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.

#!/bin/sh

unset HGUSER
EMAIL="My Name <myname@example.com>"
export EMAIL

hg init test
cd test
touch asdf
hg add asdf
hg commit -d '1000000 0' -m commit-1
hg tip