initial commit
added script to display format
added comments
added spec about empty lines
added doc
started work on chord display
improved dipslay of chords
moved linting to separate file
starting script to replace chords in another file
moved parsing and serializing code to module, linter use this
improved linter and parser
updated display to use tuples
script replacing chords is working
replace script uses parser
normalised doc and arg parsing
working on readme
update doc with new name