Add column does not work with array specification and QueryBuilder about zfc-datagrid HOT 2 OPEN

        if ('ZfcDatagrid\\Column\\Select' == $class) {
            if (! isset($config['select']['column'])) {
                throw new \InvalidArgumentException('For "ZfcDatagrid\Column\Select" the option select[column] must be defined!');
            }
            $table = isset($config['select']['table']) ? $config['select']['table'] : null;
            $instance = new $class($config['select']['column'], $table);
        } else {

        foreach ($config as $key => $value) {
            $method = 'set'.ucfirst($key);
            if (method_exists($instance, $method)) {
                if (in_array($key, $this->specialMethods)) {
                    if (! is_array($value)) {
                        $value = array(
                            $value,
                        );
                    }
                    call_user_func_array(array(
                        $instance,
                        $method,
                    ), $value);
                } else {
                    call_user_func(array(
                        $instance,
                        $method,
                    ), $value);
                }
            }
        }