PyFunk handler

I have the 404 handler portion of PyFunk working. Trying to fetch my test resource with the Python shell and httplib let me discover I had erroneously assumed the REQUEST_URI variable would never have the host in--at least, after I figured out that was why the handler worked in Phoenix but not from the Python shell. I should really have a better logging system, I guess.

Now I just need the archiver portion (which will require figuring how to edit my crontab, if possible).