dev": true,
       "requires": {
-        "asynckit": "0.4.0",
-        "combined-stream": "1.0.5",
-        "mime-types": "2.1.16"
+        "asynckit": "^0.4.0",
+        "combined-stream": "^1.0.5",
+        "mime-types": "^2.1.12"
       }
     },
     "fs.realpath": {
@@ -350,7 +350,7 @@
       "integrity": "sha1-nA4cQDCM6AT0eDYYuTf6iPmdUNA=",
       "dev": true,
       "requires": {
-        "is-property": "1.0.2"
+        "is-property": "^1.0.0"
       }
     },
     "get-func-name": {
@@ -365,7 +365,7 @@
       "integrity": "sha1-Xv+OPmhNVprkyysSgmBOi6YhSfo=",
       "dev": true,
       "requires": {
-        "assert-plus": "1.0.0"
+        "assert-plus": "^1.0.0"
       },
       "dependencies": {
         "assert-plus": {
@@ -382,12 +382,12 @@
       "integrity": "sha1-gFIR3wT6rxxjo2ADBs31reULLsg=",
       "dev": true,
       "requires": {
-        "fs.realpath": "1.0.0",
-        "inflight": "1.0.6",
-        "inherits": "2.0.3",
-        "minimatch": "3.0.4",
-        "once": "1.4.0",
-        "path-is-absolute": "1.0.1"
+        "fs.realpath": "^1.0.0",
+        "inflight": "^1.0.4",
+        "inherits": "2",
+        "minimatch": "^3.0.2",
+        "once": "^1.3.0",
+        "path-is-absolute": "^1.0.0"
       }
     },
     "graceful-readlink": {
@@ -408,10 +408,10 @@
       "integrity": "sha1-zcvAgYgmWtEZtqWnyKtw7s+10n0=",
       "dev": true,
       "requires": {
-        "chalk": "1.1.3",
-        "commander": "2.9.0",
-        "is-my-json-valid": "2.16.0",
-        "pinkie-promise": "2.0.1"
+        "chalk": "^1.1.1",
+        "commander": "^2.9.0",
+        "is-my-json-valid": "^2.12.4",
+        "pinkie-promise": "^2.0.0"
       }
     },
     "has-ansi": {
@@ -420,7 +420,7 @@
       "integrity": "sha1-NPUEnOHs3ysGSa8+8k5F7TVBbZE=",
       "dev": true,
       "requires": {
-        "ansi-regex": "2.1.1"
+        "ansi-regex": "^2.0.0"
       }
     },
     "has-flag": {
@@ -435,10 +435,10 @@
       "integrity": "sha1-B4REvXwWQLD+VA0sm3PVlnjo4cQ=",
       "dev": true,
       "requires": {
-        "boom": "2.10.1",
-        "cryptiles": "2.0.5",
-        "hoek": "2.16.3",
-        "sntp": "1.0.9"
+        "boom": "2.x.x",
+        "cryptiles": "2.x.x",
+        "hoek": "2.x.x",
+        "sntp": "1.x.x"
       }
     },
     "hoek": {
@@ -453,9 +453,9 @@
       "integrity": "sha1-33LiZwZs0Kxn+3at+OE0qPvPkb8=",
       "dev": true,
       "requires": {
-        "assert-plus": "0.2.0",
-        "jsprim": "1.4.1",
-        "sshpk": "1.13.1"
+        "assert-plus": "^0.2.0",
+        "jsprim": "^1.2.2",
+        "sshpk": "^1.7.0"
       }
     },
     "inflight": {
@@ -464,8 +464,8 @@
       "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
       "dev": true,
       "requires": {
-        "once": "1.4.0",
-        "wrappy": "1.0.2"
+        "once": "^1.3.0",
+        "wrappy": "1"
       }
     },
     "inherits": {
@@ -480,10 +480,10 @@
       "integrity": "sha1-8Hndm/2uZe4gOKrorLyGqxCeNpM=",
       "dev": true,
       "requires": {
-        "generate-function": "2.0.0",
-        "generate-object-property": "1.2.0",
-        "jsonpointer": "4.0.1",
-        "xtend": "4.0.1"
+        "generate-function": "^2.0.0",
+        "generate-object-property": "^1.1.0",
+        "jsonpointer": "^4.0.0",
+        "xtend": "^4.0.0"
       }
     },
     "is-property": {
@@ -510,8 +510,8 @@
       "integrity": "sha1-bl/mfYsgXOTSL60Ft3geja3MSzA=",
       "dev": true,
       "requires": {
-        "argparse": "1.0.9",
-        "esprima": "2.7.3"
+        "argparse": "^1.0.7",
+        "esprima": "^2.6.0"
       }
     },
     "jsbn": {
@@ -583,8 +583,8 @@
       "integrity": "sha1-jDigmVAPIVrQnlnxci/QxSv+Ck4=",
       "dev": true,
       "requires": {
-        "lodash._basecopy": "3.0.1",
-        "lodash.keys": "3.1.2"
+        "lodash._basecopy": "^3.0.0",
+        "lodash.keys": "^3.0.0"
       }
     },
     "lodash._basecopy": {
@@ -617,9 +617,9 @@
       "integrity": "sha1-1/KEnw29p+BGgruM1yqwIkYd6+c=",
       "dev": true,
       "requires": {
-        "lodash._baseassign": "3.2.0",
-        "lodash._basecreate": "3.0.3",
-        "lodash._isiterateecall": "3.0.9"
+        "lodash._baseassign": "^3.0.0",
+        "lodash._basecreate": "^3.0.0",
+        "lodash._isiterateecall": "^3.0.0"
       }
     },
     "lodash.isarguments": {
@@ -640,9 +640,9 @@
       "integrity": "sha1-TbwEcrFWvlCgsoaFXRvQsMZWCYo=",
       "dev": true,
       "requires": {
-        "lodash._getnative": "3.9.1",
-        "lodash.isarguments": "3.1.0",
-        "lodash.isarray": "3.0.4"
+        "lodash._getnative": "^3.0.0",
+        "lodash.isarguments": "^3.0.0",
+        "lodash.isarray": "^3.0.0"
       }
     },
     "log-driver": {
@@ -663,7 +663,7 @@
       "integrity": "sha1-K4WKUuXs1RbbiXrCvodIeDBpjiM=",
       "dev": true,
       "requires": {
-        "mime-db": "1.29.0"
+        "mime-db": "~1.29.0"
       }
     },
     "minimatch": {
@@ -672,7 +672,7 @@
       "integrity": "sha1-UWbihkV/AzBgZL5Ul+jbsMPTIIM=",
       "dev": true,
       "requires": {
-        "brace-expansion": "1.1.8"
+        "brace-expansion": "^1.1.7"
       }
     },
     "minimist": {
@@ -738,9 +738,9 @@
       "integrity": "sha1-5Pe/eraTS1Jj+r9cUdwxFtjubdE=",
       "dev": true,
       "requires": {
-        "chalk": "1.1.3",
-        "mutexify": "1.2.0",
-        "pretty-hrtime": "1.0.3"
+        "chalk": "^1.1.3",
