Make join call map directly to avoid the extra checkCallbacks done by all()
Make join call map directly to avoid the extra checkCallbacks done by all()

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