Clean up warnings to get pod to validate.

Attempt to get CocoaPods build working.

Merge pull request #110 from AverageHelper/master

Add SwiftPM support

Merge pull request #100 from iosdevzone/github-issue-99

Remove some obsoleted constants.

[CocaPods] Bump version.

Update to Swift 5.0

[CocoaPods] Update .swift-version.

[CocoaPods] Remove more pseudo-framework related cruft from podspec.

[CocoaPods] Remove prepare_command; it's not longer needed.

Merge pull request #90 from iosdevzone/swift-4.2.1

Update to Swift 4.2.1