Juno Buddy Hack 1.4 + Redeem Codes

The Sentry Juno Access Control library users can simply open Juno Buddy and produce a barcode that will act the same way as their normal library card. Juno Buddy provides additional information about the patron (e.g Expiry, Visits) and messages from the Access Control and Room Booking system.
All the interaction between the application and the database is done using an API.