Version 3.0 (1Q0)

* ++Largely rewritten.++
* ++Compatible with 1.4.7!++
* ++Ability to limit Bats and NPCs!++
* ++Huge speed improvements!++
* ++Removal scans only iterate through a specified number of mobs each
scan.++
* ++Queues overflow mobs from spawners until some monsters get
removed.++
* ++Ability to limit how many layers away from players monsters can
spawn.++
* ++Does not remove mobs who have picked up players' items!++
* ++Never prevents boss mobs from spawning.++
* ++Prevents the server from trying too often to spawn monsters.++
* Additionally, updated Metrics, but disabled the old custom plotters.
* Renamed classes to actually make sense.
* Fixed other minor inadequacies.