Make token auth smoother

[esecules]

Overview

After python3 upgrade and upgrade to flask's latest version, flask removed the feature that allowed the webserver to shut itself down after it handled the request where it would have gotten the token.

Continuing to use flask or a webserver in a subprocess is not necessary. There may be a better option for authenticating scripts since this project began.

Acceptance criteria

1. The user can authenticate their session easily and seamlessly without having to find it in the browser and paste it into the prompt