* **AirBoundary:** Change name from AirWall to AirBoundary ([ea3b2ba](https://github.com/ladybug-tools/honeybee-core/commit/ea3b2baa7ba35f169e2c319e49cd6f928c9fee1b))
* **default:** Do not use mutable objects for input argument defaults ([3bfffed](https://github.com/ladybug-tools/honeybee-core/commit/3bfffed0aa629fb0dd97742f32412b500788ef5d))
* **model:** Add properties for units_system and tolerance ([edf17f4](https://github.com/ladybug-tools/honeybee-core/commit/edf17f43a42b7b8b9de835fad6955ff9265a54d9))
* **boundarycondition:** Update based on recent schema change ([a5a4535](https://github.com/ladybug-tools/honeybee-core/commit/a5a453524168ff6978606101d338778bf6e515e2))
* **shade:** Add property to track whether Shade is on the indoors ([8800a50](https://github.com/ladybug-tools/honeybee-core/commit/8800a5092c3a03c1d43c7a44ab50dd6d06918a43))