* **room2d:** Add methods to join with polygon ([21f40c8](https://github.com/ladybug-tools/dragonfly-core/commit/21f40c80639f7f3888fca013bf47e3ed07802dca))
* **building:** Add support for perim offset in footprints with holes ([4fd2f9f](https://github.com/ladybug-tools/dragonfly-core/commit/4fd2f9f5c984b10b93505de472759f8a5da13c68))