[1.18.0](https://github.com/ladybug-tools/honeybee-radiance/compare/v1.17.4...v1.18.0) (2020-05-19)
Bug Fixes
* **sky:** Allow altitudes below the horizon for twilight conditions ([2ed0db8](https://github.com/ladybug-tools/honeybee-radiance/commit/2ed0db8092eb8fa87ffa42692dd9c830727cbcf0))
Features
* **cli:** Add commands to translate model JSON to rad and rad_folder ([b0b51d9](https://github.com/ladybug-tools/honeybee-radiance/commit/b0b51d9527de135d84e343085456993a01c76473))