- removed warnings in attributes.cpp, - and a first Klockwork bug fix: removed NULL returns in ntl_ray.h, several other issues mentioned in the Klockwork report are either hard to fix or not really errors...
- removed warnings in attributes.cpp, - and a first Klockwork bug fix: removed NULL returns in ntl_ray.h, several other issues mentioned in the Klockwork report are either hard to fix or not really errors...