Wrapping it up for the night.

- Apothecary Mortar now holds items right, and uses NBT correctly.
- Someone forgot to register their tile entity. Get some sleep, x3n0.
- Reduced the amount of items in the Mortar to 2.
- More moving around.
- The Mortar now renders it’s items correctly, with epicness.
- Added the Duo utility class, and a little work on the
PotionIngredient class.