2009-11-18  Paul Pogonyshev  <pogonyshev@gmx.net>

        * gtktree/_impl/tree_node.py (_DefaultTreeNodeChildNodes._wrap)
        (_DefaultTreeNodeChildNodes._wrap_sequence): New methods.

        * test/tree_store.py (DefaultTreeNodeTestCase.test_append_to_row_objects)
        (DefaultTreeNodeTestCase.test_extend_row_objects)
        (DefaultTreeNodeTestCase.test_insert_into_row_objects): New tests.