diff --git a/README.md b/README.md
index 881fab6e..20b7f573 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ mithril.js [![NPM Version](https://img.shields.io/npm/v/mithril.svg)](https://ww
 
 ## What is Mithril?
 
-A modern client-side Javascript framework for building Single Page Applications. It's small (<!-- size -->8.89 KB<!-- /size --> gzipped), fast and provides routing and XHR utilities out of the box.
+A modern client-side Javascript framework for building Single Page Applications. It's small (<!-- size -->8.91 KB<!-- /size --> gzipped), fast and provides routing and XHR utilities out of the box.
 
 Mithril is used by companies like Vimeo and Nike, and open source platforms like Lichess 👍.
 
diff --git a/mithril.js b/mithril.js
index b8a7e104..51792eb7 100644
--- a/mithril.js
+++ b/mithril.js
@@ -435,6 +435,15 @@ var coreRenderer = function($window) {
 			checkState(vnode, original)
 		}
 	}
+	// IE9 - IE11 (at least) throw an UnspecifiedError when accessing document.activeElement when
+	// inside an iframe. Catch and swallow this error1, and heavy-handidly return null.
+	function activeElement() {
+		try {
+			return $doc.activeElement
+		} catch (e) {
+			return null
+		}
+	}
 	//create
 	function createNodes(parent, vnodes, start, end, hooks, nextSibling, ns) {
 		for (var i = start; i < end; i++) {
@@ -1065,7 +1074,7 @@ var coreRenderer = function($window) {
 				// Only do the coercion if we're actually going to check the value.
 				/* eslint-disable no-implicit-coercion */
 				//setting input[value] to same value by typing on focused element moves cursor to end in Chrome
-				if ((vnode.tag === "input" || vnode.tag === "textarea") && vnode.dom.value === "" + value && vnode.dom === $doc.activeElement) return
+				if ((vnode.tag === "input" || vnode.tag === "textarea") && vnode.dom.value === "" + value && vnode.dom === activeElement()) return
 				//setting select[value] to same value while having select open blinks select dropdown in Chrome
 				if (vnode.tag === "select" && old !== null && vnode.dom.value === "" + value) return
 				//setting option[value] to same value while having select open blinks select dropdown in Chrome
@@ -1090,7 +1099,10 @@ var coreRenderer = function($window) {
 		else if (
 			hasPropertyKey(vnode, key2, ns)
 			&& key2 !== "className"
-			&& !(vnode.tag === "option" && key2 === "value")
+			&& !(key2 === "value" && (
+				vnode.tag === "option"
+				|| vnode.tag === "select" && vnode.dom.selectedIndex === -1 && vnode.dom === activeElement()
+			))
 			&& !(vnode.tag === "input" && key2 === "type")
 		) {
 			vnode.dom[key2] = null
@@ -1129,7 +1141,7 @@ var coreRenderer = function($window) {
 		}
 	}
 	function isFormAttribute(vnode, attr) {
-		return attr === "value" || attr === "checked" || attr === "selectedIndex" || attr === "selected" && vnode.dom === $doc.activeElement || vnode.tag === "option" && vnode.dom.parentNode === $doc.activeElement
+		return attr === "value" || attr === "checked" || attr === "selectedIndex" || attr === "selected" && vnode.dom === activeElement() || vnode.tag === "option" && vnode.dom.parentNode === $doc.activeElement
 	}
 	function isLifecycleMethod(attr) {
 		return attr === "oninit" || attr === "oncreate" || attr === "onupdate" || attr === "onremove" || attr === "onbeforeremove" || attr === "onbeforeupdate"
@@ -1236,7 +1248,7 @@ var coreRenderer = function($window) {
 	function render(dom, vnodes) {
 		if (!dom) throw new Error("Ensure the DOM element being passed to m.route/m.mount/m.render is not undefined.")
