Use ApiClient constructor to register hooks and cookies serializer

• refactor: rename "assertUsingApiSpec" method to "assertAgainstApiSpec" d83a645
• fix: assert response against the api schema and not just the body 0a99851
• refactor: Use APIClient constructor to register hooks and serializers d7c5cce
• refactor: allow registering global hooks using ApiClient constructor c68dccb

v1.0.2...v1.1.0