Updated to 67.4.1.0 today.

Changelog:

ADD: Opchat to show who muted who
ADD: Heartbeat to hawknetcomputing.co.uk (no purpose as of yet)
ADD: Feedback for sending rules to a user
ADD: /move [player] jail for if they manage to escape somehow

CHANGE: Removed redundant opchat message when a user hides themselves
CHANGE: Removed redundant nickname in /slap
CHANGE: Removed ability to kill, mute and jail yourself
CHANGE: Added maxmum players to Console Total Players count
CHANGE: /team scores now global messages
CHANGE: Properties - Increased the Host State textbox limit
CHANGE: Developers colour from blue to Purple
CHANGE: Remove Developers title if they already have one
CHANGE: Add op messages to /per(visit/build) commands
CHANGE: Operators can now undo 24 hours worth of others' builds
CHANGE: HalfOps can undo 12 hours worth of others' builds
CHANGE: /send now shows the correct nickname colour on messages
CHANGE: Remove confusing permissions to use /kill
CHANGE: /title's confirmation message now shows the title in the users rank colour
CHANGE: Altered title character limit to 20 to stop database complaints

FIX: Heartbeat not returning the URL correctly
FIX: Issue with users behind the same NAT being rejected from full servers
FIX: Issue with users on the same host being rejected from full servers
FIX: Issue with rules' help strings displaying the wrong string to a rank
FIX: Issue with player limit not taking effect

REMOVE: Heartbeat to 'TCHalo.tk'
REMOVE: '!' is no longer used to denote commands

Please let us know if you find any bugs.