kike: implement NOTICE
kike: implement the KICK command
kike: set the OpenSSL's session ID context

Fixes handshake failure on session reuse attempts.
kike: fix wildcard matching

It wasn't IRC case-insensitive.
kike: users also match their servers
kike: implement the ISON command
kike: implement the WHOIS command

The code is starting to stink a bit, refactor imminent.
kike: don't send channel messages back