public function get($modified = true)
    {
        //Argument 1 must be a boolean
        Argument::i()->test(1, 'bool');

        $array = array();
        //for each row
        foreach ($this->list as $i => $row) {
            //get the array of that (recursive)
            $array[$i] = $row->get($modified);
        }

        return $array;
    }