Cvars:

http_masterserver is the url to the master server's API.
masterserver_token may be an authentication token.

Don't use client port as default peer port

See merge request !152

Fix the Add command when floats

See merge request !153

OpenGL: Try and Match Software Wallclipping Better

See merge request !150

Revert mserv

See merge request !144

Fix SIGSEGV when saving replays and invalid extrainfo offset

See merge request !149

Don't get stuck in room menu in a modified game

See merge request !145

I've tried to make this so it almost never under-compensates, and over-compensates very little where possible.
I don't think it's 1:1 to software's current behaviour, and probably never will be due to software being very strange.

Fixes SIGSEGV when saving a replay.

Has the added benefit of fixing noclip camera for opengl
Unfortunately SkyWalls are kinda broken with this. I'll be looking into them shortly.

Spell it "forward"

See merge request KartKrew/Kart-Public!147

Fix fileneeded overflow

See merge request KartKrew/Kart-Public!146