Unobtanium - Vault Hunters Fixes

Fixes memory leaks in FTBLibrary, Just Enough Calculation, EasyVillagers, VaultLootBeams, and PneumaticCraft

Fixes iSpawnesrs not being frustum culled.

Removes iSpawner egg color calculations from vault spawners

Fixes Ars Nouveau mana event being fired for all entities and not just players

Caches the results of Void Crucible Custom Item Config instead of constantly recomputing it.

Thanks to rizek for all of these optimizations!