Initial setup for testing AI performance, random fixes

PkmnLib.Dynamic/Libraries/MiscLibrary.cs

@@ -15,6 +15,12 @@ public interface IMiscLibrary
     /// </summary>
     ITurnChoice ReplacementChoice(IPokemon user, byte targetSide, byte targetPosition);
 
+    /// <summary>
+    /// Returns whether the given choice is the choice that is used when the user is unable to make a move choice.
+    /// (usually struggle).
+    /// </summary>
+    bool IsReplacementChoice(ITurnChoice choice);
+
     /// <summary>
     /// Gets the current time of day for the battle.
     /// </summary>