v0.4 ostinato odington

v0.4 ostinato odington

• Add MIDI in keyboard support on virtual port 1
• Add MIDI out monophonic pitch bend note play on virtual port 2
• Add "MollyThePoly", "MxSamples", "Synthy" engine support
• Autosave params on change
• Load from saved params on init
• Add new ratios display
• Show intervals/chords as played
• Use clock to time the appegio/sequence

pitfalls v0.4 - grid demo - monome norns