Merge pull request #301 from therewasaguy/master

adding sound assets to yuidoc
Update doc from isMousePressed to mouseIsPressed
Merge pull request #303 from irisyuan/master

Update doc from isMousePressed to mouseIsPressed
newest version
Adding chainability to p5 DOM Element methods.
Merge pull request #308 from ajspadial/master

Adding chainability to p5 DOM Element methods.
making html a getter/setter
making dom methods chainable
Update README.md
Merge remote-tracking branch 'upstream/master'