Update acorn js (#15)

* support to color tiles in output bundles

* giving standard width and height

* attach visualization screenshot

* update acorn js

* rm package lock json

* update travis

* update travis

support to color tiles in output bundles (#10)

support custom output filename

upgrade bundle me package

support single files

update readme and version bump

bug fix - creating files inside same project dir

clean up

revert img

revert img