Pyenet

* Rewrote to build with Cython instead of Pyrex
* Fixed bug where a double-free would happen because the Event object would
create a new Packet object every time the packet attribute was accessed.
* Add some unit testing
* Add test_server and test_client
* Builds against enet 1.3

* Fix build against current enet CVS trunk


==== pyenet from enet cvs ====
Sat Nov 1 00:36:02 PST 2003 Scott Robinson <scotttranzoa.com>
Began developing test interface after a day of coding...

Mon Nov 3 08:46:33 PST 2003 Scott Robinson <scotttranzoa.com>
Added documentation to all classes, functions, and attributes.
While adding documentation, added accessors to a few more attributes.
Cleaned up a few methods to match proper pyrex behavior.
Removed a few, and added a couple of obvious todos for the future.
Fixed Address.__getattr__ extra \0s in the case .host.

Fri Feb 13 18:18:04 PST 2004 Scott Robinson <scotttranzoa.com>
Added Socket class for use with select and poll.