Added missing descriptions for READER_KEYS_LOCK, READER_KEYS_UNLOCK, and READER_PASSWORD_WRITE commands.
Added hardware reset explanation.
Originality checking and READ_ECC_SIGNATURE command.
Added missing descriptions for READ_COUNTER and INCREMENT_COUNTER commands (NFC Type 2 Tags)
Added missing description for GET_NFC_T2T_VERSION command (NFC Type 2 Tags)
Added missing card type constants in GET_DLOGIC_CARD_TYPE table.

-PKI infrastructure and digital signature support - Fully supported from firmware version 3.9.55
-Changed date format in a Change log. Now we use more universal ‘yyyy-mm-dd’ date format.