* As introduces through review, the tests are working and have huge code
coverage, but don't test what they say. Therefore we reorder them in
new structure, to have new tests in clean structure.
* TCAIndexer is now able to resolve relations of any kind by using TYPO3
Core API.
* Indexed will be a single string or an array, depending of how many
relations were resolved.
* The same value will be indexed as shown by TCA in backend while
editing or displaying.