Correcting typos
Implementation of GtkSearchEntry
Implementation of gtk-show-about-dialog and some work on the
API documentation
Adding an example for the function gtk-show-about-dialog
Adding more demos for GtkEntry
Updating version numbers
Call g_type_init for Glib versions less than 2.36
Moving Lisp functions for version check to glib.init.lisp
Implementing the function gtk-style-context-get-color
Implementing the function gtk-widget-get-style-context
Implementing the function gdk-cairo-set-source-rgba
Implementing the functions gdk-pixbuf-scale-simple, 
gdk-pixbuf-composite-color-simple, and gdk-pixbuf-composite-color
Some work on the API documentation
Correcting a typo
Implementing the function gtk-entry-set-icon-from-stock
Implementing the function gtk-menu-attach-to-widget
Work on the API documentation of GdkWindow
Implementing the function cairo-arc and removing whitespaces
Some work on the gtk-demo
Work on the Tutorial: Extending the chapter about tree and list widgets.