2.18.1 (stable):

 * Many windows build improvements
 * Bugs fixed:
   * 506410 - Call of overloaded Stringify is ambiguous
   * 529496 - Gio::Error::HOST_NOT_FOUND clashes with a netdb.h #define
   * 539891 - Can't use doxygen commands in *_override.xml
   * 555576 - name clash in fileinfo.h with winbase.h from VS2005
   * 556315 - Extra defs generation utility forgets to generate signals for inter...
   * 556387 - FileEnumerator::next_file reference counting problems
 * Thanks to contributions from Armin Burgmeier, Jonathon Jongsma, José
   Alburquerque, Murray Cumming, and Szilárd Pfeiffer