_get_childs()
Return ref to childs array
_add_childs($object1[, $object2])
Insert set of objects into container
fetch(@_), default call by webdao: fetch( $session )
Interate call fetch(@_) on childs
_get_object_by_path <$path>, [$session]
Return first Element object for path. Try to load objects for current object.
__get_objects_by_path [path], $session
Return next object for path