[gi] Added support for GVariant arguments
[gi] Added support for GVariant arguments

This is required in order for the "g-signal" signal of GDBusProxy to work properly and thus to properly receive DBus signals with any type of argument.

https://bugzilla.gnome.org/show_bug.cgi?id=647477

Distrotech/pygobject,Distrotech/pygobject,Distrotech/pygobject,Distrotech/pygobject