Tests fixes
Refactored CriterionFactoryWorker tests

Tests can now use setUpMethodTest() to prepare a test
for a method.
Tested DateCriterionFactoryWorkerTest
Tested IdCriterionFactoryWorker
Tested IdentifierCriterionFactoryWorker
Tested NumberCriterionFactoryWorker
Tested TextCriterionFactoryWorker
@covers fixes
Improved DateCriterionFactoryWorkerTest
@todo
Improved coverage of IdentifierCriterionFactoryWorkerTest
Removed BaseFieldCriterionBuilder
Tested MapLocationDistanceCriterionFactoryWorker
Refactored SortClauseBuilderTest
Removed test file
Added (failing) API test