diff --git a/package-lock.json b/package-lock.json
index c48a356..48ce074 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,10 +4,199 @@
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-					"bundled": true,
-					"dev": true,
-					"requires": {
-						"kind-of": "3.2.2"
-					}
-				},
-				"source-map": {
-					"version": "0.5.7",
-					"bundled": true,
-					"dev": true
-				},
-				"source-map-resolve": {
-					"version": "0.5.1",
-					"bundled": true,
-					"dev": true,
-					"requires": {
-						"atob": "2.1.0",
-						"decode-uri-component": "0.2.0",
-						"resolve-url": "0.2.1",
-						"source-map-url": "0.4.0",
-						"urix": "0.1.0"
-					}
-				},
-				"source-map-url": {
-					"version": "0.4.0",
-					"bundled": true,
-					"dev": true
-				},
-				"spawn-wrap": {
-					"version": "1.4.2",
-					"bundled": true,
-					"dev": true,
-					"requires": {
-						"foreground-child": "1.5.6",
-						"mkdirp": "0.5.1",
-						"os-homedir": "1.0.2",
-						"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,
-					"dev": true
-				},
-				"spdx-expression-parse": {
-					"version": "3.0.0",
-					"bundled": true,
-					"dev": true,
-					"requires": {
-						"spdx-exceptions": "2.1.0",
-						"spdx-license-ids": "3.0.0"
-					}
-				},
-				"spdx-license-ids": {
-					"version": "3.0.0",
-					"bundled": true,
-					"dev": true
-				},
-				"split-string": {
-					"version": "3.1.0",
-					"bundled": true,
-					"dev": true,
-					"requires": {
-						"extend-shallow": "3.0.2"
-					}
-				},
-				"static-extend": {
-					"version": "0.1.2",
-					"bundled": true,
-					"dev": true,
-					"requires": {
-						"define-property": "0.2.5",
-						"object-copy": "0.1.0"
-					},
-					"dependencies": {
-						"define-property": {
-							"version": "0.2.5",
-							"bundled": true,
-							"dev": true,
-							"requires": {
-								"is-descriptor": "0.1.6"
-							}
-						}
-					}
-				},
-				"string-width": {
-					"version": "2.1.1",
-					"bundled": true,
-					"dev": true,
-					"requires": {
-						"is-fullwidth-code-point": "2.0.0",
-						"strip-ansi": "4.0.0"
-					},
-					"dependencies": {
-						"ansi-regex": {
-							"version": "3.0.0",
-							"bundled": true,
-							"dev": true
-						},
-						"strip-ansi": {
-							"version": "4.0.0",
-							"bundled": true,
-							"dev": true,
-							"requires": {
-								"ansi-regex": "3.0.0"
-							}
-						}
-					}
-				},
-				"strip-ansi": {
-					"version": "3.0.1",
-					"bundled": true,
-					"dev": true,
-					"requires": {
-						"ansi-regex": "2.1.1"
-					}
-				},
-				"strip-bom": {
-					"version": "2.0.0",
-					"bundled": true,
-					"dev": true,
-					"requires": {
-						"is-utf8": "0.2.1"
-					}
+				"safe-buffer": {
+					"version": "5.1.2",
+					"bundled": true,
+					"dev": true
 				},
-				"strip-eof": {
-					"version": "1.0.0",
+				"semver": {
+					"version": "5.6.0",
 					"bundled": true,
 					"dev": true
 				},
-				"supports-color": {
+				"set-blocking": {
 					"version": "2.0.0",
 					"bundled": true,
 					"dev": true
 				},
-				"test-exclude": {
-					"version": "4.2.1",
+				"shebang-command": {
+					"version": "1.2.0",
 					"bundled": true,
 					"dev": true,
 					"requires": {
-						"arrify": "1.0.1",
-						"micromatch": "3.1.10",
-						"object-assign": "4.1.1",
-						"read-pkg-up": "1.0.1",
-						"require-main-filename": "1.0.1"
-					},
-					"dependencies": {
-						"arr-diff": {
-							"version": "4.0.0",
-							"bundled": true,
-							"dev": true
-						},
-						"array-unique": {
-							"version": "0.3.2",
