More aggressive sanitization. Loads of integer definition fixes

src/Battling/Library/ExperienceLibrary.hpp

@@ -8,7 +8,7 @@ namespace PkmnLib::Battling {
     class ExperienceLibrary final : public CreatureLib::Battling::ExperienceLibrary {
     public:
         void HandleExperienceGain(
-            CreatureLib::Battling::Creature* faintedMon,
+            CreatureLib::Battling::Creature* non_null faintedMon,
             const std::unordered_set<ArbUt::BorrowedPtr<CreatureLib::Battling::Creature>>& opponents) const override;
     };
 }