Initial setup for testing AI performance, random fixes

Plugins/PkmnLib.Plugin.Gen7/Libraries/Battling/Gen7BattleStatCalculator.cs

@@ -132,7 +132,7 @@ public class Gen7BattleStatCalculator : IBattleStatCalculator
             4 => 6.0f / 2.0f,
             5 => 7.0f / 2.0f,
             6 => 8.0f / 2.0f,
-            _ => throw new ArgumentException("Stat boost was out of expected range of -6 to 6"),
+            _ => throw new ArgumentException($"Stat boost was out of expected range of -6 to 6: {boost}"),
         };
     }
 }