-							"bundled": true,
-							"dev": true
-						},
-						"braces": {
-							"version": "2.3.2",
-							"bundled": true,
-							"dev": true,
-							"requires": {
-								"arr-flatten": "1.1.0",
-								"array-unique": "0.3.2",
-								"extend-shallow": "2.0.1",
-								"fill-range": "4.0.0",
-								"isobject": "3.0.1",
-								"repeat-element": "1.1.2",
-								"snapdragon": "0.8.2",
-								"snapdragon-node": "2.1.1",
-								"split-string": "3.1.0",
-								"to-regex": "3.0.2"
-							},
-							"dependencies": {
-								"extend-shallow": {
-									"version": "2.0.1",
-									"bundled": true,
-									"dev": true,
-									"requires": {
-										"is-extendable": "0.1.1"
-									}
-								}
-							}
-						},
-						"expand-brackets": {
-							"version": "2.1.4",
-							"bundled": true,
-							"dev": true,
-							"requires": {
-								"debug": "2.6.9",
-								"define-property": "0.2.5",
-								"extend-shallow": "2.0.1",
-								"posix-character-classes": "0.1.1",
-								"regex-not": "1.0.2",
-								"snapdragon": "0.8.2",
-								"to-regex": "3.0.2"
-							},
-							"dependencies": {
-								"define-property": {
-									"version": "0.2.5",
-									"bundled": true,
-									"dev": true,
-									"requires": {
-										"is-descriptor": "0.1.6"
-									}
-								},
-								"extend-shallow": {
-									"version": "2.0.1",
-									"bundled": true,
-									"dev": true,
-									"requires": {
-										"is-extendable": "0.1.1"
-									}
-								},
-								"is-accessor-descriptor": {
-									"version": "0.1.6",
-									"bundled": true,
-									"dev": true,
-									"requires": {
-										"kind-of": "3.2.2"
-									},
-									"dependencies": {
-										"kind-of": {
-											"version": "3.2.2",
-											"bundled": true,
-											"dev": true,
-											"requires": {
-												"is-buffer": "1.1.6"
-											}
-										}
-									}
-								},
-								"is-data-descriptor": {
-									"version": "0.1.4",
-									"bundled": true,
-									"dev": true,
-									"requires": {
-										"kind-of": "3.2.2"
-									},
-									"dependencies": {
-										"kind-of": {
-											"version": "3.2.2",
-											"bundled": true,
-											"dev": true,
-											"requires": {
-												"is-buffer": "1.1.6"
-											}
-										}
-									}
-								},
-								"is-descriptor": {
-									"version": "0.1.6",
-									"bundled": true,
-									"dev": true,
-									"requires": {
-										"is-accessor-descriptor": "0.1.6",
-										"is-data-descriptor": "0.1.4",
-										"kind-of": "5.1.0"
-									}
-								},
-								"kind-of": {
-									"version": "5.1.0",
-									"bundled": true,
-									"dev": true
-								}
-							}
-						},
-						"extglob": {
-							"version": "2.0.4",
-							"bundled": true,
-							"dev": true,
-							"requires": {
-								"array-unique": "0.3.2",
-								"define-property": "1.0.0",
-								"expand-brackets": "2.1.4",
-								"extend-shallow": "2.0.1",
-								"fragment-cache": "0.2.1",
-								"regex-not": "1.0.2",
-								"snapdragon": "0.8.2",
-								"to-regex": "3.0.2"
-							},
-							"dependencies": {
-								"define-property": {
-									"version": "1.0.0",
-									"bundled": true,
-									"dev": true,
-									"requires": {
-										"is-descriptor": "1.0.2"
-									}
-								},
-								"extend-shallow": {
-									"version": "2.0.1",
-									"bundled": true,
-									"dev": true,
-									"requires": {
-										"is-extendable": "0.1.1"
