2.16.1 (stable):

* Reference-counting bugfix in Gio::File::create() and Gio::File::replace()
  (Murray Cumming)
* Include Gio::Error header in headers that have API that can throw this
  exception (Murray Cumming)
* Improve documentation (Murray Cumming)
* Build fixes for giomm on win32 (Jonathon Jongsma)
* fix warning with g++ 4.3 (Tim Retout)