Add a test suite
Purge the 'bert' executable

The main reason is that it needs some love (proper command line handling, server
support etc.) but I don't have the time for it right now. Also, it really
belongs to a separate package.
Change the transport abstraction
Update/remove module headers
Update (c)
Re-export tcpClient and tcpServer from Client/Server modules
Add a network test
Remove stale bracket
Server: cleanup resources
Add a test for multiple requests
Increase TCP backlog
More network tests
Bump version