Turned up the speed. Once you see fast meters, there's no going back.

Tested at 5ms without any issues, comitting at 10ms for now. Note that
50ms in the first 'fixed' meter code is the same as 25ms now due to how
the command queue is structured. So 10ms is only a bit faster than
before.

wfmain.cpp

@@ -274,7 +274,7 @@ wfmain::wfmain(const QString serialPortCL, const QString hostCL, QWidget *parent
     connect(delayedCommand, SIGNAL(timeout()), this, SLOT(runDelayedCommand()));
 
     periodicPollingTimer = new QTimer(this);
-    periodicPollingTimer->setInterval(25);
+    periodicPollingTimer->setInterval(10);
     periodicPollingTimer->setSingleShot(false);
     connect(periodicPollingTimer, SIGNAL(timeout()), this, SLOT(runPeriodicCommands()));