Add deprecation warning for when.chain. Closes #113
Add deprecation warning for when.chain. Closes #113

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