All the commands are posted randomly on the server chat as adverts.

Main ones are :

Bank - opens bank menu (20 slot)
Rank/Top10 - ranking
Killstats - killstats
Votemap/votekick etc - duh
Bet T 300 - betting (20 slot)

And I have changed the knife thing, but DCH won't let me upload it because it's host servers are down or w/e.