bugfix when creating sourcegroups for visual studio

Closes #64

See merge request irmb/VirtualFluids_dev!178

change the datatype of numberOfNodes aka numberOfLBnodes to unsigned long long

See merge request irmb/VirtualFluids_dev!175

Exchange not existing Kernel "CumulantK17CompChimRedesigned" with "CumulantK17" in DrivenCavity App.

https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#con1-by-default-make-objects-immutable

change the datatype of the variable numberOfNodes aka numberOfLBnodes (fka size_Mat) to unsigned long long ... with respect to large grids (>100e^6 Nodes per Level) ... in this regard the 27 directions are changed to size_t and some control variables are also changed to size_t

Fix Singularity Definition File and Python Binding Linking

See merge request irmb/VirtualFluids_dev!174

# Conflicts:
#	src/gpu/VirtualFluids_GPU/GPU/CudaMemoryManager.cpp
#	src/gpu/VirtualFluids_GPU/GPU/GridScaling/scaleCF_compressible.cu
#	src/gpu/VirtualFluids_GPU/GPU/GridScaling/scaleFC_compressible.cu