See #42.
- Update to Xcode 7 (#41)
- Update to iOS 9, some breaking changes and deprecation (#44, #51)
- Allow using WKWebView or similar to prevent App Store rejection (#45)
- Use SFSafariViewController instead of Mobile Safari (#46)
- New endpoint methods (#47)
- Generic NBClient endpoint methods for other API endpoints (#48)
- NBClient should conform to NSURLSessionDataDelegate (#49)
- Updates due to API changes (#50)