I haven't bothered playing around with it in any serious sense but it's small enough to be vaugely editable.
I've also had use for this proxy in expanding Telstras rather silly choice of names for internal cable servers (eg. www? Why not just name it Localhost and *really* put my DNS through a loop).
Mr Marshall has been nice enough to provide a new version as of this morning.
will no doubt provide the required details upon request.