* Replace all time.Sleep() with <-time.NewTimer().C
* Add log.debug callback to all incomming network events
* Use slices.Contains() instead of iterating slices in for Loop
* Implement i-am-bot, +B, flag grabbing.
* Move collections to internal packages.
* Postpone nickserv login sequence to 376 and 422 events, as it should be after motd message
* Postpone join channels to 376 and 422 events, as it should be after motd message
