add progress loopings

case "NetStream.Buffer.Empty":{                krpano.set("progress.showwait", "loopings()") // or krpano.set("progress.showwait", "loopings") or krpano.call(set(progress.showwait, loopings()))break;
                } сase "NetStream.Buffer.Full":  { krpano.set("progress.showwait","none");                   break;   }