HiPi 0.77 release fixes 7 byte tag UID handling for the MFRC522 NFC module.
HiPi::Interface::MFRC522 supports read and write for MiFare Classic 1K and 4K tags with both 4 byte and 7 byte UIDS.
The UID can be read for any 13.56 Mhz ISO/IEC 14443-4 compliant tag.
