Adding the implementation of cairo.image-surface.lisp
Addin the implementation of cairo-arg-negative
Reducing the version requierement to GLib 2.32
g-type-ensure is available since Glib 2.34
Adding the implementation of GtkPrintJob
Some work on the implementation of Cairo surfaces
Insert a compiler switch for GTK+ 3.6 implementations
Some work on the documentation
Inserting compiler switches for the implmentation of GTK+ 3.6
Work on the implementation of GtkEntry
Adding documentation for GtkPrintJob
Implementing GtkPrintPages and GtkPageSet
Correcting some typos
Work on the implementation of GtkToolbar
Reducing the version requierment to GTK+ 3.4