function execScriptLoadedCallbacks(url) {
				// Execute URL callback functions
				each(scriptLoadedCallbacks[url], function(callback) {
					callback.func.call(callback.scope);
				});

				scriptLoadedCallbacks[url] = undef;
			}
Loads the specified queue of files and executes the callback ones they are loaded.
This method is generally not used outside this class but it might be useful in some scenarios.

@method loadScripts
@param {Array} scripts Array of queue items to load.
@param {function} callback Optional callback to execute ones all items are loaded.
@param {Object} scope Optional scope to execute callback in.