Home 3/31 Unit testing

	modified:   app/controllers/BaseController.php
	new file:   app/controllers/BaseControllerTester.php
	modified:   app/controllers/ItemsController.php
	modified:   app/models/Item.php
	modified:   app/models/repositories/EloquentItemRepository.php
	modified:   app/models/repositories/ItemRepositoryInterface.php
	new file:   app/tests/BaseControllerTest.php
	modified:   app/tests/TestCase.php
	modified:   app/tests/controllers/ItemsControllerTest.php
	modified:   app/tests/integration/IntegrationTest.php
	modified:   app/tests/models/ItemTest.php
	modified:   ../docs/testing.md