Difficulties v2 (Merged into Core)

[tonibm19]

This plugin adds vanilla-like difficulties to MCServer.
Features
-4 different difficulties: peaceful, easy, normal and hard.
-Multiworld support
-Vanilla-like command (difficulty can be specified in numbers, complete words, or letters)
Commands:
/difficulty difficulties.difficulty --Changes server difficulty
Config (in world.ini)
WorldDifficulty = 2 (change to difficulty you want, peaceful = 0, easy = 1, normal = 2, hard = 3)