What's Changed
* Add pip install by jbousquin in https://github.com/USEPA/harmonize-wq/pull/21
* Add demo in R by jbousquin in https://github.com/USEPA/harmonize-wq/pull/35
* Update requirements.txt by jbousquin in https://github.com/USEPA/harmonize-wq/pull/44
* Update to main by jbousquin in https://github.com/USEPA/harmonize-wq/pull/48
* Reticulate demo test by jbousquin in https://github.com/USEPA/harmonize-wq/pull/49
* New release 0 3 8 by jbousquin in https://github.com/USEPA/harmonize-wq/pull/53
* New release 0 4 0 by jbousquin in https://github.com/USEPA/harmonize-wq/pull/54
**Full Changelog**: https://github.com/USEPA/harmonize-wq/compare/0.3.0...0.4.0