Introduce VariableKit
Extract PiiVersionKit
Get rid of the Testing config to make Swift happier
Don't crash when deleting previously unknown files
Extract PackageManagerKit (and a bit of LRCommons)
Extract EditorKit
ATPathSpec: RegexKitLite → NSRegularExpression
Turn ATPathSpec into a real framework
Fix ATPathSpec ref in tests
Extract FileSystemMonitoringKit
Merge branch 'feature/extract-common-frameworks' into develop