Acces for user level

Hi, and thanks for this functional no-bloat plugin.

Is this still under development? If so, could you consider adding a functionality to select the user level that has access? For instance, when I want to allow a user to preview the website without making changes, it would be nice to be able to allow subscribers to log in as well.

I know this can be done using other plugins, but they are not as nice.

Bedankt!