Change to new steamodd imports, hopefully fix encoding in a stable way, sanitize gifter names, README
Change to new steamodd imports, hopefully fix encoding in a stable way, sanitize gifter names, README

I'm not going to bother trying to keep this working with the default
codec anymore, people will need to change to utf-8 themselves, otherwise
I'll never be able to migrate to python 3.

FlaminSarge/optf2,Lagg/optf2,FlaminSarge/optf2,FlaminSarge/optf2,Lagg/optf2,Lagg/optf2