Users with an absurd number of alternate names make Izzy's messages too long to post #563
Description
Today Izzy was unable to response to .uinfo commands or post the usual "user was banned" message for a specific user because they had far too many names:
Presumably the only solution is to truncate such messages.
Izzy already has dynamic truncation code in a few other places, particularly her pagination code, which makes this a good first issue.