Fix Geometry.get_all_lattices() and Geometry.get_all_material_universes()
Fix Geometry.get_all_lattices() and Geometry.get_all_material_universes()

liangjg/openmc,paulromano/openmc,smharper/openmc,amandalund/openmc,paulromano/openmc,bhermanmit/openmc,smharper/openmc,shikhar413/openmc,bhermanmit/openmc,wbinventor/openmc,amandalund/openmc,wbinventor/openmc,walshjon/openmc,mit-crpg/openmc,amandalund/openmc,liangjg/openmc,johnnyliu27/openmc,smharper/openmc,wbinventor/openmc,wbinventor/openmc,johnnyliu27/openmc,liangjg/openmc,mit-crpg/openmc,shikhar413/openmc,walshjon/openmc,mit-crpg/openmc,mit-crpg/openmc,smharper/openmc,walshjon/openmc,shikhar413/openmc,paulromano/openmc,walshjon/openmc,liangjg/openmc,shikhar413/openmc,johnnyliu27/openmc,johnnyliu27/openmc,amandalund/openmc,paulromano/openmc