use instanceof to determine whether an object is a Q promise.
use instanceof to determine whether an object is a Q promise.

SarunasAzna/q,mcanthony/q,b12consulting/q,kriskowal/q,liwangbest/q,kriskowal/q,darkdragon-001/q,gorcz/q,aramk/q,bnicart/q,greyhwndz/q,welbornio/q,lidasong2014/q,criferlo/q,zhangwenquan/q,Zeratul5/q,100star/q,signpost/q,zhangwenquan/q,mcanthony/q,miamarti/q,aramk/q,gorcz/q,IlianStefanov/q,greyhwndz/q,yizziy/q,rasata/q,ShopCo/q,cgvarela/q,manushthinkster/q,homer0/q,gustavobeavis/q,SarunasAzna/q,liwangbest/q,IlianStefanov/q,gustavobeavis/q,signpost/q,behind2/q,homer0/q,ajunflying/q,lvdou2518/q,yizziy/q,Muffasa/q,CozyCo/q,lvdou2518/q,linalu1/q,Muffasa/q,rasata/q,willsmth/q,Zeratul5/q,harks198913/q,CozyCo/q,willsmth/q,bnicart/q,dracher/q,IbpTeam/node-q,linalu1/q,jymsy/q,ShopCo/q,potato620/q,criferlo/q,potato620/q,cgvarela/q,lidasong2014/q,ajunflying/q,miamarti/q,pwmckenna/q,manushthinkster/q,IbpTeam/node-q,pwmckenna/q,jymsy/q,harks198913/q,welbornio/q,X-Bird/q,behind2/q,darkdragon-001/q,b12consulting/q,X-Bird/q,dracher/q