Changelog
v0-1-0
v0.1.0
Initial
v0-1-1
v0.1.1
Occupation status and time is writeable, so that this can be updated on boot.
v0-1-2
v0.1.2
Occupation status directly readable.
v0-1-3
v0.1.3
Fix for v0.1.2. Ensure occupation timeout is started when it is explicitly set to occupied with HcSr501Occupation.MovementSensor.set_occupied/2