1. There is a wiki on wikia.com named warspedia but for some reason I'm not able to find it now
There is no level in spite you got rank, rank increases with reputation wich is a reward from quests.
Actually there is PVP since last patch but with no reward right now and guilds/friendlist are under develop.
2. Yes it is beta (version 0.7) there's not much info about the game develop but you can go to suggestion forum and see what community wants for this game.