Log Message:
Update to 3.2.8.

Mainly this is to fix a security vulnerability.  Other changes:

Mod_python 3.0 no longer works with Apache 1.3, only Apache 2.x is supported.
Mod_python no longer works with Python versions less than 2.2.1
Mod_python now supports Apache filters.
Mod_python now supports Apache connection handlers.
Request object supports internal_redirect().
Connection object has read(), readline() and write().
Server object has get_config().
  Httpdapi handler has been deprecated.
  Zpublisher handler has been deprecated.
Username is now in req.user instead of req.connection.user