[Release] Re-set the working version to be 0.5.0 (as it has been set by error to 0.4.0).
[Release] Re-set the working version to be 0.5.0 (as it has been set by error to 0.4.0).

jwakely/travelccm,airsim/travelccm,airsim/travelccm,jwakely/travelccm