Hey, I'm trying to follow the instructions in the docs but something isn't going right or I've misunderstood the purpose of the plugin.

I wish to assign all players a permission for every 3 hours of play time, e.g, after three hours they have entitylimit.level1, three hours after that entitylimit.level2 and so on. Can this be done with this plugin and could you provide an example? 

Thanks in advance.