 		var hooks = []
-		var active = $doc.activeElement
+		var active = activeElement()
 		var namespace = dom.namespaceURI
 		// First time rendering0 into a node clears it out
 		if (dom.vnodes == null) dom.textContent = ""
@@ -1244,7 +1256,7 @@ var coreRenderer = function($window) {
 		updateNodes(dom, dom.vnodes, vnodes, hooks, null, namespace === "http://www.w3.org/1999/xhtml" ? undefined : namespace)
 		dom.vnodes = vnodes
 		// document.activeElement can return null in IE https://developer.mozilla.org/en-US/docs/Web/API/Document/activeElement
-		if (active != null && $doc.activeElement !== active && typeof active.focus === "function") active.focus()
+		if (active != null && activeElement() !== active && typeof active.focus === "function") active.focus()
 		for (var i = 0; i < hooks.length; i++) hooks[i]()
 	}
 	return {render: render, setEventCallback: setEventCallback}
diff --git a/mithril.min.js b/mithril.min.js
index e085aa04..6b886b4e 100644
--- a/mithril.min.js
+++ b/mithril.min.js
@@ -1 +1 @@
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diff --git a/package-lock.json b/package-lock.json
index f6487501..ab8267fe 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -22,7 +22,7 @@
       "integrity": "sha1-r9+UiPsezvyDSPb7IvRk4ypYs2s=",
       "dev": true,
       "requires": {
-        "acorn": "3.3.0"
+        "acorn": "^3.0.4"
       },
       "dependencies": {
         "acorn": {
@@ -39,8 +39,8 @@
       "integrity": "sha1-gv+wKynmYq5TvcIK8VlHcGc5xTY=",
       "dev": true,
       "requires": {
-        "co": "4.6.0",
-        "json-stable-stringify": "1.0.1"
+        "co": "^4.6.0",
+        "json-stable-stringify": "^1.0.1"
       }
     },
     "ajv-keywords": {
@@ -55,9 +55,9 @@
       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "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": {
@@ -96,7 +96,7 @@
       "integrity": "sha1-c9g7wmP4bpf4zE9rrhsOkKfSLIY=",
       "dev": true,
       "requires": {
-        "sprintf-js": "1.0.3"
+        "sprintf-js": "~1.0.2"
       }
     },
     "array-union": {
@@ -105,7 +105,7 @@
       "integrity": "sha1-mjRBDk9OPaI96jdb5b5w8kd47Dk=",
       "dev": true,
       "requires": {
-        "array-uniq": "1.0.3"
+        "array-uniq": "^1.0.1"
       }
     },
     "array-uniq": {
@@ -126,7 +126,7 @@
       "integrity": "sha1-YSpKtF70KnDN6Aa62G7m2wR+g4U=",
       "dev": true,
       "requires": {
-        "lodash": "4.17.4"
+        "lodash": "^4.14.0"
       }
     },
     "babel-code-frame": {
@@ -135,9 +135,9 @@
       "integrity": "sha1-AnYgvuVnqIwyVhV05/0IAdMxGOQ=",
       "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"
       }
     },
     "balanced-match": {
@@ -152,8 +152,8 @@
       "integrity": "sha1-CfPeMckWQl1JjMLuVloOvzwqVik=",
       "dev": true,
       "requires": {
-        "lodash": "4.17.4",
-        "platform": "1.3.4"
+        "lodash": "^4.17.4",
+        "platform": "^1.3.3"
       }
     },
     "brace-expansion": {
@@ -162,7 +162,7 @@
       "integrity": "sha1-wHshHHyVLsH479Uad+8NHTmQopI=",
       "dev": true,
       "requires": {
-        "balanced-match": "1.0.0",
+        "balanced-match": "^1.0.0",
         "concat-map": "0.0.1"
       }
     },
@@ -172,7 +172,7 @@
       "integrity": "sha1-lAhe9jWB7NPaqSREqP6U6CV3dR8=",
       "dev": true,
       "requires": {
-        "callsites": "0.2.0"
+        "callsites": "^0.2.0"
       }
     },
     "callsites": {
@@ -188,8 +188,8 @@
       "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": {
@@ -198,11 +198,11 @@
       "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"
       }
     },
     "circular-json": {
@@ -217,7 +217,7 @@
       "integrity": "sha1-ZNo/fValRBLll5S9Ytw1KV6PKYc=",
       "dev": true,
       "requires": {
-        "restore-cursor": "1.0.1"
+        "restore-cursor": "^1.0.1"
       }
     },
     "cli-spinners": {
@@ -233,7 +233,7 @@
       "dev": true,
       "requires": {
         "slice-ansi": "0.0.4",
-        "string-width": "1.0.2"
+        "string-width": "^1.0.1"
       }
     },
     "cli-width": {
@@ -281,9 +281,9 @@
       "integrity": "sha1-CqxmL9Ur54lk1VMvaUeE5wEQrPc=",
       "dev": true,
       "requires": {
-        "inherits": "2.0.3",
-        "readable-stream": "2.3.3",
-        "typedarray": "0.0.6"
+        "inherits": "^2.0.3",
+        "readable-stream": "^2.2.2",
+        "typedarray": "^0.0.6"
       }
     },
     "core-util-is": {
@@ -298,14 +298,14 @@
       "integrity": "sha1-DeoPmATv37kp+7GxiOJVU+oFPTc=",
       "dev": true,
       "requires": {
-        "graceful-fs": "4.1.11",
-        "js-yaml": "3.9.0",
-        "minimist": "1.2.0",
-        "object-assign": "4.1.1",
-        "os-homedir": "1.0.2",
-        "parse-json": "2.2.0",
-        "pinkie-promise": "2.0.1",
-        "require-from-string": "1.2.1"
+        "graceful-fs": "^4.1.2",
+        "js-yaml": "^3.4.3",
+        "minimist": "^1.2.0",
+        "object-assign": "^4.0.1",
+        "os-homedir": "^1.0.1",
+        "parse-json": "^2.2.0",
