MobBorder

- Messages are now less likely to show double - Clone spawn rate now matches what they are configured to (was far higher) - Clones no longer drop items when killed naturally - Added hunger drain option when going far enough. Off by default. - Added regeneration disabling option when going far enough. Off by default. - Added option to make special last resort options ignore experience level; or pay attention to it when mobs ignore it. By default, both pay attention to experience level. - Added a maximum relative level. This applies to mobs and last resort options so be careful not to set it too low. Off by default.