Added note about switching to forEach in a future rev
Added note about switching to forEach in a future rev

tkirda/when,caporta/when,rwaldron/when.js,mlennon3/when,anthonyvia/when,DJDNS/when.js,tkirda/when,SourcePointUSA/when,anthonyvia/when,frank-weindel/when,ning-github/when,mlennon3/when,ning-github/when,stevage/when,frank-weindel/when,icodeforlove/whenplus,stevage/when,petkaantonov/when,caporta/when,SourcePointUSA/when