v0.2.0

• BREAKING: Removed Note and renamed NoteValue to Note
• BREAKING: Removed duration from chords
• BREAKING: PrimitiveDuration is no longer an enum, it stores values as a u64
• BREAKING: Rearranged main crate. Prelude imports should remain constant.
• BREAKING: Changed the way modifiers in a phrase work.
• BREAKING: Anchored phrases differently
• ADDED: serde feature for serialization/de-serialization
• ADDED: Inversion struct
• ADDED: Default trait for accidentals and addition to notes for accidentals
• ADDED: Chord::traid_from_root and Chord::traid_from_base
• ADDED: Adding notes to a chord and equating chords
• ADDED: Note::from_id
• ADDED: Various operations for Note
• ADDED: Score and ScoreCredit
• ADDED: proper Solfege
• ADDED: Beat and BeatFraction
• ADDED: Tonality (used in Chord::traid_from_*)
• FIXED: Note.simplify

Full Changelog: v0.1.0...v0.2.0