-									}
-								}
-							}
-						},
-						"fill-range": {
-							"version": "4.0.0",
-							"bundled": true,
-							"dev": true,
-							"requires": {
-								"extend-shallow": "2.0.1",
-								"is-number": "3.0.0",
-								"repeat-string": "1.6.1",
-								"to-regex-range": "2.1.1"
-							},
-							"dependencies": {
-								"extend-shallow": {
-									"version": "2.0.1",
-									"bundled": true,
-									"dev": true,
-									"requires": {
-										"is-extendable": "0.1.1"
-									}
-								}
-							}
-						},
-						"is-accessor-descriptor": {
-							"version": "1.0.0",
-							"bundled": true,
-							"dev": true,
-							"requires": {
-								"kind-of": "6.0.2"
-							}
-						},
-						"is-data-descriptor": {
-							"version": "1.0.0",
-							"bundled": true,
-							"dev": true,
-							"requires": {
-								"kind-of": "6.0.2"
-							}
-						},
-						"is-descriptor": {
-							"version": "1.0.2",
-							"bundled": true,
-							"dev": true,
-							"requires": {
-								"is-accessor-descriptor": "1.0.0",
-								"is-data-descriptor": "1.0.0",
-								"kind-of": "6.0.2"
-							}
-						},
-						"is-number": {
-							"version": "3.0.0",
-							"bundled": true,
-							"dev": true,
-							"requires": {
-								"kind-of": "3.2.2"
-							},
-							"dependencies": {
-								"kind-of": {
-									"version": "3.2.2",
-									"bundled": true,
-									"dev": true,
-									"requires": {
-										"is-buffer": "1.1.6"
-									}
-								}
-							}
-						},
-						"isobject": {
-							"version": "3.0.1",
-							"bundled": true,
-							"dev": true
-						},
-						"kind-of": {
-							"version": "6.0.2",
-							"bundled": true,
-							"dev": true
-						},
-						"micromatch": {
-							"version": "3.1.10",
-							"bundled": true,
-							"dev": true,
-							"requires": {
-								"arr-diff": "4.0.0",
-								"array-unique": "0.3.2",
-								"braces": "2.3.2",
-								"define-property": "2.0.2",
-								"extend-shallow": "3.0.2",
-								"extglob": "2.0.4",
-								"fragment-cache": "0.2.1",
-								"kind-of": "6.0.2",
-								"nanomatch": "1.2.9",
-								"object.pick": "1.3.0",
-								"regex-not": "1.0.2",
-								"snapdragon": "0.8.2",
-								"to-regex": "3.0.2"
-							}
-						}
+						"shebang-regex": "1.0.0"
 					}
 				},
-				"to-fast-properties": {
-					"version": "1.0.3",
+				"shebang-regex": {
+					"version": "1.0.0",
+					"bundled": true,
+					"dev": true
+				},
+				"signal-exit": {
+					"version": "3.0.2",
 					"bundled": true,
 					"dev": true
 				},
-				"to-object-path": {
-					"version": "0.3.0",
+				"spawn-wrap": {
+					"version": "1.4.2",
 					"bundled": true,
 					"dev": true,
 					"requires": {
-						"kind-of": "3.2.2"
+						"foreground-child": "1.5.6",
+						"mkdirp": "0.5.1",
+						"os-homedir": "1.0.2",
+						"rimraf": "2.6.3",
+						"signal-exit": "3.0.2",
+						"which": "1.3.1"
 					}
 				},
-				"to-regex": {
-					"version": "3.0.2",
+				"spdx-correct": {
+					"version": "3.1.0",
 					"bundled": true,
 					"dev": true,
 					"requires": {
-						"define-property": "2.0.2",
-						"extend-shallow": "3.0.2",
-						"regex-not": "1.0.2",
-						"safe-regex": "1.1.0"
+						"spdx-expression-parse": "3.0.0",
+						"spdx-license-ids": "3.0.3"
 					}
 				},
-				"to-regex-range": {
-					"version": "2.1.1",
+				"spdx-exceptions": {
+					"version": "2.2.0",
+					"bundled": true,
+					"dev": true
+				},
+				"spdx-expression-parse": {
+					"version": "3.0.0",
 					"bundled": true,
 					"dev": true,
