Swift 4

Updates codebase to Swift 4 and made recommended project changes

Adjusts when statusChangedNotification is sent

The notification is now sent after the current user status has updated.

Introduces support for macOS

This repo can now be used on macOS too. The CloudKit identifier can now also be updated, which is a requirement if you want to build a cross-platform app that uses the same CloudKit identifier.

v1.3.0

v1.3.0 (fastlane)