Function send_privmsg_ctcp

Send privmsg ctcp.

	void CL_IRCConnection::send_privmsg_ctcp(
		const CL_String8 & receiver,
		const CL_String8 & command,
		const CL_String8 & data);

	void CL_IRCConnection::send_privmsg_ctcp(
		std::list< CL_String8 > & receivers,
		const CL_String8 & command,
		const CL_String8 & data);