MoreCommands

Adds console commands for White Knuckle.

Console commands added:

cargo = backstrength times `arg`, (9 by default)
explore = freerun + noclip
flash = freerun + speedy + cargo
freerun = godmode + deathgoo-stop + fullbright + infinitestamina
speedy = get some movement perks `arg` times (1 by default)