Added append option when fetching a collection. Useful when lazy loading data sets.
Added append option when fetching a collection. Useful when lazy loading data sets.

trizko/backbone,wxmfront/backbone,mmolinastudio/backbone,premkumargithub/backbone,zgl2007dj/backbone,ridixcr/backbone,FormidableLabs/backbone,christianqw/backbone,Khan/backbone,gfranko/backbone,wangdahoo/backbone,wangcan2014/backbone,sueyeh/backbone,Niades/backbone,premkumargithub/backbone,zdespolit/backbone,darrrk/backbone,howtolearntocode/backbone,embarknow/backbone,addyosmani/backbone,rashmisajjan/backbone,jewsroch/backbone,au-phiware/backbone,jstrimpel/backbone,maryrosecook/backbone-df,huanglp47/backbone,akre54/backbone,anhtholee/backbone,Aplopio/backbone,ywenjinlin/backbone,sitexa/backbone,Diwahars/backbone,FishbaitHarry/backbone,sueyeh/backbone,getshuvo/backbone,cailong1028/backbone,aihua/backbone,vlazzle/ax-todos,ThiagoGarciaAlves/backbone,braddunbar/backbone,moimikey/backbone,micho/backbone-prototype,dak/backbone,fanhc019/backbone,maryrosecook/backbone-df-2,yuhualingfeng/backbone,closeio/backbone,christianqw/backbone,wushuyi/backbone,zhangwei001/backbone,streamablevideo/backbone,jashkenas/backbone,amitpatange88/backbonejs,micho/backbone-prototype,ohbarye/backbone,Akkuma/backbone,zhangdimelody/backbone,jungjung917/backbone,craigmichaelmartin/backbone,wjb12/backbone,jasoncbautista/backboneX,ppker/backbone,leimd/backbone,dillonforrest/backbone-df,elma-cao/backbone,ntgn81/backbone,sitexa/backbone,LovelyL25/backbone.js,sunday-star/backbone,d2s/backbone,malandrew/backbone,d2s/backbone,vin100bk/backbone,ywenjinlin/backbone,moccen/backbone,Krasnyanskiy/backbone,au-phiware/backbone,cbas/backbone_todo,Flip120/backbone,Khan/backbone,leimd/backbone,GrimDerp/backbone,Krasnyanskiy/backbone,Connectlegendary/backbone,timebackzhou/backbone,dillonforrest/backbone-df,feychenie/backbone,vincent1988/backbone,Connectlegendary/backbone,guahanweb/backbone,wakanpaladin/mybackbone,mmolinastudio/backbone,braddunbar/backbone,sumyfly/backbone,nvoron23/backbone,heroazure/backbone,cgvarela/backbone,7213/backbone,akre54/backbone,ThisIsManta/Backbone,Sachin-Ganesh/backbone,maryrosecook/backbone-df,howtolearntocode/backbone,tibic/backbone,cgvarela/backbone,ppker/backbone,jewsroch/backbone,luffy94608/backbone,LovelyL25/backbone.js,batigoal1980/backbone_example,hugohua/backbone,oss-practice/backbone,jmeas/backbone,Diwahars/backbone,webapp/library,streamablevideo/backbone,zhoufan879/backbone,amdjs/backbone,lujocom/backbone,dillonforrest/backbone-df,linalu1/backbone,DannyDelott/backbone,vlazzle/ax-todos,edgeware/backbone,nikolas/backbone,GerHobbelt/backbone,lastjune/backbone,wxmfront/backbone,malandrew/backbone,paulfalgout/backbone,guahanweb/backbone,jordansexton/backboner,vincent1988/backbone,gmaclennan/backbone,ereddate/backbone,fanhc019/backbone,ebsco/backbone,ThiagoGarciaAlves/backbone,neocotic/hipbone,pandoraui/backbone,addyosmani/backbone,npmcomponent/solutionio-backbone,alekskorolev/lightbones,linalu1/backbone,embarknow/backbone,chyeh727/backbone,rjz/boneless,cailong1028/backbone,npmcomponent/solutionio-backbone,gmaclennan/backbone,dillonforrest/backbone-df-2,Khan/backbone,alekskorolev/lightbones,wangcan2014/backbone,antoniogarrote/backbone,darrrk/backbone,christianqw/backbone,platinumazure/backbone,Bug2014/backbone,ThisIsManta/Backbone,liudianpeng/backbone,7213/backbone,nvoron23/backbone,jashkenas/backbone,tibic/backbone,Bug2014/backbone,aihua/backbone,wushuyi/backbone,megawac/backbone,trizko/backbone,Niades/backbone,honger05/backbone,heroazure/backbone,Aplopio/backbone,craigmichaelmartin/backbone,ohbarye/backbone,gfranko/backbone,yuhualingfeng/backbone,IsoldaJS/isolda-pubsub,webcoding/backbone,maryrosecook/backbone-df-2,wakanpaladin/mybackbone,tgriesser/backbone,neocotic/hipbone,edgeware/backbone,IsoldaJS/isolda-models,ereddate/backbone,gougouGet/backbone,zhangwei001/backbone,zhoufan879/backbone,jmeas/backbone,tadwhitaker/backbone,batigoal1980/backbone_example,yawenl/backbone,jungjung917/backbone,kuychaco/backbone,udhayam/backbone,getshuvo/backbone,ntgn81/backbone,anhtholee/backbone,juggy/backbone,FishbaitHarry/backbone,elancom/backbone,mpapp/backbone,elancom/backbone,ridixcr/backbone,GerHobbelt/backbone,GrimDerp/backbone,dcheepurupalli/backbone,nikolas/backbone,zgl2007dj/backbone,Sachin-Ganesh/backbone,gougouGet/backbone,timebackzhou/backbone,youprofit/backbone,virtru-components/backbone,gitterHQ/backbone,maryrosecook/backbone-df,pandoraui/backbone,sunday-star/backbone,rwaldron/backbone,chyeh727/backbone,dillonforrest/backbone-df-2,closeio/backbone,tzkKrbys/backbone,huanglp47/backbone,mrblueblue/backbone,rashmisajjan/backbone,sumyfly/backbone,lastjune/backbone,JesseQin/backbone,JesseQin/backbone,npmcomponent/jashkenas-backbone,moccen/backbone,udhayam/backbone,webcoding/backbone,guigrpa/backbone,elma-cao/backbone,componentizr/backbone,rwaldron/backbone,wangdahoo/backbone,ebsco/backbone,honger05/backbone,vin100bk/backbone,webapp/library,kuychaco/backbone,paulfalgout/backbone,DannyDelott/backbone,mrblueblue/backbone,maryrosecook/backbone-df-2,dillonforrest/backbone-df-2,gdi2290/backbone,dak/backbone,dcheepurupalli/backbone,jridgewell/backbone,tzkKrbys/backbone,feychenie/backbone,tadwhitaker/backbone,jridgewell/backbone,luffy94608/backbone,yawenl/backbone,moimikey/backbone,zhangdimelody/backbone,liudianpeng/backbone,youprofit/backbone,platinumazure/backbone,Aplopio/backbone,amitpatange88/backbonejs,Flip120/backbone,jstrimpel/backbone,zdespolit/backbone,lujocom/backbone,wjb12/backbone