Imports ordered.
Merge https://github.com/pt12lol/opeNotes

Conflicts:
	opeNotes/note.py
	opeNotes/party.py
	opeNotes/pitch.py
	opeNotes/pitchesStructure.py
	tests/testNote.py
	tests/testOctave.py
	tests/testPitch.py
	tests/testRhythmicValue.py