Fork from v0.5.0 of https://code.google.com/p/wsgidav/.  See also https://pypi.python.org/pypi/WsgiDAV/0.5.0 and http://docs.wsgidav.googlecode.com/hg/html/index.html.  I tried converting the Mercurial repository with hg2git, but it didn't work, so for now, I'm just creating a new repository.