Healing

Stat which healing is based off of:
* Clerics, deathknights, and paladins: Piety
* Druid: Higher number between intelligence and constitution
* Vampire, ranger, mage, and bard: Higher number between intelligence and piety
* All other classes: Constitution
== Ranking of healers (best first, same # = ties) ==
=== -- Improve based on level -- ===
# Ceris Cleric
# Enoch and Aramon Clerics
# Gradius and Kamira Clerics
# Enoch and Gradius Paladins
# Ares Cleric and Deathknight
# Druid
=== -- No improvement based on level -- ===
# Monk, ranger, bard, vampire
# Mage, thief, assassin, rogue, fighter, werewolf
# Berserker (can only heal off scrolls, which gives penalty)
# Lich (can't heal)