Converter, converting from String to Long, the supported format is one of the following:
123 (byte value)
0xFF (byte value)
0XDF (byte value)
0D1 (byte value)
-123 (byte value)
-0xFF (byte value)
-0XDF (byte value)
-0D1 (byte value)
MIN_VALUE (ignoring case)
MIN (ignoring case)
MAX_VALUE (ignoring case)
MAX (ignoring case)