public function remove_column($class)
    {
        // Remove the header
        foreach ($this->header as $index => $header){
            if ($header->attrib['class'] == $class){
                unset($this->header[$index]);
                break;
            }
        }

        // Remove cells from rows
        foreach ($this->rows as $i => $row){
            foreach ($row->cells as $j => $cell){
                if ($cell->attrib['class'] == $class){
                    unset($this->rows[$i]->cells[$j]);
                    break;
                }
            }
        }
    }