[WIP] Types
Types to be used with ROS: is operator; Lua: isa function.
Types:
ship: Ship - Ship / vessel / vehicle.body: SpaceBody - Space/celestial body.part: Part - Ship part.link: LinkPart - Decoupler, separator, engine plate, launch clamp or docking port.decoupler: Decoupler - Decoupler, separator or engine plate.dock: DockingPort - Docking port.port: DockingPort - Docking port.clamp: LaunchClamp - Launch Clamp.engine: Engine - Engine.sensor: Sensor - Sensor.