version 0.0.1 Initial release: works for me

version 0.0.2 Changed detection in modifyRequest to check Content-Type
and Request-Method

version 0.0.3 Added add, list, remove methods so product coders can
register their functions to avoid prefixing username and passwords.
Changed modifyRequest to not check Content-Type.

version 0.4 Zope 2.7 support. Work if unicode path is passed in.