[pygobject] Created tag 3.9.91

[Martin Pitt <martinpitt src gnome org>]

The signed tag '3.9.91' was created.

Tagger: Martin Pitt <martinpitt gnome org>
Date: Mon Sep 2 14:38:44 2013 +0200

    release 3.9.91

Changes since the last tag '3.9.90':

Chun-wei Fan (1):
      Fix build on C89 Compilers

Martin Pitt (2):
      configure.ac: post-release bump to 3.9.91
      release 3.9.91

Simon Feltman (3):
      Use G_IS_VALUE for checking return values in closure marshaling
      Change boxed type checking in marshaling to use __gtype__ attribute
      Fix GObject signal methods to work with new annotations

Yanko Kaneti (1):
      Fix PEP-8 errors in propertyhelper.py