Intermediate backup of Device component re-work.

src/context/service/database/ConfigModel.py

src/context/service/database/EndPointModel.py

src/context/service/grpc_server/ContextService.py

src/device/_old_code/Tools.py

src/device/service/DeviceService.py

src/device/service/DeviceServiceServicerImpl.py

src/device/service/__main__.py

src/device/service/data_cache/DataCache.py

src/device/service/data_cache/DeviceTools.py

src/device/service/data_cache/__init__.py

src/device/service/data_cache/database/ConfigModel.py

src/device/service/data_cache/database/ContextModel.py

src/device/service/data_cache/database/DeviceModel.py

src/device/service/data_cache/database/EndPointModel.py

src/device/service/data_cache/database/Tools.py

src/device/service/data_cache/database/TopologyModel.py

src/device/service/data_cache/database/__init__.py

src/device/service/driver_api/DriverFactory.py

src/device/service/driver_api/DriverInstanceCache.py

src/device/service/driver_api/Exceptions.py