Glib:
* Dispatcher: Don't warn when a Dispatcher is deleted while
messages are pending.
(Kjell Ahlstedt) Issue #108 (PBS)
* Dispatcher: Add const versions of emit() and operator()()
and deprecate the non-const versions.
(Kjell Ahlstedt) Issue #103 (PBS)
Gio:
* ListModel: Add get_typed_object()
(Kjell Ahlstedt) See issue gtkmm#132
