Pierre-Yves David <pierre-yves.david@octobus.net> [Sun, 10 Dec 2017 01:38:48 +0100] rev 3261
stablerange: make use of the limit argument in 'mergepoint'
This will eventually avoid doing full iteration on ancestors of the head when
retrieving the range content.
Pierre-Yves David <pierre-yves.david@octobus.net> [Sun, 10 Dec 2017 01:33:39 +0100] rev 3260
stablerange: introduce a smarte version of stablerange for 'mergepoint'
This implementation will using caching and smarter algorithm based on these
cache. For now it inherit most of it code from the dummy version for
convenience. The inheritance to the dummy version should be dropped eventually.