Carthage binary for Xcode 9.0.1

Merge pull request #265 from ewanmellor/stable-xcode-9.0

Upgrade project and scheme files for Xcode 9.0.

Binary framework for Carthage

Merge pull request #265 from ewanmellor/stable-xcode-9.0

Upgrade project and scheme files for Xcode 9.0.