- Adds hashing and shortening to enforce max key length (@bshaffer)
- Fix for better PSR-6 compliance - verifies a hit before getting the cache item (@bshaffer)
- README fixes (@bshaffer)
- Change authorization header key to lowercase (@stanley-cheung)
- Export callback function to update auth metadata (@stanley-cheung)
- Adds an implementation of User Refresh Token auth (@stanley-cheung)