Added a rough version of new program to_chord_above.rb
Extend the length of a short sylable when a long chord is above it. Add tests. Reformatting
Minor change to self.pad()
Change main to read from STDIN. Fix bug with spanning chars. Comment out debug statements from to_s_2_lines()
Special "key-lines" like "Key: []" will not be converted into 2 lines
Strip trailing white space from chord & lyric lines. Update comments
Made command line processing more friendly & robust
Update README.md to include to_chord_above.rb. Update comments