Permissions (Listed from highest permissions to lowest):
r: Root       (Can create new admins.  Assignable only in config.py)
a: Admin      (Full access to all function)
o: Operator   (All functions that do not affect the bot at the server level)
m: Moderator  (Power over users and channels, can kick and ban)
u: User       (Additional features requring a datastore)
g: Guest      (The default level, anyone not in the userdb has "g" perms and no datastore)
b: Banned     (Banned users, no function will work for them except ones with b perms)

If you encounter [x] at the end of a command description in /help,
it means that this command will require [x] permissions to be used.