==================
- WARNING: we do no longer support python2. python3.3+ is required.
- WARNING: realname is now username and userinfo is now realname in config
- Introduce some plugins: fifo, shell_commands, pager
- Add ``flood_burst`` and ``flood_rate`` options. Queue outgoing messages in a
single queue handle by ``send_line('...', nowait=False)``.
- ``bot.async`` is now aliased to ``bot.async_cmds`` to be able to use ``await``