this.backend might be null; set handleResult before fetch
this.backend might be null; set handleResult before fetch

GerHobbelt/recline,huangciyin/reclinejs-requirejs,gotjoshua/recline,rjsteinert/recline,beni55/recline,gotjoshua/recline,boban-dj/recline,okfn/recline,rjsteinert/recline,GerHobbelt/recline,rjsteinert/recline,beni55/recline,gotjoshua/recline,modulexcite/recline,acouch/recline,okfn/recline,acouch/recline,modulexcite/recline,huangciyin/reclinejs-requirejs,modulexcite/recline,GerHobbelt/recline,acouch/recline,okfn/recline,NuCivic/recline.js,NuCivic/recline.js,boban-dj/recline,beni55/recline,boban-dj/recline,NuCivic/recline.js