Add return value and update docs.  Fixes #1966.
Add return value and update docs.  Fixes #1966.

chimpinano/polymer,kristianmandrup/polymer,MartinMoizard/polymer,ikeagold/polymer,pacificIT/polymer,BrianLTJ/polymer,Endika/polymer,carbono-io/polymer,yforrest/polymer,tjsavage/polymer,mgiuffrida/polymer,Flip120/polymer,fjkfwz/polymer,Zagorakiss/polymer,gazal-k/polymer,M4gn4tor/polymer,jvkops/polymer,filaraujo/polymer,studiowangfei/polymer,udhayam/polymer,bright-sparks/polymer,zxs0827/polymer,exlerdesigns/polymer,studiowangfei/polymer,BrianLTJ/polymer,gazal-k/polymer,samccone/polymer,mgiuffrida/polymer,akintoey/polymer,jforge/polymer,ktiedt/polymer,Tudes/polymer,dalong123/polymer,itnirmaan/polymer,vic/polymer,Endika/polymer,TedaLIEz/polymer,zebMcCorkle/polymer,henrylee2cn/polymer,cgvarela/polymer,sekiyaeiji/polymer,jscissr/polymer,simo97/polymer,thiagolucio/polymer,bright-sparks/polymer,zebMcCorkle/polymer,rafaelducati/polymer,Kabele/polymer,Litor/polymer,JeremybellEU/polymer,gazal-k/polymer,ankurvr/polymer,JsonChiu/polymer,tachyon1337/polymer,simonfan/polymer,cbmeeks/polymer,elkamel/polymer,exlerdesigns/polymer,filaraujo/polymer,tachyon1337/polymer,dalong123/polymer,thiagolucio/polymer,JeremybellEU/polymer,ilovezy/polymer,simonfan/polymer,akintoey/polymer,jordanyaker/polymer,dalong123/polymer,jordanyaker/polymer,chimpinano/polymer,simonfan/polymer,fjkfwz/polymer,JsonChiu/polymer,fjkfwz/polymer,Zagorakiss/polymer,tekjava/polymer,ilovezy/polymer,YOTOV-LIMITED/polymer,carbono-io/polymer,HiWong/polymer,kristianmandrup/polymer,JeremybellEU/polymer,Kabele/polymer,Flip120/polymer,cbmeeks/polymer,jpalomar/polymer,mauricionr/polymer,Polymer/polymer,jordanyaker/polymer,samccone/polymer,rafaelducati/polymer,udhayam/polymer,gronke/polymer,filaraujo/polymer,zxs0827/polymer,carbono-io/polymer,henrylee2cn/polymer,Polymer/polymer,akintoey/polymer,marcus7777/polymer,jforge/polymer,pacificIT/polymer,Endika/polymer,Tudes/polymer,jvkops/polymer,MartinsThiago/polymer,tjsavage/polymer,MartinsThiago/polymer,vic/polymer,ankurvr/polymer,gronke/polymer,jscissr/polymer,Litor/polymer,udhayam/polymer,thiagolucio/polymer,elkamel/polymer,pacificIT/polymer,cgvarela/polymer,jpalomar/polymer,gronke/polymer,jscissr/polymer,jvkops/polymer,YOTOV-LIMITED/polymer,tekjava/polymer,HiWong/polymer,yforrest/polymer,cbmeeks/polymer,simo97/polymer,youprofit/polymer,jpalomar/polymer,Tudes/polymer,mgiuffrida/polymer,mauricionr/polymer,marcus7777/polymer,Litor/polymer,TedaLIEz/polymer,BrianLTJ/polymer,itnirmaan/polymer,ThiagoGarciaAlves/polymer,MartinsThiago/polymer,cgvarela/polymer,zxs0827/polymer,bright-sparks/polymer,tekjava/polymer,japacible/polymer,kristianmandrup/polymer,exlerdesigns/polymer,itnirmaan/polymer,HiWong/polymer,ikeagold/polymer,ThiagoGarciaAlves/polymer,ikeagold/polymer,elkamel/polymer,samccone/polymer,ktiedt/polymer,Polymer/polymer,MartinMoizard/polymer,tjsavage/polymer,MartinMoizard/polymer,chimpinano/polymer,M4gn4tor/polymer,japacible/polymer,sekiyaeiji/polymer,youprofit/polymer,henrylee2cn/polymer,simo97/polymer,yforrest/polymer,YOTOV-LIMITED/polymer,ktiedt/polymer