Fix task metadata fetching

This fixes task metadata

AWS Batch

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

Also, improve logging

Timers and bug fixes

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

Fix bug in the lambda handler

Improve Exception Handling

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.

Fix API

This release removes an API method which had no implementation

Update Description

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

First Release

This is the first release of the project to pypi. The basic functionality is here, but it needs some tests and probably more usage examples