major bugfix patch

major bugfix patch
spectators which joined warmup but returned to spec no longer are forced into the tournament at the start
round ends when everyone has reached the finish line if it happens before timelimits
bots no longer forcejoin and can be kept in spectator
spectators are no longer tried to be eliminated
savestate entities are deleted for disconnecting players
added chat prints for warmup (re)start
warmup now restarts if there are not enough players when it tries to end
checkpoints hit by corpses no longer save savestates
savestate reloading no longer reloads the same exact time which player had when saving
if a savestate is loaded 5 times without saving any the next load will fail and player is reset
players who have finished can no longer interact with checkpoints
and more fixes I forgot