Tags give the ability to mark specific points in history as being important
Version 1.0.0, on CRAN First CRAN release. Extensive cleanup and documentation updates.
Version 0.5.0 Prune, parallel execution, agreement. Also some clean-up and documentation.
Version 0.3.0 Basic functionality done, version bump before some substantial changes in API, namely targets.
Version 0.2.0 First pre-release with early bugs sorted out and basic functionality like printing, plotting, testing and hierarchical sorting. Stuff is still rough, though.