Enable running more then one instance of server

If we can get port number 0 the bind() will find a free port.
And we will set it to server.

This way each session on same machine won't interfer with each other.

Signed-off-by: Noam Camus <noamc@ezchip.com>
Merge pull request #7 from EZchip/master

Enable running more than one server instance