Stephan Heilner

Results 2 issues of Stephan Heilner

* Bumped minimum deployment target for OSX to 10.11 since `NSKeyedArchiver.archivedData(withRootObject: data)` is only #available on iOS 10.11 or higher. * Updated .travis.yml file for Xcode 10.2 * Fixes https://github.com/matthewpalmer/Locksmith/issues/207