Add basic unit tests to the main code

[Gui-FernandesBR]

I am still afraid of introducing fatal errors to the main code after the future PR.

• Create unit tests for the lmr_analyzer package
• Generate code coverage reports and present here.

Can you think you a way of tracking the code coverage ?

[Gui-FernandesBR]

The stop class has already been includeed by the unit tests when #30 was merged

[Gui-FernandesBR]

Current coverage report:

[Gui-FernandesBR]

Current code coverage: