Swift 4.2 Support

As of Siren v3.5.0, , all future changes on master will be done in Xcode 10 using Swift 4.2.

For those using Swift v4.1.0, please check out the swift4.1 branch or version 3.4.3 - both point to the same commit hash.

Updated German Localization

• #218: Updated German Localization (thanks to @TitouanVanBelle)

Updated Opening URLs Method

• #216: Now handling openURL deprecation properly (thanks to @ryanthon).

Updated Delegate Method & Sample project

• #214: Adds localized title to the sirenDidDetectNewVersionWithoutAlert delegate methods (thanks to @gabmarfer)
• Updates the sample project to point to the App Store Connect app instead of iTunes Connect Mobile, as it supersedes it.

SirenDelegate Enhancements

• #210: Added a new delegate method that returns the Swift representation of the JSON payload from a successful version checking request.

  sirenNetworkCallDidReturnWithNewVersionInformation(lookupModel: SirenLookupModel)

More SirenLookupModel Enhancements

• #206 (comment): SirenLookupModel's releaseNotes property is now an optional.
  • Thanks to @bawelter for pointing out the optionality of this property.

SirenLookupModel Enhancements and Bug fixes

• #206: SirenLookupModel now parses out the releaseNotes.
• Rare crash when parsing SirenLookupModel (thanks @jstheoriginal)

Changes to accommodate Swift 4.1

• Minor change to SwiftBundleExtension that made the entire library Swift 4.1 compliant.

Modernized Podspec file

• Updated Podspec file (since it hasn't been updated much since 2016).
• Removed .swift-version file, as it's been deprecated.

Improved Brazilian Portuguese Localization

#201: Minor change to the Brazilian Portuguese Localization Strings (thanks to @txaiwieser)