Add SearchItunesFor function as part of this walkthrough: http://ios-blog.co.uk/tutorials/developing-ios8-apps-using-swift-part-2-connect-to-the-itunes-search-api/
Add the serialization functions that turn the JSON result into a NSData and Table Results
Completed Walkthrough! http://ios-blog.co.uk/tutorials/developing-ios8-apps-using-swift-part-2-connect-to-the-itunes-search-api/