relaxed a bit the config requirements for webserver/ssl
XMPP is a backend like another one, removed it from hard dependencies
increased the gravity of a missing core lib
removed useless imports
refactored IRC backend with a simpler lib + python 3 compatibility
removed the strict dependency on sleekxmpp
yes but rocket is necessary
refactoring to ease unit tests
some regressions fix
simplifies the testing for plugins
added the timeout parameter for long running commands
added platform param