tests/test-hgrc.out

demandload: implement __call__
demandload can now load functions and classes, and not just modules.

(So if you access foo() rather than just foo.* it still works).

demandload still doesn't work for constants.

abort: Failed to parse .../t/.hg/hgrc
File contains no section headers.
file: .../t/.hg/hgrc, line: 1
'invalid\n'