added new signature for SendCommand in JGE that takes in a command string and a parameter

added native keyboard handling in iOS
TODO: add same feature for Android tablets/phones

projects/mtg/include/SimplePad.h

@@ -44,7 +44,8 @@ public:
     void Render();
     void Update(float dt);
     void pressKey(unsigned char id);
-
+    void CancelEdit();
+    
     SimplePad();
     ~SimplePad();