Migrate tools module to Python 3

[satanas]

https://github.com/satanas/libturpial/blob/development/libturpial/common/tools.py

This change should:

• Migrate the existing code to python 3
• Add more tests to cover functionality (if necessary)
• Ensure previous tests pass locally

[LuisAlejandro]

Hi @satanas, I would like to take this issue. I will be sending a PR shortly.

[satanas]

Hey @LuisAlejandro, I just assigned the ticket to you. Thanks for collaborating! 🤘