This class provides Unix machines with access to serial devices
through serial ports. Essentially, this class is a wrapper of the
Unix-specific function calls to (1) establish a connection,
(1)read a single byte, and (1)write a single byte. The default
constructer's parameters are set to 8-bit packets, No parity, and
1 stop bit; however, custom parameters can be set using the
initialize(args..) method rather than the initialize() method.
Uniserial is ...