 					"requires": {
-						"is-number": "3.0.0",
-						"repeat-string": "1.6.1"
-					},
-					"dependencies": {
-						"is-number": {
-							"version": "3.0.0",
-							"bundled": true,
-							"dev": true,
-							"requires": {
-								"kind-of": "3.2.2"
-							}
-						}
+						"spdx-exceptions": "2.2.0",
+						"spdx-license-ids": "3.0.3"
 					}
 				},
-				"trim-right": {
-					"version": "1.0.1",
+				"spdx-license-ids": {
+					"version": "3.0.3",
 					"bundled": true,
 					"dev": true
 				},
-				"uglify-js": {
-					"version": "2.8.29",
+				"string-width": {
+					"version": "2.1.1",
 					"bundled": true,
 					"dev": true,
-					"optional": true,
 					"requires": {
-						"source-map": "0.5.7",
-						"uglify-to-browserify": "1.0.2",
-						"yargs": "3.10.0"
-					},
-					"dependencies": {
-						"yargs": {
-							"version": "3.10.0",
-							"bundled": true,
-							"dev": true,
-							"optional": true,
-							"requires": {
-								"camelcase": "1.2.1",
-								"cliui": "2.1.0",
-								"decamelize": "1.2.0",
-								"window-size": "0.1.0"
-							}
-						}
+						"is-fullwidth-code-point": "2.0.0",
+						"strip-ansi": "4.0.0"
 					}
 				},
-				"uglify-to-browserify": {
-					"version": "1.0.2",
+				"strip-ansi": {
+					"version": "4.0.0",
 					"bundled": true,
 					"dev": true,
-					"optional": true
+					"requires": {
+						"ansi-regex": "3.0.0"
+					}
+				},
+				"strip-bom": {
+					"version": "3.0.0",
+					"bundled": true,
+					"dev": true
 				},
-				"union-value": {
+				"strip-eof": {
 					"version": "1.0.0",
 					"bundled": true,
+					"dev": true
+				},
+				"test-exclude": {
+					"version": "5.1.0",
+					"bundled": true,
 					"dev": true,
 					"requires": {
-						"arr-union": "3.1.0",
-						"get-value": "2.0.6",
-						"is-extendable": "0.1.1",
-						"set-value": "0.4.3"
-					},
-					"dependencies": {
-						"extend-shallow": {
-							"version": "2.0.1",
-							"bundled": true,
-							"dev": true,
-							"requires": {
-								"is-extendable": "0.1.1"
-							}
-						},
-						"set-value": {
-							"version": "0.4.3",
-							"bundled": true,
-							"dev": true,
-							"requires": {
-								"extend-shallow": "2.0.1",
-								"is-extendable": "0.1.1",
-								"is-plain-object": "2.0.4",
-								"to-object-path": "0.3.0"
-							}
-						}
+						"arrify": "1.0.1",
+						"minimatch": "3.0.4",
+						"read-pkg-up": "4.0.0",
+						"require-main-filename": "1.0.1"
 					}
 				},
-				"unset-value": {
-					"version": "1.0.0",
+				"uglify-js": {
+					"version": "3.4.9",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
-						"has-value": "0.3.1",
-						"isobject": "3.0.1"
+						"commander": "2.17.1",
+						"source-map": "0.6.1"
 					},
 					"dependencies": {
-						"has-value": {
-							"version": "0.3.1",
+						"source-map": {
+							"version": "0.6.1",
 							"bundled": true,
 							"dev": true,
-							"requires": {
-								"get-value": "2.0.6",
-								"has-values": "0.1.4",
-								"isobject": "2.1.0"
-							},
-							"dependencies": {
-								"isobject": {
-									"version": "2.1.0",
-									"bundled": true,
-									"dev": true,
-									"requires": {
-										"isarray": "1.0.0"
-									}
-								}
-							}
-						},
-						"has-values": {
-							"version": "0.1.4",
-							"bundled": true,
-							"dev": true
-						},
-						"isobject": {
-							"version": "3.0.1",
-							"bundled": true,
-							"dev": true
+							"optional": true
 						}
 					}
 				},
-				"urix": {
-					"version": "0.1.0",
+				"uuid": {
+					"version": "3.3.2",
