Correções por forma a permitir introdução de rendimentos.
Merge branch 'master' of
git@github.com:AntonioRochaOliveira/EAPLI_PL_2NB.git

Conflicts:
	eapli.expensemanager/src/Controllers/Accounting.java
	eapli.expensemanager/src/Model/Income.java
Merge branch 'master' of
git@github.com:AntonioRochaOliveira/EAPLI_PL_2NB.git

Conflicts:
	eapli.expensemanager/src/Presentation/ExpenseRegisterUI.java
	eapli.expensemanager/src/Presentation/MainMenu.java