Implements more move effects

Plugins/PkmnLib.Plugin.Gen7/Scripts/Moves/ChangeMultipleUserStatBoosts.cs

@@ -22,7 +22,7 @@ public class ChangeMultipleUserStatBoosts : Script
         foreach (var par in parameters)
         {
             if (!Enum.TryParse<Statistic>(par.Key, true, out var stat))
-                continue;
+                throw new ArgumentException($"Invalid stat name: {par.Key}");
             if (par.Value is sbyte value)
             {
                 _statBoosts[stat] = value;