Split the line read from the deviceName.txt at ';'. (#1702)
Split the line read from the deviceName.txt at ';'. (#1702)

The code snippet was copied over from Reader.py.experimental.Multi.
MiczFlor/RPi-Jukebox-RFID,MiczFlor/RPi-Jukebox-RFID,MiczFlor/RPi-Jukebox-RFID,MiczFlor/RPi-Jukebox-RFID,MiczFlor/RPi-Jukebox-RFID