Dawn of Light Source code

Update : All Spells Using "int" as return type for Buff Bonus Category changed to eBuffBonusCategory
Add : Stat Helper Static Extension Class that contains methods used by common Stat Changing Spells. (Updating Living after buff/debuff)
Add : Updated Buff Bonus Category Constant to Handle Ability Category and Spec Debuff Category
Update : PropertyChangingSpell class to handle the new enum values.
Add : Future-Use Ability-Based SpellHandler Buff for linking in latest LineSpellAbilities mechanisms