[http] HttpConnection: fixes a bug that causes an old abort-handler on aborts to be invoked on a reused connection object that did not get an abort handler assigned (yet)
[http] HttpServer: get rid of obsolete/dead hooks APIs
code documentation
[x0d] improve code maintainability for custom hooks in plugins by avoiding the need of explicit resource cleanups (done automatically now)
[plugins] compress: adapted to changes in plugin API
[plugins] status: adapted to changes in plugin API
autogen.sh: fix
[base] FileSink: adds a ctor to allow any arbitrary file descriptors as sink
[http] HttpConnection: always set custom status code (Hangup) for early-aborted-connections
[http] HttpRequest: setAbortHandler() signature improved
[http] HttpRequest: extends header types in push_back(name, value)
[plugins] cgi: revives and improves cgi plugin.