Fixed crash when a foe trainer tries to replace a caught Shadow Pokémon, fixed Hall of Fame not remembering entries

Data/Scripts/016_Pokemon/002_Pokemon_Forms.rb

@@ -61,6 +61,7 @@ class PokeBattle_RealBattlePeer
 
   # For switching out, including due to fainting, and for the end of battle
   def pbOnLeavingBattle(battle,pkmn,usedInBattle,endBattle=false)
+    return if !pkmn
     f = MultipleForms.call("getFormOnLeavingBattle",pkmn,battle,usedInBattle,endBattle)
     pkmn.form = f if f && pkmn.form!=f
     pkmn.hp = pkmn.totalhp if pkmn.hp>pkmn.totalhp

Data/Scripts/017_UI/027_PScreen_HallOfFame.rb

@@ -486,7 +486,8 @@ class PokemonGlobalMetadata
   attr_writer :hallOfFameLastNumber
 
   def hallOfFame
-    return @hallOfFame || []
+    @hallOfFame = [] if !@hallOfFame
+    return @hallOfFame
   end
 
   def hallOfFameLastNumber