Another rework

- Change how MagicWands are made (again)
- Change WizardDust to WizardTransmute and expand it

All day every day Teletransference

- Add Teletransference Bolt to WizardCrossbow
- Add Teletransference Trident to WizardTrident
- Added a MobManager class to hold static mob-related methods

LayerLayer defaults to top slabs

- LayerLayer will now change slabs laid horizontally (with SLABS, not
WALLS) to type=top (so they occupy the upper half of the block) by
default. However, if the reagent type contains the characters "SMOOTH"
it will instead lay bottom slabs.

Fix for WizardElevator and WandListener

- Fix a bug in WandListener
- Clean up some WizardElevator code

Version 1.1.0

- Add Spell Xomir's Quiver
- Add Spell Alf's Action Arrow
- Fix issue with LayerLayer which allowed Bedrock to be replaced
- Add "not enough Wizard Power" warning message
- Fix spell timer functionality