Added the followin new scripts. They still need to be reviewed and commented.
       new file:   Csd.py
       new file:   Csnd_strings.py
       new file:   Note_methods.py
       new file:   Numeric_utils.py
       new file:   normalizeFiles.py
       new file:   normalizeFiles.py~
       new file:   soundFileSort.py~
       new file:   toBeReviewed.txt