Add jsdoc for some internals
Add jsdoc for some internals

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