Lots more work on implementing battling

PkmnLib.Dynamic/Models/LearnedMove.cs

@@ -53,6 +53,11 @@ public interface ILearnedMove
     /// The maximal power points for this move.
     /// </summary>
     byte MaxPp { get; }
+    
+    /// <summary>
+    /// The current power points for this move.
+    /// </summary>
+    byte CurrentPp { get; }
 
     /// <summary>
     /// The way the move has been learned.