+        "mutexify": "^1.1.0",
+        "pretty-hrtime": "^1.0.2"
       }
     },
     "nyc": {
@@ -749,33 +749,33 @@
       "integrity": "sha1-1rPF4WiSolr2MTi6SEZ2qooi7ac=",
       "dev": true,
       "requires": {
-        "archy": "1.0.0",
-        "arrify": "1.0.1",
-        "caching-transform": "1.0.1",
-        "convert-source-map": "1.5.0",
-        "debug-log": "1.0.1",
-        "default-require-extensions": "1.0.0",
-        "find-cache-dir": "0.1.1",
-        "find-up": "2.1.0",
-        "foreground-child": "1.5.6",
-        "glob": "7.1.2",
-        "istanbul-lib-coverage": "1.1.1",
-        "istanbul-lib-hook": "1.0.7",
-        "istanbul-lib-instrument": "1.7.4",
-        "istanbul-lib-report": "1.1.1",
-        "istanbul-lib-source-maps": "1.2.1",
-        "istanbul-reports": "1.1.1",
-        "md5-hex": "1.3.0",
-        "merge-source-map": "1.0.4",
-        "micromatch": "2.3.11",
-        "mkdirp": "0.5.1",
-        "resolve-from": "2.0.0",
-        "rimraf": "2.6.1",
-        "signal-exit": "3.0.2",
-        "spawn-wrap": "1.3.8",
-        "test-exclude": "4.1.1",
-        "yargs": "8.0.2",
-        "yargs-parser": "5.0.0"
+        "archy": "^1.0.0",
+        "arrify": "^1.0.1",
+        "caching-transform": "^1.0.0",
+        "convert-source-map": "^1.3.0",
+        "debug-log": "^1.0.1",
+        "default-require-extensions": "^1.0.0",
+        "find-cache-dir": "^0.1.1",
+        "find-up": "^2.1.0",
+        "foreground-child": "^1.5.3",
+        "glob": "^7.0.6",
+        "istanbul-lib-coverage": "^1.1.1",
+        "istanbul-lib-hook": "^1.0.7",
+        "istanbul-lib-instrument": "^1.7.4",
+        "istanbul-lib-report": "^1.1.1",
+        "istanbul-lib-source-maps": "^1.2.1",
+        "istanbul-reports": "^1.1.1",
+        "md5-hex": "^1.2.0",
+        "merge-source-map": "^1.0.2",
+        "micromatch": "^2.3.11",
+        "mkdirp": "^0.5.0",
+        "resolve-from": "^2.0.0",
+        "rimraf": "^2.5.4",
+        "signal-exit": "^3.0.1",
+        "spawn-wrap": "^1.3.8",
+        "test-exclude": "^4.1.1",
+        "yargs": "^8.0.1",
+        "yargs-parser": "^5.0.0"
       },
       "dependencies": {
         "align-text": {
@@ -783,9 +783,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "kind-of": "3.2.2",
-            "longest": "1.0.1",
-            "repeat-string": "1.6.1"
+            "kind-of": "^3.0.2",
+            "longest": "^1.0.1",
+            "repeat-string": "^1.5.2"
           }
         },
         "amdefine": {
@@ -808,7 +808,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "default-require-extensions": "1.0.0"
+            "default-require-extensions": "^1.0.0"
           }
         },
         "archy": {
@@ -821,7 +821,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "arr-flatten": "1.1.0"
+            "arr-flatten": "^1.0.1"
           }
         },
         "arr-flatten": {
@@ -849,9 +849,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "chalk": "1.1.3",
-            "esutils": "2.0.2",
-            "js-tokens": "3.0.2"
+            "chalk": "^1.1.0",
+            "esutils": "^2.0.2",
+            "js-tokens": "^3.0.0"
           }
         },
         "babel-generator": {
@@ -859,14 +859,14 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "babel-messages": "6.23.0",
-            "babel-runtime": "6.23.0",
-            "babel-types": "6.25.0",
-            "detect-indent": "4.0.0",
-            "jsesc": "1.3.0",
-            "lodash": "4.17.4",
-            "source-map": "0.5.6",
-            "trim-right": "1.0.1"
+            "babel-messages": "^6.23.0",
+            "babel-runtime": "^6.22.0",
+            "babel-types": "^6.25.0",
+            "detect-indent": "^4.0.0",
+            "jsesc": "^1.3.0",
+            "lodash": "^4.2.0",
+            "source-map": "^0.5.0",
+            "trim-right": "^1.0.1"
           }
         },
         "babel-messages": {
@@ -874,7 +874,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "babel-runtime": "6.23.0"
+            "babel-runtime": "^6.22.0"
           }
         },
         "babel-runtime": {
@@ -882,8 +882,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "core-js": "2.4.1",
-            "regenerator-runtime": "0.10.5"
+            "core-js": "^2.4.0",
+            "regenerator-runtime": "^0.10.0"
           }
         },
         "babel-template": {
@@ -891,11 +891,11 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "babel-runtime": "6.23.0",
-            "babel-traverse": "6.25.0",
-            "babel-types": "6.25.0",
-            "babylon": "6.17.4",
-            "lodash": "4.17.4"
+            "babel-runtime": "^6.22.0",
+            "babel-traverse": "^6.25.0",
+            "babel-types": "^6.25.0",
+            "babylon": "^6.17.2",
+            "lodash": "^4.2.0"
           }
         },
         "babel-traverse": {
@@ -903,15 +903,15 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "babel-code-frame": "6.22.0",
-            "babel-messages": "6.23.0",
-            "babel-runtime": "6.23.0",
-            "babel-types": "6.25.0",
-            "babylon": "6.17.4",
-            "debug": "2.6.8",
-            "globals": "9.18.0",
-            "invariant": "2.2.2",
-            "lodash": "4.17.4"
+            "babel-code-frame": "^6.22.0",
+            "babel-messages": "^6.23.0",
+            "babel-runtime": "^6.22.0",
+            "babel-types": "^6.25.0",
