First release with main functionalities implemented

The app has all its expected features implemented. It is not still a robust and every combination of data entry in the system should be checked so as to find issues and fix them.

Implementation of main functionalities

Main functionalities implemented, checking for errors and database implementation is needed

Fully bugged first app version

First version of the app.

It is not ready yet and there are a lot of issues to be solved — mainly commented in TODOs throughout code.