revset: add 'l' flag to formatspec for args
This makes it easy to calculate a revset with lists:
good = [1, 2, 3]
bad = [10, 11, 12]
between = repo.set('%ld::%ld', good, bad)
bisect: add some bisection examples, and some log revset.bisect() examples
Add a few examples on how to use bisect:
- a few bisection examples
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>