More PowerEntry parsing work.

src/engine/wpak/PowerEntry.java

@@ -22,5 +22,9 @@ public class PowerEntry {
     public String groupReq;
     public String costType;
     public int cost;
-
+    public int unknown01;
+    public int unknown02;
+    public float cast_time;
+    public float cool_down;
+    public float recycle_time;
 }