Actual version compiled with Google Closure Compiler 
Actual version compiled with Google Closure Compiler 

Reverted to non-optimized version. There is a bug with "simple" optimized version - code after compilation is broken
chuckcarpenter/REM-unit-polyfill,logansam/REM-unit-polyfill,logansam/REM-unit-polyfill,chuckcarpenter/REM-unit-polyfill