+            "babylon": "^6.17.2",
+            "debug": "^2.2.0",
+            "globals": "^9.0.0",
+            "invariant": "^2.2.0",
+            "lodash": "^4.2.0"
           }
         },
         "babel-types": {
@@ -919,10 +919,10 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "babel-runtime": "6.23.0",
-            "esutils": "2.0.2",
-            "lodash": "4.17.4",
-            "to-fast-properties": "1.0.3"
+            "babel-runtime": "^6.22.0",
+            "esutils": "^2.0.2",
+            "lodash": "^4.2.0",
+            "to-fast-properties": "^1.0.1"
           }
         },
         "babylon": {
@@ -940,7 +940,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "balanced-match": "1.0.0",
+            "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
           }
         },
@@ -949,9 +949,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "expand-range": "1.8.2",
-            "preserve": "0.2.0",
-            "repeat-element": "1.1.2"
+            "expand-range": "^1.8.1",
+            "preserve": "^0.2.0",
+            "repeat-element": "^1.1.2"
           }
         },
         "builtin-modules": {
@@ -964,9 +964,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "md5-hex": "1.3.0",
-            "mkdirp": "0.5.1",
-            "write-file-atomic": "1.3.4"
+            "md5-hex": "^1.2.0",
+            "mkdirp": "^0.5.1",
+            "write-file-atomic": "^1.1.4"
           }
         },
         "camelcase": {
@@ -981,8 +981,8 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "align-text": "0.1.4",
-            "lazy-cache": "1.0.4"
+            "align-text": "^0.1.3",
+            "lazy-cache": "^1.0.3"
           }
         },
         "chalk": {
@@ -990,11 +990,11 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "ansi-styles": "2.2.1",
-            "escape-string-regexp": "1.0.5",
-            "has-ansi": "2.0.0",
-            "strip-ansi": "3.0.1",
-            "supports-color": "2.0.0"
+            "ansi-styles": "^2.2.1",
+            "escape-string-regexp": "^1.0.2",
+            "has-ansi": "^2.0.0",
+            "strip-ansi": "^3.0.0",
+            "supports-color": "^2.0.0"
           }
         },
         "cliui": {
@@ -1003,8 +1003,8 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "center-align": "0.1.3",
-            "right-align": "0.1.3",
+            "center-align": "^0.1.1",
+            "right-align": "^0.1.1",
             "wordwrap": "0.0.2"
           },
           "dependencies": {
@@ -1046,8 +1046,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "lru-cache": "4.1.1",
-            "which": "1.2.14"
+            "lru-cache": "^4.0.1",
+            "which": "^1.2.9"
           }
         },
         "debug": {
@@ -1073,7 +1073,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "strip-bom": "2.0.0"
+            "strip-bom": "^2.0.0"
           }
         },
         "detect-indent": {
@@ -1081,7 +1081,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "repeating": "2.0.1"
+            "repeating": "^2.0.0"
           }
         },
         "error-ex": {
@@ -1089,7 +1089,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-arrayish": "0.2.1"
+            "is-arrayish": "^0.2.1"
           }
         },
         "escape-string-regexp": {
@@ -1107,13 +1107,13 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "cross-spawn": "4.0.2",
-            "get-stream": "2.3.1",
-            "is-stream": "1.1.0",
-            "npm-run-path": "2.0.2",
-            "p-finally": "1.0.0",
-            "signal-exit": "3.0.2",
-            "strip-eof": "1.0.0"
+            "cross-spawn": "^4.0.0",
+            "get-stream": "^2.2.0",
+            "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"
           }
         },
         "expand-brackets": {
@@ -1121,7 +1121,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-posix-bracket": "0.1.1"
+            "is-posix-bracket": "^0.1.0"
           }
         },
         "expand-range": {
@@ -1129,7 +1129,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "fill-range": "2.2.3"
+            "fill-range": "^2.1.0"
           }
         },
         "extglob": {
@@ -1137,7 +1137,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-extglob": "1.0.0"
+            "is-extglob": "^1.0.0"
           }
         },
         "filename-regex": {
@@ -1150,11 +1150,11 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-number": "2.1.0",
-            "isobject": "2.1.0",
-            "randomatic": "1.1.7",
-            "repeat-element": "1.1.2",
-            "repeat-string": "1.6.1"
+            "is-number": "^2.1.0",
+            "isobject": "^2.0.0",
+            "randomatic": "^1.1.3",
+            "repeat-element": "^1.1.2",
+            "repeat-string": "^1.5.2"
           }
         },
         "find-cache-dir": {
@@ -1162,9 +1162,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "commondir": "1.0.1",
-            "mkdirp": "0.5.1",
-            "pkg-dir": "1.0.0"
+            "commondir": "^1.0.1",
+            "mkdirp": "^0.5.1",
+            "pkg-dir": "^1.0.0"
           }
         },
         "find-up": {
@@ -1172,7 +1172,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "locate-path": "2.0.0"
+            "locate-path": "^2.0.0"
           }
         },
         "for-in": {
@@ -1185,7 +1185,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "for-in": "1.0.2"
