Implements cheek pouch

Scripts/Interfaces/ItemUseScript.as

@@ -4,6 +4,6 @@ shared abstract class ItemUseScript {
 	bool IsPokemonUseItem(){ return false; };
 	bool IsUseValidForPokemon(Pokemon@){ return false; };
 	bool IsHoldable(){ return false; };
-	void OnUse(){};
-	void OnPokemonUse(Pokemon@){};
+	void OnUse(Battle@){};
+	void OnPokemonUse(Pokemon@, bool){};
 }

Scripts/Interfaces/PkmnScript.as

@@ -45,6 +45,7 @@ shared abstract class PkmnScript {
 	void OnEndTurn(){};
 	void OnDamage(Pokemon@, DamageSource, uint, uint){};
 	void OnFaint(Pokemon@, DamageSource){};
+	void OnAfterHeldItemConsume(Pokemon@, const Item@){};
 	void PreventIncomingCritical(ExecutingMove@, Pokemon@, uint8, bool &inout){};
 	void ModifyCriticalStage(ExecutingMove@, Pokemon@, uint8, uint8 &inout){};
 	void OverrideCriticalModifier(ExecutingMove@, Pokemon@, uint8, float &inout){};