* Removed DAMAGE_RATE(), DAMAGE_SUBRATE(), and DAMAGE_ADDRATE() macros.
* Adjusted ATK_RATE*(), ATK_ADDRATE*(), ATK_ADD*(), RE_ALLATK*() macros so we don't produce over complicated ternary operations.
* Adjusted formulas to properly take into account the 'ratio' aspect.
* Cleaned up a few incorrect damage formulas.
* Cleaned up some type casting.
* Implemented renewal effects for Magical Bullet.