This change adds support for connecting to physical or virtual serial
ports with the "--device" flag. Additionally, the "--verbose" flag can
be used to log each character sent and received to stdout.
Man page has been updated.
This change removes the built-in telnet capability in favor of allowing
the user to run an arbitrary shell command, essentially turning the
DMD5620 emulator into a local terminal emulator.
The options to specify host and port have been removed. In their place,
an option to supply a shell command to execute has been added. If it
is not supplied, the user's default login shell will be used.
A second option has been added to allow the user to specify whether
backspace generates ^H (the default), or ^? (DEL).
A rudimentary manpage has been added.