drop suspicious import in evolve introduced by 97ce1f801309 Thanks to Bryan Murdock for reporting the issue.

prune: handle bookmark

test-prune: simplified log output useful to testing bookmark later

prune: update inline documentation

prune: more command switch idea

prune: documentation update

prune: add an informative message about the number of pruned changesets

prune: test and improve message of immutable aborting.

prune: turn one of the test changeset public

prune: add test and more robusness

prune: detect bad input We accept multiple changeset folded into one successors. One changesets split in multiple successors. But we refuse multiple changesets split in multiple ones.

simplify locking in prune

prune: rename --new to --succ This is closer to want the documentation says.

prune: improve command function name

prune: fix doc

evolve: drop uneeded noderange function We can use revrange instead