Bugfix in DMS decompression with DEEP Compression

Performance in scaleplay function

Improves the perfomance of that function by caching some values that doesn't change during loop.

update

Revert "create a source map when compiling the js"

create a source map when compiling the js

Add a Makefile that compiles everything to a single file

This is just about the simplest possible way to do it. I haven't
investigated different compilation options either.

Fixed issue with DIVS instruction with negative values.

update 0.8.1 fix

avoid use javascript in link for open noew tab