Bukkit

Note - for CB 1.7.7+ Biggest update yet!

Added

• Color/Formatting code support!
• /justrules warn <PlayerName> <RuleNumberBroken> Warns <PlayerName> for breaking rule <RuleNumberBroken>
• /justrules setwarning <RuleNumber> <Warning> Sets the warning for rule <RuleNumber> to <Warning>
• Fixed bug where you can't edit the config.yml outside of in-game commands!

Permissions

• justrules.rules Permission for /rules
• justrules.admin Permission for all commands except /rules
• justrules.moderator Permission for /justrules warn <PlayerName> <RuleNumberBroken> (NEW)

None that I know of.