v0.1.3

• Added support for Ableton Link clock sync (thanks to Raphaël Forment for providing LinkPython-extern)
• Added shorthand syntax for more concise pattern expressions
• Added new pattern classes:
  • PMIDIControl: provides access to MIDI control change values
  • PSaw: sawtooth waveform
  • PMidiSemitonesToFrequencyRatio: map an interval in semitones to a frequency ratio
• Added Pattern.poll() for debugging pattern issues
• Auto-generated pattern library documentation (thanks to Giacomo Loparco)
• Improvements to type hinting, inline documentation and examples (thanks to Giacomo Loparco and Greg White)
• Added event callbacks to Timeline and Track, to trigger a user-specified function when an event occurs
• Fixed bugs in Key and Scale handlers (thanks to Piotr Sakowski)