A Python version for the kids at home: https://gist.github.com/702001
It's the same principle but with more features, more development, and test coverage.
gunicorn webapp
For example (if you have gunicorn installed).* https://gist.github.com/703620 - Perl using Plack
* https://gist.github.com/703651 - Perl using Continuity
* https://gist.github.com/703431 - Io using no external modules!
The Perl/Continuity is multiuser out of the box.