2.4.2:

* Glib::Dispatcher: win32 implementation rewritten, and hopefully, improved.
  (Daniel Elstner)
* Glib::ustring:
  - Optimization and code-cleanup. (Daniel Elstner)
  - Added reference documentation for constuctors. (Murray Cumming)
* Fixed some compiler warnings.
  (Daniel Elstner)
* gmmproc: Some improvements for libgdamm. (Murray Cumming)