Helper function for add_address that creates a TCP/IP socket listening on IPv4 and IPv6 (if supported) on the specified port on all interfaces.
source_object will be passed out in the various calls to accept to identify this particular source, which is useful if you're
listening on multiple addresses and do different things depending on what address is connected to.
Call close to stop listening on
port; this will not be done
automatically when you drop your final reference to this, as references may be held internally.
an IP port number (non-zero)
Optional Object identifying this source
true on success, false on error.