Adding pictures for the API documenation
Some work on the GTK+ 3 Demo for Lisp
Moving the functions from gtk.misc-lisp.lisp into the files
gtk.init.lisp and gtk.timer.lisp and removing the file gtk.misc-lisp.lisp
Work on the implementation and documentation of GTKApplication.
The C example for a simple application in the documentation  is replaced
 with a Lisp example.
Correcting some typos
Work on the GTK+ 3 Tutorial for Lisp
Work on the testsuite
Work on the implementation and documentatin of the GIO library

- Adding the implemention of GMenuModel
- Correcting the implemenation of GActionEntry and the function
  g-action-map-add-action-entries