patch: http.py

[Martin Pool]

On 18/10/05, Robey Pointer <robey at lag.net> wrote:
> Quickie fix to something I saw while browsing http.py:  The length of
> a list will never be less than zero (in python, at least...) so I
> think the intended check was for "== 0".

Thanks, merged in and some tests added.

--
Martin