wconsd

Make telnet option processing cross packet boundaries. Implement binary mode.
These two changes allow xmodem uploading from client to serial port.

Show link to documentation in menu help

Handle WSAECONNRESET, add Telnet keepalives, rework the show_conn_table.
During long-term connection testing, I found that at least one of my
connections would have some kind of disconnect - perhaps an idle timeout,
so I have added support for sending IAC NOP packets on each net loop...

Begin testing in an attempt to enumerate serial ports

Update run_menu to get it to detect a closed network connection. Also message beautification

Clean up messages and provide better help information

Implement send break function (closes #23)

Implement the ability to kill existing connections
This is a new command to force quit any current serial connection

Uncook CRLF sequences into plan CR in net_to_com
My testing had been done with the linux telnet client and it sent CR NUL
as the end-of-line character sequence. Both putty and windows telnet
are sending CR LF as end-of-line sequence. This change pretty much...

Update version number