+h CTCP queries (contributer bots)
-----------------------------------
ROLL utc rand(nick)
  - hourly. used to build shift queue. loops ascending order

ANNOUNCE bot id "filename" filesize timestamp
  - alerts +v bots of new (non-invalidating) pack

DIFF bot id "filename" filesize timestamp
  - alerts +v bots of change in packlist meta


+v CTCP queries (leecher bots)
-------------------------------
INIT
  - current bot on shift should reply with a DCC SEND request containing packlist database
  

+o and up commands (people)
---------------------------
.stats user0[,user1[,...]]
  - replies with stats in a privmsg

.stats all
  - all bots reply with their upload/download stats and timezone in a privmsg

.invalidate bot0[,bot1[,...]]
  - forces packlist invalidation of specified xdcc bots