In this update the switch is made from the custom built `CachedProperty` class to the `cached_property` class provided by the [cached-property](https://pypi.org/project/cached-property/) package.
1.2.3
Minor internal update. Also removed unnecessary kadmos dependency.
1.2.2
Minor update to the core of OpenLEGO.
1.2.1
This minor update removes the deprecated properties of `AbstractDiscipline` relating to the JSON files that used to be a part of Disciplines.