0.19.3

• Automatically pass integration-relevant data to traces_sampler for AWS, AIOHTTP, ASGI, Bottle, Celery, Django, Falcon, Flask, GCP, Pyramid, Tryton, RQ, and WSGI integrations
• Fix a bug where the AWS integration would crash if event was anything besides a dictionary
• Fix the Django integrations's ASGI handler for Channels 3.0. Thanks Luke Pomfrey!