Merge branch 'main' into develop

Merge pull request #31 from FabrizioBrancati/develop

Queuer 3.0.0

Updating to Xcode 11.2

Updating changelog

Bumping version to 2.0.1

Minor change

Merge branch 'develop'

Updating to Swift 4.1

Fixing builds

Bumping version to 1.2.1