Chema Celorio <chema@ximian.com> Thanks to : Michal Palczewski <mpalczew@u.washington.edu> - Widget tree window Archit Baweja <bighead@users.sourceforge.net> - New widgets, _get_type Shane Butler <shane_b@operamail.com> - Glade Widget signals editor Tristan Van Berkom <tvb@gnome.org> - Non widget support.