-Added a modifybattlerstatstage macro to handle stat stages in battle. -Rewrote the checks inside the case ABILITYEFFECT_MOVES_BLOCK of AbilityBattleEffects.
-Added a modifybattlerstatstage macro to handle stat stages in battle. -Rewrote the checks inside the case ABILITYEFFECT_MOVES_BLOCK of AbilityBattleEffects.