there are a lot of fixes to the hg module in 1.1 that were not in 1.0.
We may backport these later to a 1.0.1 (TBD, I'm not certain that we
will if we do not have other critical fixes), but if you are looking
at 1.0, you may want to pull the hg module source forward. The docs
reference the new usage.
--Michael