Bukkit

What is the enhancement in mind? How should it look and feel?
Permissions-Based Cooldowns / Timers
I want certain groups to be able to use their disguises for longer period of times, but I don't want to give them infinite amounts of time.

Please provide any additional information below.
Something like what the plugin HomeSpawnPlus has in its configuration, here is an example of something I would like for the plugin.

default:
    player: 15
    bat: 60
    ocelot: 60
cooldown: 600
group1:
    permission:
    - my.custom.permission
    timers:
        player: 30
        bat: 120
    cooldown: 300
group2:
    permission:
    - my.other.permission
    timers:
        ocelot: 180

Groups in the example like "group1" and "group2" can be named anything.
The group can have a different cooldown, but if it doesn't have a different cooldown from the default, then it goes to the default instead for all groups. Works the same way for timers.

This is probably something that will be hard to implement, but I would very much like to have it.