* introduced PhysicalPath
* PhysicalLink now has accessors for physical paths and allocated exchanges
* PhysicalPath now has accessors for involved links and allocated exchanges
* PhysicalArchitecture now has accessors for all_physical_paths and all_component_Exchanges
* added link between port and state machines (fa)
* added tests and test items for all new features
* updated API model
**Full Changelog**: https://github.com/DSD-DBS/py-capellambse/compare/v0.4.4...v0.4.5