* With one list it is much simpler, and is used in NAMES, WHOIS, PRIVMSG etc.
*
* If there is only one list and there are duplicates in it, then the command handler is only called for
* With one list it is much simpler, and is used in NAMES, WHOIS, PRIVMSG etc.
*
* If there is only one list and there are duplicates in it, then the command handler is only called for