public static function conn()
    {
        // Auto connect using Jasny's Config class
        if (!isset(self::$connection)) {
            if (!class_exists('Jasny\Config') || !isset(\Jasny\Config::i()->db)) throw new DB_Exception("Unable to create DB connection: not configured");
            new static(\Jasny\Config::i()->db);
        }

        return self::$connection;
    }