Correcting gtk-file-chooser-filename to gtk-file-chooser-get-filename
Implementing a gtk-demo
Implementing the function gtk-file-chooser-get-filename
Updating the README
Work on the API documentation
Work on the testsuite. Adding a tests for g-variant-type.
Work on the API documentation for the GIO library
Implementing more functions for g-variant-type
Updating the documentation for gtk-widget-set-parent-window
 and gtk-widget-get-parent-window
Correcting a typo
Small correction to the file
Commenting out one test.
Some small corrections to the API documentation
Issue #8: Reimplementing GVariantType as a boxed type.

GVariantType is part of GLIB, but it is necessary to implement GVariantType
as a boxed type. Therefore we need parts of the GObject implementation.
Now GVariantType is implemented in a way to have the symbols in GLIB,
but it is loaded and compiled from GObject.

The tests for GIO now gives no errors. The tutorial example for an simple
application is running again.
Updating to GTK+ 3.6.4 and work on the API documentation.