initial draft of the composable rewrite.
added new examples
.gitignore: lets enforce use of build directory instead of building inline
code cleanup
move setHandled semantic out of low-level http api layer
HttpFileHandler: some content-length fix
fix superfluous Server response header
TODO updates
code adaptions
implements API to respond to `Expect: 100-continue`-requests
TODO update
InetEndPoint: implements localAddress() / remoteAddress()
initial logging facility
minor
cleanup
snip
implements proper default-exception handling
[net] Connection: abort() in onInterestFailure() by default
overall code cleanup, completions & minor fixes
HttpStatus: implements to_string(HttpStatus)