add feed support, tests and integration tests

[xmikew]

No description provided.

[google-cla]

Thanks for your pull request! It looks like this may be your first contribution to a Google open source project. Before we can look at your pull request, you'll need to sign a Contributor License Agreement (CLA).

View this failed invocation of the CLA check for more information.

For the most up to date status, view the checks section at the bottom of the pull request.

[xmikew]

Fixes #30

[xmikew]

Forgot to add the google-style docstrings, will fix up when I get a chance.

[mihirvala08]

Could you provide example usage as well? It will help for updating documentation and adding missing tests for CLI.

Thanks.

[mihirvala08]

Could you provide example usage as well? It will help for updating documentation and adding missing tests for CLI.

Thanks.

@xmikew I've added example and missing tests along with updated documentation.

[xmikew]

Thank you @mihirvala-crestdata, much appreciated on the assist and cleanup.