CHANGES IN VERSION 1.0.05
-------------------------
    o Bugfixes in methrix report. Issue: #12
    o Bugfixes in the coverge_filter function --> the output methrix is now sorted
    o Bugfixes in the subset_methrix function --> works on unsorted methrix
    o Bugfixes in read_bedgraphs function --> when all fields are present, parse_source_idx did not return M and U columns
    o Added group option to coverage_filter
    o Added prefix option to methrix_report
    o Added keep option to snp_removal
    o minor changes in plotting functions 

CHANGES IN VERSION 0.99.0
-------------------------
    o Submission to Bioconductor