2008-06-23 Jens Alfke Implemented BLIP 1.1 (explicit 'bye' message)
2008-06-19 Jens Alfke Implemented new close protocol with 'bye' meta-message.
2008-06-19 Jens Alfke Work around crash-on-close by temporarily retaining the connection object.
2008-06-11 Jens Alfke * Added a timeout property to TCPConnection. Set it before calling -open, if you want a shorter timeout than the default.