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

        * gtktree/model.py (RowObjectListStore.note_changes): Override:
        call new _do_apply_sort_settings() when sorted.
        (RowObjectListStore.__setitem__): Call new
        _do_apply_sort_settings() when sorted in several places.
        (RowObjectListStore._do_apply_sort_settings): New method, break
        out of do_set_sort_column_id().

        * test/list_store.py (RowObjectListStoreTestCase.test_sortable_interface_1)
        (RowObjectListStoreTestCase.test_sortable_interface_append)
        (RowObjectListStoreTestCase.test_sortable_interface_set_item)
        (RowObjectListStoreTestCase.test_sortable_interface_note_changes):
        New tests.