+            "for-in": "^1.0.1"
           }
         },
         "foreground-child": {
@@ -1193,8 +1193,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "cross-spawn": "4.0.2",
-            "signal-exit": "3.0.2"
+            "cross-spawn": "^4",
+            "signal-exit": "^3.0.0"
           }
         },
         "fs.realpath": {
@@ -1212,8 +1212,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "object-assign": "4.1.1",
-            "pinkie-promise": "2.0.1"
+            "object-assign": "^4.0.1",
+            "pinkie-promise": "^2.0.0"
           }
         },
         "glob": {
@@ -1221,12 +1221,12 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "fs.realpath": "1.0.0",
-            "inflight": "1.0.6",
-            "inherits": "2.0.3",
-            "minimatch": "3.0.4",
-            "once": "1.4.0",
-            "path-is-absolute": "1.0.1"
+            "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"
           }
         },
         "glob-base": {
@@ -1234,8 +1234,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "glob-parent": "2.0.0",
-            "is-glob": "2.0.1"
+            "glob-parent": "^2.0.0",
+            "is-glob": "^2.0.0"
           }
         },
         "glob-parent": {
@@ -1243,7 +1243,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-glob": "2.0.1"
+            "is-glob": "^2.0.0"
           }
         },
         "globals": {
@@ -1261,10 +1261,10 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "async": "1.5.2",
-            "optimist": "0.6.1",
-            "source-map": "0.4.4",
-            "uglify-js": "2.8.29"
+            "async": "^1.4.0",
+            "optimist": "^0.6.1",
+            "source-map": "^0.4.4",
+            "uglify-js": "^2.6"
           },
           "dependencies": {
             "source-map": {
@@ -1272,7 +1272,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "amdefine": "1.0.1"
+                "amdefine": ">=0.0.4"
               }
             }
           }
@@ -1282,7 +1282,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "ansi-regex": "2.1.1"
+            "ansi-regex": "^2.0.0"
           }
         },
         "has-flag": {
@@ -1305,8 +1305,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "once": "1.4.0",
-            "wrappy": "1.0.2"
+            "once": "^1.3.0",
+            "wrappy": "1"
           }
         },
         "inherits": {
@@ -1319,7 +1319,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "loose-envify": "1.3.1"
+            "loose-envify": "^1.0.0"
           }
         },
         "invert-kv": {
@@ -1342,7 +1342,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "builtin-modules": "1.1.1"
+            "builtin-modules": "^1.0.0"
           }
         },
         "is-dotfile": {
@@ -1355,7 +1355,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-primitive": "2.0.0"
+            "is-primitive": "^2.0.0"
           }
         },
         "is-extendable": {
@@ -1373,7 +1373,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "number-is-nan": "1.0.1"
+            "number-is-nan": "^1.0.0"
           }
         },
         "is-fullwidth-code-point": {
@@ -1381,7 +1381,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "number-is-nan": "1.0.1"
+            "number-is-nan": "^1.0.0"
           }
         },
         "is-glob": {
@@ -1389,7 +1389,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-extglob": "1.0.0"
+            "is-extglob": "^1.0.0"
           }
         },
         "is-number": {
@@ -1397,7 +1397,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "kind-of": "3.2.2"
+            "kind-of": "^3.0.2"
           }
         },
         "is-posix-bracket": {
@@ -1448,7 +1448,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "append-transform": "0.4.0"
+            "append-transform": "^0.4.0"
           }
         },
         "istanbul-lib-instrument": {
@@ -1456,13 +1456,13 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "babel-generator": "6.25.0",
-            "babel-template": "6.25.0",
-            "babel-traverse": "6.25.0",
-            "babel-types": "6.25.0",
-            "babylon": "6.17.4",
-            "istanbul-lib-coverage": "1.1.1",
-            "semver": "5.3.0"
+            "babel-generator": "^6.18.0",
+            "babel-template": "^6.16.0",
+            "babel-traverse": "^6.18.0",
+            "babel-types": "^6.18.0",
+            "babylon": "^6.17.4",
+            "istanbul-lib-coverage": "^1.1.1",
+            "semver": "^5.3.0"
           }
         },
         "istanbul-lib-report": {
@@ -1470,10 +1470,10 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "istanbul-lib-coverage": "1.1.1",
-            "mkdirp": "0.5.1",
-            "path-parse": "1.0.5",
-            "supports-color": "3.2.3"
+            "istanbul-lib-coverage": "^1.1.1",
+            "mkdirp": "^0.5.1",
+            "path-parse": "^1.0.5",
+            "supports-color": "^3.1.2"
           },
           "dependencies": {
             "supports-color": {
@@ -1481,7 +1481,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "has-flag": "1.0.0"
+                "has-flag": "^1.0.0"
               }
             }
           }
@@ -1491,11 +1491,11 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "debug": "2.6.8",
-            "istanbul-lib-coverage": "1.1.1",
-            "mkdirp": "0.5.1",
-            "rimraf": "2.6.1",
-            "source-map": "0.5.6"
