An overflow was setting the short battle code to 7fffffff on win32 in
50% of cases.
Fix spawn and hmgeo end of match freeze by returning 0 if the connection
is closed.
net service throw when connection is closed. Modem catches it and hang
up.
netservice: call custom service start() and stop() like others.
ice: init http client before using it
capcom: send stop message when one end is closed. detect hanged resync
and retry them.
capcom: support sf3 M.F 2000 v1 and v2
modem: implement V42 answerer mode
modem: add callbacks for dial out, answer mode, start handshake, etc.
network: detect capcom direct games and simulate the peer-to-peer connection
Flyinghead