Trying to make rejoin work, still broken due to change of unique id during game.

src/engine/playerinterface.h

@@ -33,6 +33,7 @@ public:
 	virtual void setHand(HandInterface *) =0;
 
 	virtual int getMyID() const =0;
+	virtual void setMyUniqueID(unsigned newId) =0;
 	virtual unsigned getMyUniqueID() const =0;
 
 	virtual void setMyGuid(const std::string &theValue) =0;