Merge commit '722771973bd' into patches/lyslyskom22891031
* commit '722771973bd': (6177 commits)
Verify that callablep responses are aligned with reality.
Merge remote-tracking branch 'origin/8.1' into gobject-introspection
More updates and a test for continents.
Removed trailing spaces.
Allow for even lower precision in the test.
Use variant to support multiple constructors. Serialize correctly. Added more protected. Removed some 8bit strings.