soomla/ios-store — pull request #24 by HolymarsHsieh (2014-04-24 11:58:47+00:00)
Title: Fix receiptUrl for iOS 6-.

If the receiptUrl is null, the EventHandler will raise an exception while generating userInfo.
After I remove the receipt from userInfo, Unity raise an exception while parsing it.

So I find the simplest way to solve this is making a mock URL for iOS 6- version.