Fix mztab parser error
I fixed a BIG error in mztab parser. Spectra count was wrong and now all samples contained in the mztab file are also in the pg.yaml (before: samples without spectra were not contained)
I fixed a BIG error in mztab parser. Spectra count was wrong and now all samples contained in the mztab file are also in the pg.yaml (before: samples without spectra were not contained)