This command displays recent (up to the last 150) imms.
You must be a god, avatar or hero to use this channel.
Level 31 characters who are not yet heroes may use IMMLOG but may not use
IMM to talk on the channel.
SHOWIMM - show the last twenty imms
SHOWIMM 5 - show the last five imms
SHOWIMM ozy - shows imms containing "ozy"