I was and i'm still intersted in the topic: you may like to read
Re: Change cgi script to PSGI app and
Serving multiple Plack apps
I also have other links on my homenode (..mmh that is a bit chaotic..)
L*
There are no rules, there are no thumbs..
Reinvent the wheel, then learn The Wheel; may be one day you reinvent one of THE WHEELS.