Integrated tests complete for FooController.
Created first integration test of BookController.
Added property to control if reset and fill the DB in the startup (needed to don't do it in integration test, no DB...)
Updated pom version.
Added jsonpath dependecy to pom.
Finished integration test for Foo controller.
Modified book not found message, in constant.
Finished integrations test, only lefts the use of builders class and some other fixes.
Added TODO to remove constructor.
Refactor deleting constructor in Book.
Finished integration test completely.
Refactor unit test, testutils...
Updated pom version.
Updated Readme.