cvasilak/aerogear-push-ios-registration-swift — pull request #1 by corinnekrych (2014-07-04 17:50:36+00:00)
Title: Suggestions

interesting documentation on optional chaining
https://developer.apple.com/library/prerelease/mac/documentation/Swift/Conceptual/Swift_Programming_Language/OptionalChaining.html

I prefer it over using unwrapped. wdyt?