Added more debug for shortpoll for version 2.2
Added more debug for shortpoll for version 2.2

knowthelist/fhem-tablet-ui,roman1528/fhem-tablet-ui,knowthelist/fhem-tablet-ui,roman1528/fhem-tablet-ui,roman1528/fhem-tablet-ui,roman1528/fhem-tablet-ui,viegener/fhem-tablet-ui,knowthelist/fhem-tablet-ui,viegener/fhem-tablet-ui,viegener/fhem-tablet-ui,knowthelist/fhem-tablet-ui,viegener/fhem-tablet-ui,knowthelist/fhem-tablet-ui