unit tests for PositionController added
work in progress: edit test for processRequestHandlers
Merge pull request #65 from dwenzel/dev

Dev
unit test for AbstractController added
deprecated method objectManager->create replaced by ->get
unit test for AbstractController added, setUp edited
methods updateFileProperty and uploadFile changed to pass variable by value (not reference)
Merge pull request #67 from dwenzel/feature/unitTests

Feature/unit tests