Added support for APDU commands:
-New method:
 public synchronized void setISO14443_4_Mode() throws DlReaderException, InterruptedException
 Select ISO14443-4A tag and "open channel for the APDU commands" to the ISO14443-4A tag supporting APDU protocol.

-New method:
 public synchronized void s_block_deselect() throws DlReaderException, InterruptedException
 Deselect ISO14443-4A tag. This is a mandatory call after finished one or more APDU transactions with a previously selected ISO14443-4A tag. Otherwise reader will be blocked for further work and you will be forced to call readerReset().

-New method:
 public synchronized byte[] APDUPlainTransceive(byte[] c_apdu) throws DlReaderException, InterruptedException
 Function that send c_apdu bytes to the to the ISO14443-4A tag supporting APDU protocol and, after successfully executed APDU command by the tag selected returns R-APDU. Count of the R-APDU bytes varies depending on the issued APDU command. Minimum number of the R-APDU bytes is 2 and in that case contains SW1 and SW2.