[Catalog-sig] PyPI WSGI frontend

[bray at sent.com]

> I believe it is as long as the sqlite build is threadsafe. One thing I
> will 
> try to achieve during the pre-PyCon sprinting is migrating to PostgreSQL 
> (since the psql database is already set up and waiting).
> 

I started taking a look at converting to postgresql, although I did not
commit anything. During the ChiPy spring a seperated the sql.  This
should run fine on postgres, although I did not test.  Are you thinking
of using psycopg or something else?