* [Slim4] Add new method to Mocker interface
* [Slim4] Add implementation and tests for new method
* [Slim4] Add test fixture to encrease code coverage
* [Slim4] Add ref support to mockArray method
* [Slim4] Add mockFromRef method
* [Slim4] Add ref support to mockObject method
* [Slim4] Add ModelInterface
* [Slim4] Refresh samples
* [Slim4] Add ref support to mockFromSchema method
* [Slim4] Run all test suites by default test command
As it turnes out to generate coverage report for a whole project I need
to run all test suites at once.
* [Slim4] Fix enum option of string mocking
