Generates a array for the usage of Core\Object:get()
1,2,3 => array( array(id =>1),array(id =>2),array(id =>3) )
1 => array(array(id => 1))
idFooBar => array( id => "idFooBar")
idFoo-Bar => array(array(id => idFoo, id2 => "Bar"))
1-45, 2-45 => array(array(id => 1, pid = 45), array(id => 2, pid=>45))