Streamlined alteration parsing in Roman numerals.


git-svn-id: http://music21.googlecode.com/svn/trunk@3523 5c16147e-a200-11de-b0cc-ab0ad15e60d0
fixed upload build problems

git-svn-id: http://music21.googlecode.com/svn/trunk@3524 5c16147e-a200-11de-b0cc-ab0ad15e60d0