+            "debug": "^2.6.3",
+            "istanbul-lib-coverage": "^1.1.1",
+            "mkdirp": "^0.5.1",
+            "rimraf": "^2.6.1",
+            "source-map": "^0.5.3"
           }
         },
         "istanbul-reports": {
@@ -1503,7 +1503,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "handlebars": "4.0.10"
+            "handlebars": "^4.0.3"
           }
         },
         "js-tokens": {
@@ -1521,7 +1521,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-buffer": "1.1.5"
+            "is-buffer": "^1.1.5"
           }
         },
         "lazy-cache": {
@@ -1535,7 +1535,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "invert-kv": "1.0.0"
+            "invert-kv": "^1.0.0"
           }
         },
         "load-json-file": {
@@ -1543,11 +1543,11 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "graceful-fs": "4.1.11",
-            "parse-json": "2.2.0",
-            "pify": "2.3.0",
-            "pinkie-promise": "2.0.1",
-            "strip-bom": "2.0.0"
+            "graceful-fs": "^4.1.2",
+            "parse-json": "^2.2.0",
+            "pify": "^2.0.0",
+            "pinkie-promise": "^2.0.0",
+            "strip-bom": "^2.0.0"
           }
         },
         "locate-path": {
@@ -1555,8 +1555,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "p-locate": "2.0.0",
-            "path-exists": "3.0.0"
+            "p-locate": "^2.0.0",
+            "path-exists": "^3.0.0"
           },
           "dependencies": {
             "path-exists": {
@@ -1581,7 +1581,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "js-tokens": "3.0.2"
+            "js-tokens": "^3.0.0"
           }
         },
         "lru-cache": {
@@ -1589,8 +1589,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "pseudomap": "1.0.2",
-            "yallist": "2.1.2"
+            "pseudomap": "^1.0.2",
+            "yallist": "^2.1.2"
           }
         },
         "md5-hex": {
@@ -1598,7 +1598,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "md5-o-matic": "0.1.1"
+            "md5-o-matic": "^0.1.1"
           }
         },
         "md5-o-matic": {
@@ -1611,7 +1611,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "mimic-fn": "1.1.0"
+            "mimic-fn": "^1.0.0"
           }
         },
         "merge-source-map": {
@@ -1619,7 +1619,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "source-map": "0.5.6"
+            "source-map": "^0.5.6"
           }
         },
         "micromatch": {
@@ -1627,19 +1627,19 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "arr-diff": "2.0.0",
-            "array-unique": "0.2.1",
-            "braces": "1.8.5",
-            "expand-brackets": "0.1.5",
-            "extglob": "0.3.2",
-            "filename-regex": "2.0.1",
-            "is-extglob": "1.0.0",
-            "is-glob": "2.0.1",
-            "kind-of": "3.2.2",
-            "normalize-path": "2.1.1",
-            "object.omit": "2.0.1",
-            "parse-glob": "3.0.4",
-            "regex-cache": "0.4.3"
+            "arr-diff": "^2.0.0",
+            "array-unique": "^0.2.1",
+            "braces": "^1.8.2",
+            "expand-brackets": "^0.1.4",
+            "extglob": "^0.3.1",
+            "filename-regex": "^2.0.0",
+            "is-extglob": "^1.0.0",
+            "is-glob": "^2.0.1",
+            "kind-of": "^3.0.2",
+            "normalize-path": "^2.0.1",
+            "object.omit": "^2.0.0",
+            "parse-glob": "^3.0.4",
+            "regex-cache": "^0.4.2"
           }
         },
         "mimic-fn": {
@@ -1652,7 +1652,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "brace-expansion": "1.1.8"
+            "brace-expansion": "^1.1.7"
           }
         },
         "minimist": {
@@ -1678,10 +1678,10 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "hosted-git-info": "2.5.0",
-            "is-builtin-module": "1.0.0",
-            "semver": "5.3.0",
-            "validate-npm-package-license": "3.0.1"
+            "hosted-git-info": "^2.1.4",
+            "is-builtin-module": "^1.0.0",
+            "semver": "2 || 3 || 4 || 5",
+            "validate-npm-package-license": "^3.0.1"
           }
         },
         "normalize-path": {
@@ -1689,7 +1689,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "remove-trailing-separator": "1.0.2"
+            "remove-trailing-separator": "^1.0.1"
           }
         },
         "npm-run-path": {
@@ -1697,7 +1697,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "path-key": "2.0.1"
+            "path-key": "^2.0.0"
           }
         },
         "number-is-nan": {
@@ -1715,8 +1715,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "for-own": "0.1.5",
-            "is-extendable": "0.1.1"
+            "for-own": "^0.1.4",
+            "is-extendable": "^0.1.1"
           }
         },
         "once": {
@@ -1724,7 +1724,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "wrappy": "1.0.2"
+            "wrappy": "1"
           }
         },
         "optimist": {
@@ -1732,8 +1732,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "minimist": "0.0.8",
-            "wordwrap": "0.0.3"
+            "minimist": "~0.0.1",
+            "wordwrap": "~0.0.2"
           }
         },
         "os-homedir": {
@@ -1746,9 +1746,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "execa": "0.5.1",
-            "lcid": "1.0.0",
-            "mem": "1.1.0"
+            "execa": "^0.5.0",
