Fixed new crash

Crashed with Traceback (most recent call last):
File "rl.py", line 376, in <module>
character.update()
File "E:\Documents\GitHub\AtlasWarriors\src\Dragon.py", line 81, in
update
DangerToTargetRange = self.burnDamage * 3 / self.Target.hp
ZeroDivisionError: division by zero

Won't happen again