fix

gistfile1.txt

try {
		if(css && css !== ""){
			parser.parse(css);
		}

		for( var rule in builded ){
			string += rule + '{';
			for( var property in builded[rule]){
				string += property + ':' + builded[rule][property] + ';'
			}
			string += '}';
		}

		return string;
				
	} catch(err){
		$Log.warn('Error while prefixing css, shipped unprefixed: ' + err);
	}