• Add Apple Music identifier to whitelist
• Add Package.swift
• Add function to stop the MediaKeyTap

• Avoid TIS/TSM error due to creation of NSEvents on a background thread.

• Mark callbacks as @escaping after https://github.com/apple/swift-evolution/blob/master/proposals/0103-make-noescape-default.md

• Add manual activation function to allow for the current application to be activated without receiving an NSNotification.

• Updated to Swift 4.

• Updated to Swift 3.
• MediaKeyTapDelegate's handleMediaKey method has been renamed to handle(mediaKey: MediaKey, event: KeyEvent)

Initial Release