UNKLINE <user@host>

Will attempt to UNKLINE the given user@host
Will UNKLINE a temporary KLINE.

UNKLINE <user@host> ON irc.server

Will attempt to UNKLINE the given user@host on servers
that match irc.server. irc.server can contain wildcards.

- Requires Oper Priv: oper:unkline
