Documentation

[prcastro]

Not only insert a nice/helpful docstring on each function/type, but also document the interface expected by the package (how to create new error/activation functions, etc) and conceptually how it works (like a PDF deriving the algorithm).

• [x] Docstrings
• [x] README
• [x] Interface documentation
• [x] Conceptual PDF

[lssimoes]

I'd like to write this PDF explaining the concepts behind the implementation, if I may

[prcastro]

Go ahead