Version 6.2.5 (18-August-2013)
* Fix build issue with GCC 4.2.1 on FreeBSD and Mac OS X (stop python defining isspace as a macro).
* Remove support for python 3.1 (API's are unstable).
* Add Python 3.3 support.
* Patch from Michael Droettboom to fix compilation issues.
* Patch from Michael Droettboom to add buffer interface for python3.