Building in Biomes

Fixes:

Mobs:

-Undead mobs shouldn't drop a Zombie Head when killed by a charged creeper anymore.

Blocks:

-Iridescent Glazed Terracotta should now rotate properly.

Changes:

Mobs:

-Overgrown Archshaman's Maiden Heaven should remove all existing Flame Walls and should be more reliable when healing.

Additions:

Mobs:

-Overgrown Hunter. Ranged variant of the Overgrown Skirmisher, spawns alongside the Overgrown Dualliste when the miniboss is summoned.

-Red Magician. Summoned by the Crimson King in Offensive Mode. It uses Magician's Red to bombard the target with fireballs. Extremely hard to dodge.

Blocks:

-Steel, Bismuth, Silver and Tin bars. Bar variations of various materials.