I have some suggestion about afk time calculation.
There are 2 types of getting "away" status:

1. player typed /afk into the chat. In this case "away" status immediately appears and this time do not count as "played" time. And this implemented already.
2. player does not make any action and after 5 mins (or 10 i don't know for sure) his status automatically set as "away". In this case 5 (or 10) mins should not be counted as "played" time.
   Is it possible to separate afk from user input and afk with taking no action?

Also it would be good for some players to know how much time do they afk in statistic section.

Sounds good, thanks for your suggestion.
I don't know if it is possible to detect whether the AFK status has been triggered by typing /afk or by not making any action for 5 minutes. In case it is not, maybe there is some workaround, but I cannot guarantee it.
Still, it is worth trying. I'll tackle it as soon as I have some free time.

About the AFK time in the statistic section, sure, it could be added and I think it is a good idea, thanks again!