getting ion complements in spectrum is OK

src/pappsomspp/peptide/peptide.cpp

src/pappsomspp/peptide/peptide.h

src/pappsomspp/psm/features/psmfeatures.cpp

src/pappsomspp/psm/features/psmfeatures.h

src/pappsomspp/psm/peakionisotopematch.cpp

src/pappsomspp/psm/peakionisotopematch.h

src/pappsomspp/psm/peakionmatch.cpp

src/pappsomspp/psm/peakionmatch.h

src/pappsomspp/trace/trace.h

tests/test_psm.cpp