- Add support for hierarchical parameters and formulas (expressed as strings), with automatic and recalculation of dependencies - Make Activity.upstream() more flexible
2.4.7
- Fix bugs in `merge_databases`
2.4.6
- Fix bug where `negative` value wasn't used in exchange proxy uncertainty dictionaries
2.4.5
- Add database merging function (bw2data.utils.merge_databases)
2.4.4
- Fix license text
2.4.3
- Specify encoding of license file, and then don't. Yeah computers.