glib: Add ValueFromNative and List.Length, NthData, Free.
glib: Add ValueFromNative and List.Length, NthData, Free.

andre-hub/gotk3,gotk3/gotk3,yamnikov-oleg/gotk3,LittleBuster/gotk3,LittleBuster/gotk3,andre-hub/gotk3,andre-hub/gotk3,yamnikov-oleg/gotk3,pekim/gotk3,gotk3/gotk3,pekim/gotk3,pekim/gotk3,yamnikov-oleg/gotk3