Merge commit '722771973bd' into patches/lyslyskom22891031
* commit '722771973bd': (6177 commits)
Verify that callablep responses are aligned with reality.
Merge commit '2470270f500c728d10b8895314d8d8b07016e37b' into grubba/typechecker-automap
* commit '2470270f500c728d10b8895314d8d8b07016e37b': (18681 commits)
Removed the old typechecker.
Merge remote-tracking branch 'origin/8.1' into gobject-introspection
Merge branch '8.0' into gobject-introspection
Crypto: Added Nettle.ARCTWO and Crypto.Arctwo.
These are provided for compatibility with old crypto standards.