CONSOLE MESSAGE: Origin null is not allowed by Access-Control-Allow-Origin.
CONSOLE MESSAGE: Beacon API cannot load http://localhost:8800/WebKit/beacon/resources/beacon-preflight.py?allowCors=1&cmd=put&id=0c7a3193-4622-4ee7-b916-9d05ac75ddcd&redirect_status=307&location=http%3A%2F%2Flocalhost%3A8800%2FWebKit%2Fbeacon%2Fresources%2Fbeacon-preflight.py%3FallowCors%3D1%26cmd%3Dput%26id%3D0c7a3193-4622-4ee7-b916-9d05ac75ddcd&count=1. Origin null is not allowed by Access-Control-Allow-Origin.
