Wait a little while before forgetting an automata
Change base class of ProjectileSpell

This turned out to be non-necessary, but this is the proper base class
for it anyway.
Add createElemental method
Refactor spell category system
Auto-morphing wand color
Fix mage spells
Replace wand haste with a potion effect
Fix for buggy recall "active" flag
Replace wand Haste with a potion effect
Use potion effects for wand regeneration