pibrella.buzzer.melody([note,note,note],delay)
Rewrote fail/success/alarm to use melody. DRY.
New function pibrella.buzzer.notes with A{octave}:{duration} text notation
Added LED functions to all Outputs
Removed erroneous python3 breaking print statement
Bug fixes, change requests, documentation
Merge pull request #4 from pimoroni/testing

Notation support, Yellow=Amber, Tweaks