+            "lcid": "^1.0.0",
+            "mem": "^1.1.0"
           }
         },
         "p-finally": {
@@ -1766,7 +1766,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "p-limit": "1.1.0"
+            "p-limit": "^1.1.0"
           }
         },
         "parse-glob": {
@@ -1774,10 +1774,10 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "glob-base": "0.3.0",
-            "is-dotfile": "1.0.3",
-            "is-extglob": "1.0.0",
-            "is-glob": "2.0.1"
+            "glob-base": "^0.3.0",
+            "is-dotfile": "^1.0.0",
+            "is-extglob": "^1.0.0",
+            "is-glob": "^2.0.0"
           }
         },
         "parse-json": {
@@ -1785,7 +1785,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "error-ex": "1.3.1"
+            "error-ex": "^1.2.0"
           }
         },
         "path-exists": {
@@ -1793,7 +1793,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "pinkie-promise": "2.0.1"
+            "pinkie-promise": "^2.0.0"
           }
         },
         "path-is-absolute": {
@@ -1816,9 +1816,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "graceful-fs": "4.1.11",
-            "pify": "2.3.0",
-            "pinkie-promise": "2.0.1"
+            "graceful-fs": "^4.1.2",
+            "pify": "^2.0.0",
+            "pinkie-promise": "^2.0.0"
           }
         },
         "pify": {
@@ -1836,7 +1836,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "pinkie": "2.0.4"
+            "pinkie": "^2.0.0"
           }
         },
         "pkg-dir": {
@@ -1844,7 +1844,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "find-up": "1.1.2"
+            "find-up": "^1.0.0"
           },
           "dependencies": {
             "find-up": {
@@ -1852,8 +1852,8 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "path-exists": "2.1.0",
-                "pinkie-promise": "2.0.1"
+                "path-exists": "^2.0.0",
+                "pinkie-promise": "^2.0.0"
               }
             }
           }
@@ -1873,8 +1873,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-number": "3.0.0",
-            "kind-of": "4.0.0"
+            "is-number": "^3.0.0",
+            "kind-of": "^4.0.0"
           },
           "dependencies": {
             "is-number": {
@@ -1882,7 +1882,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "kind-of": "3.2.2"
+                "kind-of": "^3.0.2"
               },
               "dependencies": {
                 "kind-of": {
@@ -1890,7 +1890,7 @@
                   "bundled": true,
                   "dev": true,
                   "requires": {
-                    "is-buffer": "1.1.5"
+                    "is-buffer": "^1.1.5"
                   }
                 }
               }
@@ -1900,7 +1900,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "is-buffer": "1.1.5"
+                "is-buffer": "^1.1.5"
               }
             }
           }
@@ -1910,9 +1910,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "load-json-file": "1.1.0",
-            "normalize-package-data": "2.4.0",
-            "path-type": "1.1.0"
+            "load-json-file": "^1.0.0",
+            "normalize-package-data": "^2.3.2",
+            "path-type": "^1.0.0"
           }
         },
         "read-pkg-up": {
@@ -1920,8 +1920,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "find-up": "1.1.2",
-            "read-pkg": "1.1.0"
+            "find-up": "^1.0.0",
+            "read-pkg": "^1.0.0"
           },
           "dependencies": {
             "find-up": {
@@ -1929,8 +1929,8 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "path-exists": "2.1.0",
-                "pinkie-promise": "2.0.1"
+                "path-exists": "^2.0.0",
+                "pinkie-promise": "^2.0.0"
               }
             }
           }
@@ -1945,8 +1945,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-equal-shallow": "0.1.3",
-            "is-primitive": "2.0.0"
+            "is-equal-shallow": "^0.1.3",
+            "is-primitive": "^2.0.0"
           }
         },
         "remove-trailing-separator": {
@@ -1969,7 +1969,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-finite": "1.0.2"
+            "is-finite": "^1.0.0"
           }
         },
         "require-directory": {
@@ -1993,7 +1993,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "align-text": "0.1.4"
+            "align-text": "^0.1.1"
           }
         },
         "rimraf": {
@@ -2001,7 +2001,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "glob": "7.1.2"
+            "glob": "^7.0.5"
           }
         },
         "semver": {
@@ -2034,12 +2034,12 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "foreground-child": "1.5.6",
-            "mkdirp": "0.5.1",
-            "os-homedir": "1.0.2",
-            "rimraf": "2.6.1",
-            "signal-exit": "3.0.2",
-            "which": "1.2.14"
+            "foreground-child": "^1.5.6",
+            "mkdirp": "^0.5.0",
+            "os-homedir": "^1.0.1",
+            "rimraf": "^2.3.3",
+            "signal-exit": "^3.0.2",
+            "which": "^1.2.4"
           }
         },
         "spdx-correct": {
@@ -2047,7 +2047,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "spdx-license-ids": "1.2.2"
+            "spdx-license-ids": "^1.0.2"
           }
         },
         "spdx-expression-parse": {
@@ -2065,8 +2065,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-fullwidth-code-point": "2.0.0",
