* added new utility funtion is model list / aircraft list
* added setters/getters for CSimConnectObject
* added setters/getters for InterpolationStatus / PartsStatus
* added CSimConnectObjects (better encapsulation)
In the past we used one situation list, now a map (per callsign).
The assert was checking if the callsign is really correct for that situation, now we can just set the callsign.