* **runperiod:** Improve to_idf to align with OpenStudio ([3a83e0e](https://github.com/ladybug-tools/honeybee-energy/commit/3a83e0e12bfc471c7cf53d28965ff2134b3a3cea))
* **opaque:** Fix bug in the creation of soil_layer material ([31e42dc](https://github.com/ladybug-tools/honeybee-energy/commit/31e42dc1e4c6e09b8b133ffed35aa1550b8feaa6))
* **ruleset:** Add better default for design days ([347a376](https://github.com/ladybug-tools/honeybee-energy/commit/347a3761d00a4c91c884b9110735831decc5e981))