3.17.90 19-Aug-2015
        - Allow passing unicode lists to GStrv properties on Python 2
          (Christoph Reiter) (#744745)
        - Avoid a silent long to int truncation (Rui Matos) (#749698)
        - Handle gtype marshalling (Mathieu Bridon) (#749696)
        - pygi-foreign-cairo.c: fix include for py3cairo.h
          (Daniel Hahler) (#746742)
        - tests: Silence various error messages and warnings
          (Christoph Reiter) (#751156)
        - Fix test regression when xdg-user-dirs is not installed
          (Christoph Reiter) (#751299)
        - Explicitly check if an override exists instead of ImportError
          (Garrett Regier) (#749532)