private static function _config($group, $name, $fallback=null)
    {
        $krumo_ini = KRUMO_DIR . 'krumo.ini';

        // The config isn't loaded yet
        if (empty(static::$_config) && is_readable($krumo_ini)) {
            static::$_config = (array) parse_ini_file($krumo_ini, true);
        }

        // exists
        if (isset(static::$_config[$group][$name])) {
            return static::$_config[$group][$name];
        } else {
            return $fallback;
        }
    }