Remove more functions with pointer parameters
Merge branch 'master' of https://github.com/mortennobel/OOCholmod

Conflicts:
	src/sparse_matrix.cpp
	src/sparse_matrix.h
Merge branch 'master' of https://github.com/mortennobel/OOCholmod

Conflicts:
	src/factor.cpp
	src/factor.h
	src/sparse_matrix.cpp
	src/sparse_matrix.h
	test/raw_ptr.h
	test/unique_ptr.h