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'
saveTable, saveJSON, saveStrings
Merge pull request #310 from therewasaguy/p5SOUND

p5.sound update
windowHeight updating closes #314
output/files.js: PrintWriter --> p5.PrintWriter, _pWriters Array
Merge remote-tracking branch 'upstream/master' into outputFiles
=== instead of indexOf
tweaking createWriter()
p5.PrintWriter close tweaks
changing around reg functions for libraries
merging sound, updates for new library hooks
updating p5.sound for new registerPreload and registerMethod(sound disposal). Tweaked some sound examples