v1.2.0

Removed UserDefaults repository since it is quite strange storage and added BufferRepository - super lightweight in-memory storage based on RxRelay to make it work smoothly with RxXRepository extension.

XRepository v1.1.0

Removed Rx support in favour for ReactiveXRepository.

XRepository v1.0.0

Initial release of XRepository.
Added support for UserDefaults, Realm & FileSystem. Also made sure all tests are bypassing.