Actually fix CSSOM.CSSStyleSheet.prototype.insertRule

Fixes #40

Author: NV

lib/CSSStyleSheet.js

@@ -40,7 +40,8 @@ CSSOM.CSSStyleSheet.prototype.insertRule = function(rule, index) {
 	if (index < 0 || index > this.cssRules.length) {
 		throw new RangeError("INDEX_SIZE_ERR");
 	}
-	this.cssRules.splice(index, 0, require('./parse').parse(rule));
+	var cssRule = CSSOM.parse(rule).cssRules[0];
+	this.cssRules.splice(index, 0, cssRule);
 	return index;
 };
 
@@ -82,4 +83,5 @@ CSSOM.CSSStyleSheet.prototype.toString = function() {
 
 //.CommonJS
 exports.CSSStyleSheet = CSSOM.CSSStyleSheet;
+CSSOM.parse = require('./parse').parse; // Cannot be included sooner due to the mutual dependency between parse.js and CSSStyleSheet.js
 ///CommonJS

lib/parse.js

@@ -1,14 +1,5 @@
 //.CommonJS
-var CSSOM = {
-	CSSStyleSheet: require("./CSSStyleSheet").CSSStyleSheet,
-	CSSStyleRule: require("./CSSStyleRule").CSSStyleRule,
-	CSSImportRule: require("./CSSImportRule").CSSImportRule,
-	CSSMediaRule: require("./CSSMediaRule").CSSMediaRule,
-	CSSFontFaceRule: require("./CSSFontFaceRule").CSSFontFaceRule,
-	CSSStyleDeclaration: require('./CSSStyleDeclaration').CSSStyleDeclaration,
-	CSSKeyframeRule: require('./CSSKeyframeRule').CSSKeyframeRule,
-	CSSKeyframesRule: require('./CSSKeyframesRule').CSSKeyframesRule
-};
+var CSSOM = {};
 ///CommonJS
 
 
@@ -335,4 +326,13 @@ CSSOM.parse = function parse(token) {
 
 //.CommonJS
 exports.parse = CSSOM.parse;
+// The following modules cannot be included sooner due to the mutual dependency with parse.js
+CSSOM.CSSStyleSheet = require("./CSSStyleSheet").CSSStyleSheet;
+CSSOM.CSSStyleRule = require("./CSSStyleRule").CSSStyleRule;
+CSSOM.CSSImportRule = require("./CSSImportRule").CSSImportRule;
+CSSOM.CSSMediaRule = require("./CSSMediaRule").CSSMediaRule;
+CSSOM.CSSFontFaceRule = require("./CSSFontFaceRule").CSSFontFaceRule;
+CSSOM.CSSStyleDeclaration = require('./CSSStyleDeclaration').CSSStyleDeclaration;
+CSSOM.CSSKeyframeRule = require('./CSSKeyframeRule').CSSKeyframeRule;
+CSSOM.CSSKeyframesRule = require('./CSSKeyframesRule').CSSKeyframesRule;
 ///CommonJS