v3.0

Elevators work in network.

V3.1

Same as 3.0 just removing some export_all

v2.0

All elevator logic works on a single elevator. Elevator deletes all orders on a floor if it makes a stop. Floor lights are not yet implemented.

v1.1

Elevator works on one single elevator without any network module. Lights are not implemented and elevators serve all orders whenever stopping. Fixed small bug from v1.0