fixes an issue with the bass name &X substitution not working because it was being set to the empty string
updating the hchords table via Rowland to fix erroneous &X instances in the label
Merge branch 'feature/update-hchords-table' into feature/fix-hchord-bassname
refactor to remove repetitive if-condition
Merge pull request #21 from Harvard-ATG/feature/fix-hchord-bassname

feature/fix-hchord-bassname