Swift 5.10.1 Release

Merge pull request #73 from cwakamo/modernize-projects-and-builds

Modernize the PlaygroundSupport and PlaygroundLogger projects and their builds.

Swift 5.10 Release

Merge pull request #73 from cwakamo/modernize-projects-and-builds

Modernize the PlaygroundSupport and PlaygroundLogger projects and their builds.

swift-4.2.2-RELEASE: Merge pull request #30 from cwakamo/prevent-recursive-logging-4.2

[4.2] [PlaygroundLogger] Add checks in the logger entrypoints to prevent recursive logging.

Swift 4.2.1 Release

Merge pull request #30 from cwakamo/prevent-recursive-logging-4.2

[4.2] [PlaygroundLogger] Add checks in the logger entrypoints to prevent recursive logging.