Added additional quality support (1, 5, X); fixed bug in minor6 interval definition.
Added newline catch to load_intervals to keep moving past erroneous gaps in the file (occurs in Billboard dataset?)
Manual merge success.
Merge branch 'master' of https://github.com/craffel/mir_eval
Fixed join bass note bug
Merge branch 'master' of https://github.com/craffel/mir_eval
Post manual merge -- io.load mods
Merge branch 'master' of https://github.com/craffel/mir_eval