Further work on better exceptions.

tests/BattleTests/ScriptTests/ScriptAggregatorTests.cpp

@@ -133,7 +133,7 @@ TEST_CASE("Script Aggregator properly iterates when empty.", "[Battling, Scripti
     auto vec = ArbUt::List<ScriptWrapper>{};
     auto aggr = ScriptAggregator(vec);
     while (aggr.HasNext()) {
-        throw CreatureException("Aggregator returned a script, but should have been empty.");
+        THROW_CREATURE("Aggregator returned a script, but should have been empty.");
     }
     CHECK(ran == 0);
 }