Updates README with deprecation warning

Fixes README and adds manifest file

Formats setup.py

Refactors and adds remaining tests

Formats imports, adds initial tests for common module

Formats auth.py

Refactors functions to make writing tests easier

Formats files with black and uses click.prompt() over input()

Adds verbose flag

Moves authentication to auth.py

Adds initial logging

Refactors building cert file to common.py

Refactors authentication and adds comments

Updates README.md with extended information

Refactors to common.py, adds server parameter, and other cleanup