[1.21.0](https://github.com/ladybug-tools/honeybee-radiance/compare/v1.20.10...v1.21.0) (2020-07-06)
Bug Fixes
* **cli:** set env to None if folders.env == {} ([f8ab610](https://github.com/ladybug-tools/honeybee-radiance/commit/f8ab61018c2a4808fba63468824985c51345cf9a))
* **octree:** add os.environ to env ([00fed38](https://github.com/ladybug-tools/honeybee-radiance/commit/00fed385c59bc97008fbd51bd03bb50a63437a97))
Features
* **cli:** add octree command ([1261610](https://github.com/ladybug-tools/honeybee-radiance/commit/12616102a30985c403705c8443c94ed197f2ae01))