Cleaning
Cleaning
Cleaning splitTies etc
Readable (Show Duration) instance
Adds splitTiesVoiceAt

See #36
Adds Fractional TimeSignature instance
Cleaning Time.Reactive
Adds getBarDurations etc

See #36
Adds reactiveToVoice
Cleaned Time signature API
Adds more flexible voiceToBars'
Simplifies XML export API
Fixes XML export to use time signatures
Fixes XML export to use time signatures
Changed XML export to use 4/4 as default time signature

- Can not use numeric literals for (4/4), it becomes (1/1)
- TODO fix this in TimeSignature instances
Fixes error in withClef
Rewrites clef handling in Lilypond and XML

Fixes #116
Add time signtures in Lilypond output
Make time signature changes start at origin (rather than onset) by default