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/**
 * Merge two or more objects. Returns a new object.
 * @private
 * @param {Boolean}  deep     If true, do a deep (or recursive) merge [optional]
 * @param {Object}   objects  The objects to merge together
 * @returns {Object}          Merged values of defaults and options
 */
var extend = function () {

	// Variables
	var extended = {};
	var deep = false;
	var i = 0;
	var length = arguments.length;

	// Check if a deep merge
	if ( Object.prototype.toString.call( arguments[0] ) === '[object Boolean]' ) {
		deep = arguments[0];
		i++;
	}

	// Merge the object into the extended object
	var merge = function (obj) {
		for ( var prop in obj ) {
			if ( Object.prototype.hasOwnProperty.call( obj, prop ) ) {
				// If deep merge and property is an object, merge properties
				if ( deep && Object.prototype.toString.call(obj[prop]) === '[object Object]' ) {
					extended[prop] = extend( true, extended[prop], obj[prop] );
				} else {
					extended[prop] = obj[prop];
				}
			}
		}
	};

	// Loop through each object and conduct a merge
	for ( ; i < length; i++ ) {
		var obj = arguments[i];
		merge(obj);
	}

	return extended;

};