Small Tetra Additions

-Updated compatibility to include various new materials addded in new versions of supported mods, such as cursium from cataclysm

-Added support for Caverns and Chasms

-Preliminary work using data driven item effects, currently Necromium, Fire dragonsteel, and Ice dragonsteel have working effects. Lightning dragonsteel currently is still unfinished, and applies 5 extra damage to simulate a lightning strike. More will come in the future.

-Some smaller tweaks and changes, dragonsteel will do a lot more damage now for example.