FreeBayes filters: cutoff-based soft filtering.

def freebayes(in_file, ref_file, vrn_files, data):
    """FreeBayes filters: cutoff-based soft filtering.
    """
    out_file = _freebayes_cutoff(in_file, data)
    #out_file = _freebayes_custom(in_file, ref_file, data)
    return out_file