[cgiapp] request for general PSGI docs

[Mark Stosberg]

> > http://search.cpan.org/~miyagawa/Plack-0.99_05/lib/Plack/Handler/CGI.pm
> 
> Did you mean Plack::Server::CGI?

No. The ::Server name space has been deprecated in favor of the ::Handler
name space:

http://github.com/miyagawa/Plack/blob/master/lib/Plack/Server/CGI.pm

    Mark