MULTIPLE COLUMNS IN A FORM

$awesomeColumns = $this->_form->add(new Kwf_Form_Container_Columns('topColumns'));
$leftColumn = $awesomeColumns->add(new Kwf_Form_Container_Column('leftColumn'));
$leftColumn->add(new Kwf_Form_Field_TextField('foo', trl('Foo')));
$rightColumn = $awesomeColumns->add(new Kwf_Form_Container_Column('rightColumn'));
$rightColumn->add(new Kwf_Form_Field_TextField('bar', trl('Bar')));