+        "pinkie-promise": "^2.0.0",
+        "require-from-string": "^1.1.0"
       },
       "dependencies": {
         "minimist": {
@@ -322,9 +322,9 @@
       "integrity": "sha1-6L0O/uWPz/b4+UUQoKVUu/ojVEk=",
       "dev": true,
       "requires": {
-        "lru-cache": "4.1.1",
-        "shebang-command": "1.2.0",
-        "which": "1.2.14"
+        "lru-cache": "^4.0.1",
+        "shebang-command": "^1.2.0",
+        "which": "^1.2.9"
       }
     },
     "d": {
@@ -333,7 +333,7 @@
       "integrity": "sha1-dUu1v+VUUdpppYuU1F9MWwRi1Y8=",
       "dev": true,
       "requires": {
-        "es5-ext": "0.10.24"
+        "es5-ext": "^0.10.9"
       }
     },
     "date-fns": {
@@ -376,13 +376,13 @@
       "integrity": "sha1-wSyYHQZ4RshLyvhiz/kw2Qf/0ag=",
       "dev": true,
       "requires": {
-        "globby": "5.0.0",
-        "is-path-cwd": "1.0.0",
-        "is-path-in-cwd": "1.0.0",
-        "object-assign": "4.1.1",
-        "pify": "2.3.0",
-        "pinkie-promise": "2.0.1",
-        "rimraf": "2.6.1"
+        "globby": "^5.0.0",
+        "is-path-cwd": "^1.0.0",
+        "is-path-in-cwd": "^1.0.0",
+        "object-assign": "^4.0.1",
+        "pify": "^2.0.0",
+        "pinkie-promise": "^2.0.0",
+        "rimraf": "^2.2.8"
       }
     },
     "doctrine": {
@@ -391,8 +391,8 @@
       "integrity": "sha1-xz2NKQnSIpHhoAejlYBNqLZl/mM=",
       "dev": true,
       "requires": {
-        "esutils": "2.0.2",
-        "isarray": "1.0.0"
+        "esutils": "^2.0.2",
+        "isarray": "^1.0.0"
       }
     },
     "elegant-spinner": {
@@ -407,7 +407,7 @@
       "integrity": "sha1-+FWobOYa3E6GIcPNoh56dhLDqNw=",
       "dev": true,
       "requires": {
-        "is-arrayish": "0.2.1"
+        "is-arrayish": "^0.2.1"
       }
     },
     "es5-ext": {
@@ -416,8 +416,8 @@
       "integrity": "sha1-pVh3yZJLwMjZvTwsvhdJWsFwmxQ=",
       "dev": true,
       "requires": {
-        "es6-iterator": "2.0.1",
-        "es6-symbol": "3.1.1"
+        "es6-iterator": "2",
+        "es6-symbol": "~3.1"
       }
     },
     "es6-iterator": {
@@ -426,9 +426,9 @@
       "integrity": "sha1-jjGcnwRTv1ddN0lAplWSDlnKVRI=",
       "dev": true,
       "requires": {
-        "d": "1.0.0",
-        "es5-ext": "0.10.24",
-        "es6-symbol": "3.1.1"
+        "d": "1",
+        "es5-ext": "^0.10.14",
+        "es6-symbol": "^3.1"
       }
     },
     "es6-map": {
@@ -437,12 +437,12 @@
       "integrity": "sha1-kTbgUD3MBqMBaQ8LsU/042TpSfA=",
       "dev": true,
       "requires": {
-        "d": "1.0.0",
-        "es5-ext": "0.10.24",
-        "es6-iterator": "2.0.1",
-        "es6-set": "0.1.5",
-        "es6-symbol": "3.1.1",
-        "event-emitter": "0.3.5"
+        "d": "1",
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@@ -451,11 +451,11 @@
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@@ -464,8 +464,8 @@
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       "dev": true,
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+        "d": "1",
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@@ -474,10 +474,10 @@
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+        "es6-iterator": "^2.0.1",
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@@ -492,11 +492,11 @@
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-        "optionator": "0.8.2",
-        "source-map": "0.2.0"
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@@ -505,10 +505,10 @@
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@@ -525,41 +525,41 @@
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-        "text-table": "0.2.0",
-        "user-home": "2.0.0"
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+        "chalk": "^1.1.3",
+        "concat-stream": "^1.5.2",
+        "debug": "^2.1.1",
+        "doctrine": "^2.0.0",
+        "escope": "^3.6.0",
+        "espree": "^3.4.0",
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+        "estraverse": "^4.2.0",
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+        "glob": "^7.0.3",
+        "globals": "^9.14.0",
+        "ignore": "^3.2.0",
+        "imurmurhash": "^0.1.4",
+        "inquirer": "^0.12.0",
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+        "is-resolvable": "^1.0.0",
+        "js-yaml": "^3.5.1",
+        "json-stable-stringify": "^1.0.0",
+        "levn": "^0.3.0",
+        "lodash": "^4.0.0",
+        "mkdirp": "^0.5.0",
+        "natural-compare": "^1.4.0",
+        "optionator": "^0.8.2",
+        "path-is-inside": "^1.0.1",
+        "pluralize": "^1.2.1",
+        "progress": "^1.1.8",
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+        "strip-bom": "^3.0.0",
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+        "table": "^3.7.8",
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@@ -576,8 +576,8 @@
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-        "acorn-jsx": "3.0.1"
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@@ -600,7 +600,7 @@
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@@ -617,8 +617,8 @@
