message: expose PythonComponent to blueprints, close
diff: -UCLASS(ClassGroup = (Python), meta = (BlueprintSpawnableComponent))
  +UCLASS(BlueprintType, Blueprintable, ClassGroup = (Python), meta = (BlueprintSpawnableComponent))
  class UPythonComponent : public UActorComponent
  {
  GENERATED_BODY()
  