NJUPE <nick> :<reason>

-- Jupe a nick
Will create a jupe for the given nick, stopping local
users using the nick. Does not affect remote clients.

If the oper is an admin, they may create a wildcard
nick jupe, for example: clones*

NJUPE <nick> ON irc.server :<reason>
will jupe the <nick> on irc.server if irc.server accepts
remote jupes.