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-        "estraverse": "4.2.0",
-        "object-assign": "4.1.1"
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@@ -647,8 +647,8 @@
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-        "d": "1.0.0",
-        "es5-ext": "0.10.24"
+        "d": "1",
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@@ -669,8 +669,8 @@
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-        "object-assign": "4.1.1"
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@@ -679,8 +679,8 @@
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-        "flat-cache": "1.2.2",
-        "object-assign": "4.1.1"
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@@ -689,10 +689,10 @@
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-        "del": "2.2.2",
-        "graceful-fs": "4.1.11",
-        "write": "0.2.1"
+        "circular-json": "^0.3.1",
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@@ -713,7 +713,7 @@
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       "dev": true,
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@@ -730,11 +730,11 @@
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-        "rimraf": "2.6.1"
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@@ -743,7 +743,7 @@
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           "dev": true,
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-            "graceful-readlink": "1.0.1"
+            "graceful-readlink": ">= 1.0.0"
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@@ -752,11 +752,11 @@
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-            "object-assign": "4.1.1",
-            "pify": "2.3.0",
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+            "object-assign": "^4.0.1",
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@@ -773,12 +773,12 @@
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-        "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"
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@@ -793,12 +793,12 @@
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-        "glob": "7.1.2",
-        "object-assign": "4.1.1",
-        "pify": "2.3.0",
-        "pinkie-promise": "2.0.1"
+        "array-union": "^1.0.1",
+        "arrify": "^1.0.0",
+        "glob": "^7.0.3",
+        "object-assign": "^4.0.1",
+        "pify": "^2.0.0",
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@@ -819,10 +819,10 @@
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-        "optimist": "0.6.1",
-        "source-map": "0.4.4",
-        "uglify-js": "2.8.29"
+        "async": "^1.4.0",
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@@ -837,7 +837,7 @@
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           "dev": true,
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-            "amdefine": "1.0.1"
+            "amdefine": ">=0.0.4"
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@@ -848,7 +848,7 @@
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       "dev": true,
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-        "ansi-regex": "2.1.1"
+        "ansi-regex": "^2.0.0"
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@@ -869,7 +869,7 @@
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       "dev": true,
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@@ -878,8 +878,8 @@
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       "dev": true,
       "requires": {
-        "once": "1.4.0",
-        "wrappy": "1.0.2"
+        "once": "^1.3.0",
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@@ -894,19 +894,19 @@
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-        "rx-lite": "3.1.2",
-        "string-width": "1.0.2",
-        "strip-ansi": "3.0.1",
-        "through": "2.3.8"
+        "ansi-escapes": "^1.1.0",
+        "ansi-regex": "^2.0.0",
+        "chalk": "^1.0.0",
+        "cli-cursor": "^1.0.1",
+        "cli-width": "^2.0.0",
+        "figures": "^1.3.5",
+        "lodash": "^4.3.0",
+        "readline2": "^1.0.1",
+        "run-async": "^0.1.0",
+        "rx-lite": "^3.1.2",
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.0",
+        "through": "^2.3.6"
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@@ -933,7 +933,7 @@
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       "dev": true,
       "requires": {
-        "number-is-nan": "1.0.1"
+        "number-is-nan": "^1.0.0"
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@@ -942,7 +942,7 @@
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       "dev": true,
       "requires": {
-        "number-is-nan": "1.0.1"
+        "number-is-nan": "^1.0.0"
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     "is-my-json-valid": {
@@ -951,10 +951,10 @@
       "integrity": "sha1-8Hndm/2uZe4gOKrorLyGqxCeNpM=",
       "dev": true,
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-        "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"
