Fixed issue where you couldn't teach all moves.

src/Battling/Pokemon/CreatePokemon.cpp

@@ -154,7 +154,7 @@ PkmnLib::Battling::CreatePokemon::LearnMove(const Arbutils::CaseInsensitiveConst
     if (!_library->GetMoveLibrary()->TryGet(moveName, move)) {
         throw CreatureException("Invalid Move given: " + moveName.std_str());
     }
-    if (_currentMove >= _library->GetSettings()->GetMaximalMoves() - 1) {
+    if (_currentMove >= _library->GetSettings()->GetMaximalMoves()) {
         throw CreatureException("This pokemon already has the maximal allowed moves.");
     }
     Assert(move != nullptr);