Features
Set what you want displayed when /help is used.
Create sub help categories like /help guns and set what you want displayed.
Commands
/chelp help
/chelp reload
/help
/help <specific>
If useShortHelp is set to "true" in the config:
/?
/? <specific>
Permissions
Permission to use the /help command:
custom.help.use
Permission to reload the help config:
custom.help.reload
Coloured Text
You can have coloured text, just use the Formatting codes shown on the Minecraft Wiki:
http://www.minecraftwiki.net/wiki/Formatting_codes

Custom Help Messages 2.0
Instructions for the server