-            "strip-ansi": "4.0.0"
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^4.0.0"
           },
           "dependencies": {
             "ansi-regex": {
@@ -2084,7 +2084,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "ansi-regex": "3.0.0"
+                "ansi-regex": "^3.0.0"
               }
             }
           }
@@ -2094,7 +2094,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "ansi-regex": "2.1.1"
+            "ansi-regex": "^2.0.0"
           }
         },
         "strip-bom": {
@@ -2102,7 +2102,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-utf8": "0.2.1"
+            "is-utf8": "^0.2.0"
           }
         },
         "strip-eof": {
@@ -2120,11 +2120,11 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "arrify": "1.0.1",
-            "micromatch": "2.3.11",
-            "object-assign": "4.1.1",
-            "read-pkg-up": "1.0.1",
-            "require-main-filename": "1.0.1"
+            "arrify": "^1.0.1",
+            "micromatch": "^2.3.11",
+            "object-assign": "^4.1.0",
+            "read-pkg-up": "^1.0.1",
+            "require-main-filename": "^1.0.1"
           }
         },
         "to-fast-properties": {
@@ -2143,9 +2143,9 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "source-map": "0.5.6",
-            "uglify-to-browserify": "1.0.2",
-            "yargs": "3.10.0"
+            "source-map": "~0.5.1",
+            "uglify-to-browserify": "~1.0.0",
+            "yargs": "~3.10.0"
           },
           "dependencies": {
             "yargs": {
@@ -2154,9 +2154,9 @@
               "dev": true,
               "optional": true,
               "requires": {
-                "camelcase": "1.2.1",
-                "cliui": "2.1.0",
-                "decamelize": "1.2.0",
+                "camelcase": "^1.0.2",
+                "cliui": "^2.1.0",
+                "decamelize": "^1.0.0",
                 "window-size": "0.1.0"
               }
             }
@@ -2173,8 +2173,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "spdx-correct": "1.0.2",
-            "spdx-expression-parse": "1.0.4"
+            "spdx-correct": "~1.0.0",
+            "spdx-expression-parse": "~1.0.0"
           }
         },
         "which": {
@@ -2182,7 +2182,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "isexe": "2.0.0"
+            "isexe": "^2.0.0"
           }
         },
         "which-module": {
@@ -2206,8 +2206,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "string-width": "1.0.2",
-            "strip-ansi": "3.0.1"
+            "string-width": "^1.0.1",
+            "strip-ansi": "^3.0.1"
           },
           "dependencies": {
             "string-width": {
@@ -2215,9 +2215,9 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "code-point-at": "1.1.0",
-                "is-fullwidth-code-point": "1.0.0",
-                "strip-ansi": "3.0.1"
+                "code-point-at": "^1.0.0",
+                "is-fullwidth-code-point": "^1.0.0",
+                "strip-ansi": "^3.0.0"
               }
             }
           }
@@ -2232,9 +2232,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "graceful-fs": "4.1.11",
-            "imurmurhash": "0.1.4",
-            "slide": "1.1.6"
+            "graceful-fs": "^4.1.11",
+            "imurmurhash": "^0.1.4",
+            "slide": "^1.1.5"
           }
         },
         "y18n": {
@@ -2252,19 +2252,19 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "camelcase": "4.1.0",
-            "cliui": "3.2.0",
-            "decamelize": "1.2.0",
-            "get-caller-file": "1.0.2",
-            "os-locale": "2.0.0",
-            "read-pkg-up": "2.0.0",
-            "require-directory": "2.1.1",
-            "require-main-filename": "1.0.1",
-            "set-blocking": "2.0.0",
-            "string-width": "2.1.0",
-            "which-module": "2.0.0",
-            "y18n": "3.2.1",
-            "yargs-parser": "7.0.0"
+            "camelcase": "^4.1.0",
+            "cliui": "^3.2.0",
+            "decamelize": "^1.1.1",
+            "get-caller-file": "^1.0.1",
+            "os-locale": "^2.0.0",
+            "read-pkg-up": "^2.0.0",
+            "require-directory": "^2.1.1",
+            "require-main-filename": "^1.0.1",
+            "set-blocking": "^2.0.0",
+            "string-width": "^2.0.0",
+            "which-module": "^2.0.0",
+            "y18n": "^3.2.1",
+            "yargs-parser": "^7.0.0"
           },
           "dependencies": {
             "camelcase": {
@@ -2277,9 +2277,9 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "string-width": "1.0.2",
-                "strip-ansi": "3.0.1",
-                "wrap-ansi": "2.1.0"
+                "string-width": "^1.0.1",
+                "strip-ansi": "^3.0.1",
+                "wrap-ansi": "^2.0.0"
               },
               "dependencies": {
                 "string-width": {
@@ -2287,9 +2287,9 @@
                   "bundled": true,
                   "dev": true,
                   "requires": {
-                    "code-point-at": "1.1.0",
-                    "is-fullwidth-code-point": "1.0.0",
-                    "strip-ansi": "3.0.1"
+                    "code-point-at": "^1.0.0",
+                    "is-fullwidth-code-point": "^1.0.0",
+                    "strip-ansi": "^3.0.0"
                   }
                 }
               }
