Merge pull request #8 from PSPDFKit/rad/update-for-8.5

Update for Xcode 10.3 and PSPDFKit 8.5 for iOS and 3.5 for macOS

Merge pull request #7 from PSPDFKit/rad/update-for-8.3.0

Update for PSPDFKit 8.3 for iOS, PSPDFKit 3.3.0 for macOS, Xcode 10.2 and Xcode 10.2

Update for PSPDFKit 8.2 for iOS and 3.2 for macOS

Update Xcode version in the README

Update PSPDFKitExample to Swift 4

Update tag in the example project’s Podfile

Release 1.0.1

Set PSPDFKit/Swift version dependency.