Airline

This fixes task metadata

Add wrapper for a function in an AWS Batch task. This annotates with various batch metadata

Also, improve logging

Add a new `timer()` decorator for timing function calls

Fix bug in the lambda handler

This new release provides much more richly formatted exception handling - full stack traces get populated into the release.

Also, the main API is type annotated.

This is really just to update the description and classifiers on pypi

This release removes an API method which had no implementation