evolve: raise MultipleSuccessorsError when computing dependency for split commits We don't know how to handle dependency for split commits yet. When facing a splitted commit, instead of silently adding the first successor to the dependency list and fail later, we do nothing.

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