Replace all print statements with proper use of the logging module

[mdorn]

• Advantages of this include control over output verbosity, ability to persist log output to a file for later inspection while at the same time logging to stdout, etc.
• Coloring can be accomplished with this library https://pypi.org/project/coloredlogs/
• Resources:
  • https://docs.python.org/3/howto/logging.html
  • https://realpython.com/python-logging/