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@@ -969,7 +969,7 @@
       "integrity": "sha1-ZHdYK4IU1gI0YJRWcAO+ip6sBNw=",
       "dev": true,
       "requires": {
-        "is-path-inside": "1.0.0"
+        "is-path-inside": "^1.0.0"
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@@ -978,7 +978,7 @@
       "integrity": "sha1-/AbloWg/vaE95mev9xe7wQpI838=",
       "dev": true,
       "requires": {
-        "path-is-inside": "1.0.2"
+        "path-is-inside": "^1.0.1"
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@@ -999,7 +999,7 @@
       "integrity": "sha1-jfV8YeouPFAUCNEA+wE8+NbgzGI=",
       "dev": true,
       "requires": {
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+        "tryit": "^1.0.1"
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@@ -1026,20 +1026,20 @@
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       "dev": true,
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-        "async": "1.5.2",
-        "escodegen": "1.8.1",
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-        "handlebars": "4.0.10",
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-        "mkdirp": "0.5.1",
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-        "resolve": "1.1.7",
-        "supports-color": "3.2.3",
-        "which": "1.2.14",
-        "wordwrap": "1.0.0"
+        "abbrev": "1.0.x",
+        "async": "1.x",
+        "escodegen": "1.8.x",
+        "esprima": "2.7.x",
+        "glob": "^5.0.15",
+        "handlebars": "^4.0.1",
+        "js-yaml": "3.x",
+        "mkdirp": "0.5.x",
+        "nopt": "3.x",
+        "once": "1.x",
+        "resolve": "1.1.x",
+        "supports-color": "^3.1.0",
+        "which": "^1.1.1",
+        "wordwrap": "^1.0.0"
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@@ -1060,11 +1060,11 @@
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-            "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",
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@@ -1079,7 +1079,7 @@
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           "dev": true,
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+            "has-flag": "^1.0.0"
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@@ -1104,8 +1104,8 @@
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       "dev": true,
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-        "argparse": "1.0.9",
-        "esprima": "4.0.0"
+        "argparse": "^1.0.7",
+        "esprima": "^4.0.0"
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@@ -1122,7 +1122,7 @@
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       "dev": true,
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-        "jsonify": "0.0.0"
+        "jsonify": "~0.0.0"
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@@ -1143,7 +1143,7 @@
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       "dev": true,
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-        "is-buffer": "1.1.5"
+        "is-buffer": "^1.1.5"
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@@ -1159,8 +1159,8 @@
       "integrity": "sha1-OwmSTt+fCDwEkP3UwLxEIeBHZO4=",
       "dev": true,
       "requires": {
-        "prelude-ls": "1.1.2",
-        "type-check": "0.3.2"
+        "prelude-ls": "~1.1.2",
+        "type-check": "~0.3.2"
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@@ -1169,14 +1169,14 @@
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-        "execa": "0.8.0",
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-        "lodash.chunk": "4.2.0",
-        "minimatch": "3.0.4",
-        "npm-which": "3.0.1",
-        "p-map": "1.1.1",
+        "app-root-path": "^2.0.0",
+        "cosmiconfig": "^1.1.0",
+        "execa": "^0.8.0",
+        "listr": "^0.12.0",
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@@ -1725,7 +1725,7 @@
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@@ -1773,7 +1773,7 @@
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@@ -1788,9 +1788,9 @@
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+        "glob": "^7.0.0",
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@@ -1812,7 +1812,7 @@
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@@ -1859,7 +1859,7 @@
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@@ -1898,12 +1898,12 @@
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-        "chalk": "1.1.3",
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@@ -1934,7 +1934,7 @@
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@@ -1963,7 +1963,7 @@
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@@ -2022,8 +2022,8 @@
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@@ -2055,9 +2055,9 @@
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-            "decamelize": "1.2.0",
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@@ -2082,7 +2082,7 @@
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@@ -2124,7 +2124,7 @@
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