mak_macs_xls.sh: updated to automatically set PYTHONPATH to find Spreadsheet module before running the Python code.
mak_macs_xls.sh: updated to automatically set PYTHONPATH to find Spreadsheet module before
running the Python code.

fw1121/genomics,fw1121/genomics,fw1121/genomics,fw1121/genomics,fw1121/genomics