 					"bundled": true,
 					"dev": true
 				},
-				"use": {
-					"version": "3.1.0",
-					"bundled": true,
-					"dev": true,
-					"requires": {
-						"kind-of": "6.0.2"
-					},
-					"dependencies": {
-						"kind-of": {
-							"version": "6.0.2",
-							"bundled": true,
-							"dev": true
-						}
-					}
-				},
 				"validate-npm-package-license": {
-					"version": "3.0.3",
+					"version": "3.0.4",
 					"bundled": true,
 					"dev": true,
 					"requires": {
-						"spdx-correct": "3.0.0",
+						"spdx-correct": "3.1.0",
 						"spdx-expression-parse": "3.0.0"
 					}
 				},
 				"which": {
-					"version": "1.3.0",
+					"version": "1.3.1",
 					"bundled": true,
 					"dev": true,
 					"requires": {
@@ -7198,12 +5963,6 @@
 					"bundled": true,
 					"dev": true
 				},
-				"window-size": {
-					"version": "0.1.0",
-					"bundled": true,
-					"dev": true,
-					"optional": true
-				},
 				"wordwrap": {
 					"version": "0.0.3",
 					"bundled": true,
@@ -7218,6 +5977,11 @@
 						"strip-ansi": "3.0.1"
 					},
 					"dependencies": {
+						"ansi-regex": {
+							"version": "2.1.1",
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+					"dev": true,
+					"requires": {
+						"pinkie-promise": "2.0.1"
+					}
+				},
+				"path-type": {
+					"version": "1.1.0",
+					"resolved": "https://registry.npmjs.org/path-type/-/path-type-1.1.0.tgz",
+					"integrity": "sha1-WcRPfuSR2nBNpBXaWkBwuk+P5EE=",
+					"dev": true,
+					"requires": {
+						"graceful-fs": "4.1.11",
+						"pify": "2.3.0",
+						"pinkie-promise": "2.0.1"
+					}
+				},
+				"pify": {
+					"version": "2.3.0",
+					"resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+					"integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
+					"dev": true
+				},
+				"read-pkg": {
+					"version": "1.1.0",
+					"resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-1.1.0.tgz",
+					"integrity": "sha1-9f+qXs0pyzHAR0vKfXVra7KePyg=",
+					"dev": true,
+					"requires": {
+						"load-json-file": "1.1.0",
+						"normalize-package-data": "2.4.0",
+						"path-type": "1.1.0"
+					}
+				},
+				"read-pkg-up": {
+					"version": "1.0.1",
+					"resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-1.0.1.tgz",
+					"integrity": "sha1-nWPBMnbAZZGNV/ACpX9AobZD+wI=",
+					"dev": true,
+					"requires": {
+						"find-up": "1.1.2",
+						"read-pkg": "1.1.0"
+					}
+				},
+				"strip-bom": {
+					"version": "2.0.0",
+					"resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-2.0.0.tgz",
+					"integrity": "sha1-YhmoVhZSBJHzV4i9vxRHqZx+aw4=",
+					"dev": true,
+					"requires": {
+						"is-utf8": "0.2.1"
+					}
+				}
 			}
 		},
 		"yargs-parser": {
diff --git a/package.json b/package.json
index 6cef147..4a448d5 100644
--- a/package.json
+++ b/package.json
@@ -39,13 +39,13 @@
 	"repository": "https://github.com/rrainn/scriptutils",
 	"devDependencies": {
 		"babel-core": "^6.26.0",
-		"babel-plugin-istanbul": "^4.1.6",
+		"babel-plugin-istanbul": "^5.1.0",
 		"babel-plugin-transform-object-rest-spread": "^6.26.0",
 		"babel-preset-es2015": "^6.24.1",
 		"babelify": "^8.0.0",
-		"browserify": "^16.2.0",
-		"browserstack-runner": "^0.7.0",
-		"chai": "^4.1.2",
+		"browserify": "^16.2.3",
+		"browserstack-runner": "^0.9.0",
+		"chai": "^4.2.0",
 		"coveralls": "^3.0.0",
 		"gulp": "^4.0.0",
 		"gulp-babel": "^7.0.1",
@@ -54,7 +54,7 @@
 		"istanbul": "^0.4.5",
 		"mocha": "^5.1.1",
 		"mocha-lcov-reporter": "^1.3.0",
-		"nyc": "^11.7.1",
+		"nyc": "^13.2.0",
 		"vinyl-buffer": "^1.0.1",
 		"vinyl-source-stream": "^2.0.0"
 	},