Update changelog.md
Update changelog.md
processing/p5.js-sound,chelliah/p5.js-sound,therewasaguy/p5.js-sound,processing/p5.js-sound,therewasaguy/p5.js-sound,polyrhythmatic/p5.js-sound,polyrhythmatic/p5.js-sound,chelliah/p5.js-sound