$ git revert  bf955770860d2ab96986e6cff0302d9b4e7c9f93
warning: Cannot merge binary files: node.db4o (HEAD vs. parent of bf95577... Upd
ate)

Automatic revert failed.  After resolving the conflicts,
mark the corrected paths with 'git add <paths>' or 'git rm <paths>'
and commit the result.