few tweaks for library performance improvement

libnethogs.h

@@ -36,15 +36,17 @@ public:
 	//register async callback to receive updates
 	//have to be called before start
 	static void registerUpdateCallback(Callback const& cb);
-	
-	static void setRefreshDelay(int seconds);
-	
+		
 	//start the monitor
 	static void start();
 	
 	//stop the monitor
 	static void stop();
-		
+	
+	//tuning functions
+	static void setRefreshDelay(int seconds);	
+	static void setPcapDispatchDelay(int milliseconds);
+	
 private:
 	static void threadProc();
 	static void handleUpdate();