No, Nutcache does not handle credit for now, but this is something we intend to add to Nutcache's future development.

At Nutcache we welcome your comments, suggestions, and requests. Please take the time to visit our Feature Requests forum to post your suggestion. Requests added in the forums are closely monitored and we provide status updates when specific features are Planned, In Progress or Implemented. Also, other users can vote on suggestions, and highly popular suggestions can influence our feature development schedule.
You can see current suggestions and add your own by visiting the Feature Requests forum.