What's Changed
* Fix default workflow types initialization by simleo in https://github.com/ResearchObject/ro-crate-py/pull/124
* Support detached crates by simleo in https://github.com/ResearchObject/ro-crate-py/pull/119
* Allow additional types for root dataset by simleo in https://github.com/ResearchObject/ro-crate-py/pull/126
* Entity method for appending to property values by simleo in https://github.com/ResearchObject/ro-crate-py/pull/127
* Cleanup by simleo in https://github.com/ResearchObject/ro-crate-py/pull/129
**Full Changelog**: https://github.com/ResearchObject/ro-crate-py/compare/0.6.1...0.7.0