* replaced baseclass x,y,z,realm members with Pos4d.
Adapted the code, no changes except making the compiler happy
* review changes
* Fixed gotten_item
* fixed copy&waste
* combined unittests with pol -test. Added it in ctest and integrated it in CI
* fixed compilation
* last compilation errors?
* pol -test needs some fixtures
* activated dynprops unittest
* fixed dynprop test