Break apart a query string into an object

@param {string} queryString The query string to seserialize into an object
@returns {object}
function (queryString) {
		var pairs = queryString.split('&');

		var params = {};
		pairs.forEach(function(pair) {
			pair = pair.split('=');
			params[pair[0]] = decodeURIComponent(pair[1] || '');
		});

		return params;
	}