bump_version            Bump package version
commit_version          Commits NEWS.md and DESCRIPTION to Git
create_demo_project     Create example repo for fledge demos
finalize_version        Finalize package version
get_last_tag            The most recent tag
get_top_level_commits   All top-level commits
tag_version             Create a new version tag
unbump_version          Undoes bumping the package version
update_news             Update NEWS.md with messages from top-level
                        commits
update_version          Update NEWS.md and DESCRIPTION with a new
                        version
with_demo_project       Run code in temporary project
