Add support for other serial options supported by clj-serial

[tarefa]

Baud rate is already supported but other options (stop bits, data bits and parity checking) are less friendly as they are implemented using magic numbers. Names for these numbers are (re)defined in PureJavaComm and clj-serial.

I would like to avoid defining them a third time (by refer:ing the ones in clj-serial as that's the level I'm interfacing).

I would also like to avoid copy-pasting these options and values (and their defaults) between open-com-port, with-com-port and com-port/open.