Fixed crash when soft resetting, fixed crash when Struggle and confusion pseudo-moves are used, fix broken AI, fixed crash after evolution, fixed crash when editing weather map metadata.

Data/Scripts/011_Battle/002_Move/004_Move_Effects_Generic.rb

@@ -26,7 +26,7 @@ class PokeBattle_Confusion < PokeBattle_Move
     @name       = ""
     @function   = "000"
     @baseDamage = 40
-    @type       = -1
+    @type       = nil
     @category   = 0
     @accuracy   = 100
     @pp         = -1
@@ -58,7 +58,7 @@ class PokeBattle_Struggle < PokeBattle_Move
     @name       = (move) ? move.name : _INTL("Struggle")
     @function   = "002"
     @baseDamage = 50
-    @type       = -1
+    @type       = nil
     @category   = 0
     @accuracy   = 0
     @pp         = -1

Data/Scripts/011_Battle/004_AI/006_AI_Move_Utilities.rb

@@ -350,7 +350,7 @@ class PokeBattle_AI
     if skill>=PBTrainerAI.bestSkill && target.itemActive?
       # NOTE: Type-weakening berries aren't suitable for checking at the start
       #       of the round.
-      if !target.item.is_berry?
+      if target.item && !target.item.is_berry?
         BattleHandlers.triggerDamageCalcTargetItem(target.item,
            user,target,move,multipliers,baseDmg,type)
       end