IPv6 support for signup and comment author
Following on from #69 (closed), it was noted that cm_users.signup_ip and cm_comments.author_ip are still limited to IPv4.
The former means it's not possible to sign up using IPv6.
Following on from #69 (closed), it was noted that cm_users.signup_ip and cm_comments.author_ip are still limited to IPv4.
The former means it's not possible to sign up using IPv6.