update CHANGELOG
update CHANGELOG

seka/stylefmt,morishitter/cssfmt,johnie/cssfmt,yisibl/cssfmt,KeenS/cssfmt,MhdAljuboori/stylefmt,shaunstanislaus/cssfmt,dmnsgn/cssfmt,carabina/cssfmt,chrismoulton/cssfmt,janusnic/cssfmt