[pygobject] Created tag 3.13.91

[Simon Feltman <sfeltman src gnome org>]

The signed tag '3.13.91' was created.

Tagger: Simon Feltman <sfeltman src gnome org>
Date: Mon Sep 1 17:33:38 2014 -0700

    release 3.13.91

Changes since the last tag '3.13.90':

Christoph Reiter (2):
      Fix crash in GList/GSList marshaling error handling path.
      Change boxed init with args to warn instead of raise

Simon Feltman (13):
      configure.ac: post release version bump to 3.13.91
      Skip marshalling NULL output arguments in Python closures
      configure.ac: Fix darwin builds
      Fix reference counting problems with GLib.Variant.new_tuple()
      Replace statically bound GLib.Variant.new_tuple() with GI
      Revert "Replace statically bound GLib.Variant.new_tuple() with GI"
      tests: Add test for GLib.spawn_async_with_pipes()
      Ignore closure callbacks when Python is not initialized
      Special case signal output arguments which are structs as pass-by-reference
      docs: Fix function doc string generator return types
      docs: Fix error when using may_return_null()
      docs: Skip "Constructors" header for anonymous structs
      release 3.13.91