http://montezuma.googlecode.com/files/montezuma-0.1.3.tar.gz
After a generous period of testing and fixing the new arbitrary
charset code (tested only with UTF8, though) is sufficiently stable
and recommended for production use.
By now the critical issue #2 has also been fixed; a test for it was
added by Yoni Rabkin.
Montezuma is also installable via clbuild now.