@@ -2299,10 +2299,10 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "graceful-fs": "4.1.11",
-                "parse-json": "2.2.0",
-                "pify": "2.3.0",
-                "strip-bom": "3.0.0"
+                "graceful-fs": "^4.1.2",
+                "parse-json": "^2.2.0",
+                "pify": "^2.0.0",
+                "strip-bom": "^3.0.0"
               }
             },
             "path-type": {
@@ -2310,7 +2310,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "pify": "2.3.0"
+                "pify": "^2.0.0"
               }
             },
             "read-pkg": {
@@ -2318,9 +2318,9 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "load-json-file": "2.0.0",
-                "normalize-package-data": "2.4.0",
-                "path-type": "2.0.0"
+                "load-json-file": "^2.0.0",
+                "normalize-package-data": "^2.3.2",
+                "path-type": "^2.0.0"
               }
             },
             "read-pkg-up": {
@@ -2328,8 +2328,8 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "find-up": "2.1.0",
-                "read-pkg": "2.0.0"
+                "find-up": "^2.0.0",
+                "read-pkg": "^2.0.0"
               }
             },
             "strip-bom": {
@@ -2342,7 +2342,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "camelcase": "4.1.0"
+                "camelcase": "^4.1.0"
               }
             }
           }
@@ -2352,7 +2352,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "camelcase": "3.0.0"
+            "camelcase": "^3.0.0"
           },
           "dependencies": {
             "camelcase": {
@@ -2376,7 +2376,7 @@
       "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
       "dev": true,
       "requires": {
-        "wrappy": "1.0.2"
+        "wrappy": "1"
       }
     },
     "path-is-absolute": {
@@ -2403,7 +2403,7 @@
       "integrity": "sha1-ITXW36ejWMBprJsXh3YogihFD/o=",
       "dev": true,
       "requires": {
-        "pinkie": "2.0.4"
+        "pinkie": "^2.0.0"
       }
     },
     "platform": {
@@ -2436,26 +2436,26 @@
       "integrity": "sha1-Tf5b9r6LjNw3/Pk+BLZVd3InEN4=",
       "dev": true,
       "requires": {
-        "aws-sign2": "0.6.0",
-        "aws4": "1.6.0",
-        "caseless": "0.11.0",
-        "combined-stream": "1.0.5",
-        "extend": "3.0.1",
-        "forever-agent": "0.6.1",
-        "form-data": "2.1.4",
-        "har-validator": "2.0.6",
-        "hawk": "3.1.3",
-        "http-signature": "1.1.1",
-        "is-typedarray": "1.0.0",
-        "isstream": "0.1.2",
-        "json-stringify-safe": "5.0.1",
-        "mime-types": "2.1.16",
-        "oauth-sign": "0.8.2",
-        "qs": "6.3.2",
-        "stringstream": "0.0.5",
-        "tough-cookie": "2.3.2",
-        "tunnel-agent": "0.4.3",
-        "uuid": "3.1.0"
+        "aws-sign2": "~0.6.0",
+        "aws4": "^1.2.1",
+        "caseless": "~0.11.0",
+        "combined-stream": "~1.0.5",
+        "extend": "~3.0.0",
+        "forever-agent": "~0.6.1",
+        "form-data": "~2.1.1",
+        "har-validator": "~2.0.6",
+        "hawk": "~3.1.3",
+        "http-signature": "~1.1.0",
+        "is-typedarray": "~1.0.0",
+        "isstream": "~0.1.2",
+        "json-stringify-safe": "~5.0.1",
+        "mime-types": "~2.1.7",
+        "oauth-sign": "~0.8.1",
+        "qs": "~6.3.0",
+        "stringstream": "~0.0.4",
+        "tough-cookie": "~2.3.0",
+        "tunnel-agent": "~0.4.1",
+        "uuid": "^3.0.0"
       }
     },
     "sntp": {
@@ -2464,7 +2464,7 @@
       "integrity": "sha1-ZUEYTMkK7qbG57NeJlkIJEPGYZg=",
       "dev": true,
       "requires": {
-        "hoek": "2.16.3"
+        "hoek": "2.x.x"
       }
     },
     "sprintf-js": {
@@ -2479,14 +2479,14 @@
       "integrity": "sha1-US322mKHFEMW3EwY/hzx2UBzm+M=",
       "dev": true,
       "requires": {
-        "asn1": "0.2.3",
-        "assert-plus": "1.0.0",
-        "bcrypt-pbkdf": "1.0.1",
-        "dashdash": "1.14.1",
-        "ecc-jsbn": "0.1.1",
-        "getpass": "0.1.7",
-        "jsbn": "0.1.1",
-        "tweetnacl": "0.14.5"
+        "asn1": "~0.2.3",
+        "assert-plus": "^1.0.0",
+        "bcrypt-pbkdf": "^1.0.0",
+        "dashdash": "^1.12.0",
+        "ecc-jsbn": "~0.1.1",
+        "getpass": "^0.1.1",
+        "jsbn": "~0.1.0",
+        "tweetnacl": "~0.14.0"
       },
       "dependencies": {
         "assert-plus": {
@@ -2509,7 +2509,7 @@
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
       "dev": true,
       "requires": {
-        "ansi-regex": "2.1.1"
+        "ansi-regex": "^2.0.0"
       }
     },
     "supports-color": {
@@ -2518,7 +2518,7 @@
       "integrity": "sha1-cqJiiU2dQIuVbKBf83su2KbiotU=",
       "dev": true,
       "requires": {
-        "has-flag": "1.0.0"
+        "has-flag": "^1.0.0"
       }
     },
     "tough-cookie": {
@@ -2527,7 +2527,7 @@
       "integrity": "sha1-8IH3bkyFcg5sN6X6ztc3FQ2EByo=",
       "dev": true,
       "requires": {
-        "punycode": "1.4.1"
+        "punycode": "^1.4.1"
       }
     },
     "tunnel-agent": {
@@ -2561,9 +2561,9 @@
       "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
       "dev": true,
       "requires": {
-        "assert-plus": "1.0.0",
+        "assert-plus": "^1.0.0",
         "core-util-is": "1.0.2",
-        "extsprintf": "1.3.0"
+        "extsprintf": "^1.2.0"
       },
       "dependencies": {
         "assert-plus": {