Replaced reference to NSURLCacheStorageNotAllowed with NSURLRequestReloadIgnoringLocalCacheData, which is of the type the method expects, and has the same intended effect. This StackOverflow answer also indicates this as a proper solution: http://stackoverflow.com/a/20739049/105717. (Issue #57)
Removed lines from .gitignore file that don't apply, since there is no Xcode project