Rewrote the put command

This fixes a multiworld permissions related bug
Implemented CMDBOOK-2338 & CMDBOOK-2338

Vehicles will now be teleported with players if they have the correct permissions
Fixes CMDBOOK-2141

The spawnmob command will now accept multi-targeting situations
Implemented CMDBOOK-2268

Added the extinguish command to put out ignited players
Fixed the handling of the s flag in the heal & slay commands