* Added multi-connection support. libCxClient can now handle

* Added multi-connection support.  libCxClient can now handle
multiple concurrent connections to different Citadel servers.
This, unfortunately, required a change in the development API.
Please examine the source in src/newtest.c for an example
of how to use the new API.
* Fixed some bugs in the transport layer.
* No new features that I can think of, but there may be some...