Remove VectorSubset implementation from header
Put VectorSubset implemention into .C file
Remove BoxSubset class from VectorSubset.h file
Add separate BoxSubset class definition file
Add BoxSubset implementation file
Remove BoxSubset impl from header file
Remove IntersectionSubset class from VectorSubset.h file
Add IntersectionSubset header file
Add IntersectionSubset impl file
Remove IntersectionSubset impl from header file
Remove ConcatenationSubset class from VectorSubset.h file
Add separate ConcatenationSubset.h file
Add separate ConcatenationSubset impl file
Remove ConcatenationSubset impl from header file
Remove DiscreteSubset class from VectorSubset.h file
Add DiscreteSubset header file
Add DiscreteSubset implementation file
Remove DiscreteSubset impl from header file
Remove unnecessary comment
Add make rules for new subset files