* **multiphase:** Break down grouping command in several functions ([1141bd7](https://github.com/ladybug-tools/honeybee-radiance/commit/1141bd76c085c62045080f42e52c6df7bbbd14c3))
* **multiphase:** Add flag to use orientation-based grouping ([23b50b6](https://github.com/ladybug-tools/honeybee-radiance/commit/23b50b6d9671330fc46f17cb306c551db50fa2cc))