Support Xcode 11 changes

[pepicrft]

Context 🕵️‍♀️

This issue contains all the changes introduced by Xcode 11 that it'd be great to support from XcodeProj:

• Swift Packages
  • Issue: Add support for SwiftPM Packages #438
  • PR: Add support for the Swift Package Manager #439 Swift Package fixes #444
• WatchKit containers
  • PR: Added Product Type for WatchKit2AppContainer (i.e Independent Watch Apps) #441
• Launch custom commands
  • Context: https://twitter.com/wlisac/status/1136893256543789056
  • Pull request: Add customLaunchCommand attribute to the launch action #451
• Test plans
  • PR: Add test plans support #491
• Development assets.
  • (These are just in the target's DEVELOPMENT_ASSET_PATHS build setting, so nothing to update)
• platformfilter in PBXBuildFile:
  • Pull request: Add PBXBuildFile.platformFilter attribute #494

PBXBuildFile platformFilter

CC97567A2302C9FA0068CA22 /* Yams in Frameworks */ = {isa = PBXBuildFile; platformFilter = maccatalyst; productRef = CC9756792302C9FA0068CA22 /* Yams */; };

References

• CocoaPods' Xcodeproj update

[yonaskolb]

I've been adding things above as I find them

[pepicrft]

Thanks @yonaskolb. Highly appreciated 🙏

[yonaskolb]

I believe all these items have been completed. I've updated the description with PR links, and closing this now