I saw it too. I suspect it was pulled by the author (SHERZODR -- Sherzod Ruzmetov). However, the author also has CGIS, which looks to be a drop in replacement for CGI.pm that provides the functionality of CGI::Session as well. If I understand things right, that should allow you to override CGI::Application's cgiapp_get_query() method to return a CGIS object instead of a CGI object and all should work as normal, plus giving you access through the query object to CGI::Session methods.

I haven't tried it, so this is totally theoretical, but I just had the same question myself as I was hunting around trying to learn more about "good" approaches to starting working with CGI::Application.

Best of luck,

-xdg