More perldoc mutterings.
Add trailing whitespace as is case for few of scales.zip files.
Fix bug where read_scala walked past last note to (invalid?) blank
lines. Allow for argument flexibility with read, write, and
set_notes calls. Other fixes and improvements, more perldocs.
Initial work on frequency to scale interval mapping code. Better parsing
of input data. Other T&I.
Support for cents, related caveats, bugfixes.
Document interval2freq method.