Update to 3.23
---------------
3.23  2015-09-10
  - Improve CGI mode param() handling to avoi CGI.pm's "param() called in list context" warning.
  - add support for Apache 2.4 via mod_perl 1.09.
    ***** IMPORTANT *****
    Apache 2.4 has a *VERY* different API for authentication.  You will need
    to port your subclass and configuration over to the Apache 2.4 API in
    order to use Apache 2.4!  Please be sure to read README.apache-2.4.pod for
    porting instructions!

(mef)