GOTK3 Version 0.6.3

What's Changed

• Add binding for gtk_style_context_list_classes by @davidborzek in #911
• Implement gtk_widget_unset_state_flags and gtk_widget_get_state_flags by @3l0w in #912
• Emit return value shall be typed with newer glib by @DevEMedia in #892

New Contributors

• @davidborzek made their first contribution in #911
• @3l0w made their first contribution in #912
• @DevEMedia made their first contribution in #892

Full Changelog: v0.6.2...v0.6.3