util: add missing r prefix on some __setattr__ calls
# skip-blame just a pair of r prefixes
Differential Revision: https://phab.mercurial-scm.org/D2560
tests: add some re and globs for test-revset on python3
At this point we're down to two deprecation warnings (which I suspect
are showing a bug in the test?) and one weird-looking failure. Progress!
Differential Revision: https://phab.mercurial-scm.org/D2559
tests: add missing b prefixes and fix a %s to %d in test-revset.t
# skip-blame just b prefixes and a %d instead of %s
Differential Revision: https://phab.mercurial-scm.org/D2558