Links dos fontes:
https://www.dropbox.com/s/m5lllvjvp9ub131/User.php?dl=0
https://www.dropbox.com/s/l2dq63pi6kurnxl/UsersController.php?dl=0
https://www.dropbox.com/s/1jewjf3vy0sqjuy/UsersControllerTest.php?dl=0
https://www.dropbox.com/s/btt1vuyt0w3kvfz/UsersFixture.php?dl=0
https://www.dropbox.com/s/d3bs824ue7dd291/UsersTable.php?dl=0
https://www.dropbox.com/s/pbtp022jerpomh2/UsersTableTest.php?dl=0
https://www.dropbox.com/s/50nwlpf6x4ev8i0/CreateDB.sql?dl=0