Change how reports are loaded for the clustering
Change how reports are loaded for the clustering

Refactor the section that loads the reports for the clustering, now it filters
the possible rejected steps in the PELE report file

AdaptivePELE/AdaptivePELE,AdaptivePELE/AdaptivePELE,AdaptivePELE/AdaptivePELE,AdaptivePELE/AdaptivePELE