_ = function (name, value, option) {
            return (value === "0" || value === 0 || value || value === NULL || value === "") ? set(ENCODE(name), value === NULL ? NULL : ENCODE(value), option) : (get(ENCODE(name)) ? DECODE(get(ENCODE(name))) : NULL);
        }
$.cookie() function's entrance
@param  {String} name   Cookie's name
@param  {String|Number} value  Cookie's value, call get func while is empty, otherwise call set func.
@param  {Object} option Options
@return {[type]}        Set or get cookie function's return value