handle NULL arrays correctly for each array type
handle NULL arrays correctly for each array type

choeger/pygobject-cmake,thiblahute/pygobject,pexip/pygobject,davidmalcolm/pygobject,sfeltman/pygobject,pexip/pygobject,GNOME/pygobject,jdahlin/pygobject,GNOME/pygobject,davidmalcolm/pygobject,sfeltman/pygobject,choeger/pygobject-cmake,davibe/pygobject,thiblahute/pygobject,davibe/pygobject,sfeltman/pygobject,thiblahute/pygobject,davibe/pygobject,jdahlin/pygobject,GNOME/pygobject,davidmalcolm/pygobject,MathieuDuponchelle/pygobject,MathieuDuponchelle/pygobject,choeger/pygobject-cmake,jdahlin/pygobject,pexip/pygobject,MathieuDuponchelle/pygobject,davibe/pygobject