fixed a bug where natural order sorting of nodes would fail when where=='/' (root is not in root._v_children)
fixed a bug where natural order sorting of nodes would fail when where=='/' (root is not in root._v_children)

andreabedini/PyTables,tp199911/PyTables,rabernat/PyTables,gdementen/PyTables,PyTables/PyTables,rdhyee/PyTables,rdhyee/PyTables,rdhyee/PyTables,mohamed-ali/PyTables,andreabedini/PyTables,FrancescAlted/PyTables,mohamed-ali/PyTables,jennolsen84/PyTables,joonro/PyTables,rabernat/PyTables,gdementen/PyTables,joonro/PyTables,tp199911/PyTables,andreabedini/PyTables,gdementen/PyTables,avalentino/PyTables,jack-pappas/PyTables,rdhyee/PyTables,rabernat/PyTables,jennolsen84/PyTables,dotsdl/PyTables,mohamed-ali/PyTables,jennolsen84/PyTables,andreabedini/PyTables,gdementen/PyTables,jack-pappas/PyTables,PyTables/PyTables,rabernat/PyTables,dotsdl/PyTables,joonro/PyTables,PyTables/PyTables,jack-pappas/PyTables,mohamed-ali/PyTables,FrancescAlted/PyTables,avalentino/PyTables,jennolsen84/PyTables,FrancescAlted/PyTables,dotsdl/PyTables,jack-pappas/PyTables,jack-pappas/PyTables,tp199911/PyTables,joonro/PyTables,dotsdl/PyTables,avalentino/PyTables,tp199911/PyTables