found that project IDs were in conflict across other projects that in…

…clude libHttpClient -- somewhere the project IDs got corrupted through a merge or something. (microsoft#487)

Fixup the 2019 solution (microsoft#483)

Build/libHttpClient.Apple.C/libHttpClient.xcodeproj/project.pbxproj

Handle httpCall that completes after HCCleanup is called (microsoft#420)

* Handle httpCall that completes after HCCleanup is called

* Change log to warning

1910 preview1

1809 qfe3