evolve: add a command to split commits Before this patch, to split commit one had to use prune. This patch adds a new command called split that prompts the user interactively to split a given changeset with record/crecord.

syntax: re
/figures/[^/]+\.png$
^docs/build/
^docs/html/
^html/
\.pyc$
~$
\.swp$
\.orig$
\.rej$
\.err$
^tests/easy_run.sh$
^build/
^MANIFEST$
^docs/tutorials/.*\.rst$
\.ico$