* Add node creation and deletion * Add exchange creation and deletion * Change data format for creation from `targets` to singular `target`. Not a breaking change as creation was unsupported previously.
0.4
* Add `create_excel_template` function * Add all [SPDX](https://spdx.org/licenses/) licenses
0.3
* Allow optional propagation of extra transformation attributes
0.2.2
* Fix validation of contributors as list
0.2.1
* Added `.sample()` and `.schema()` convenience functions * Added some more SimaPro mapping
0.2
* Add validation when adding data * Updated imperfect migrations * Added many migration files