that win32 build can open games saved by previous version, but nothing
else (e.g. use of network or even dialogs to set up relay connection
parameters.)
connType and adding choice how to connect. Bt connect dialog is
invoked, but the fields won't be populated. Pass conn type into
socket constructor, assuming socket code doesn't change much to use BT
rather than TCP.
threads, reader and writer, on a single socket. With this checkin a
connect request reaches the relay and a response comes back and is
passed to and recognized by the common code. A full game should now
work, but hasn't been tried. Nor is there any handling of socket
errors, retries, etc.
