Refactor throttle()
Refactor throttle()

ddc391565320/ReactiveCocoa,KJin99/ReactiveCocoa,ztchena/ReactiveCocoa,200895045/ReactiveCocoa,yonekawa/ReactiveCocoa,Ricowere/ReactiveCocoa,Ricowere/ReactiveCocoa,sandyway/ReactiveCocoa,CCOOOOLL/ReactiveCocoa,WEIBP/ReactiveCocoa,isghe/ReactiveCocoa,almassapargali/ReactiveCocoa,Pingco/ReactiveCocoa,jaylib/ReactiveCocoa,BlessNeo/ReactiveCocoa,tzongw/ReactiveCocoa,add715/ReactiveCocoa,xumaolin/ReactiveCocoa,yoichitgy/ReactiveCocoa,mattpetters/ReactiveCocoa,zhiwen1024/ReactiveCocoa,kaylio/ReactiveCocoa,calebd/ReactiveCocoa,jam891/ReactiveCocoa,goodheart/ReactiveCocoa,JackLian/ReactiveCocoa,cogddo/ReactiveCocoa,hilllinux/ReactiveCocoa,Rupert-RR/ReactiveCocoa,cnbin/ReactiveCocoa,huiping192/ReactiveCocoa,rpowelll/ReactiveCocoa,LHDsimon/ReactiveCocoa,dz1111/ReactiveCocoa,mtxs007/ReactiveCocoa,BrooksWon/ReactiveCocoa,add715/ReactiveCocoa,jaylib/ReactiveCocoa,AlanJN/ReactiveCocoa,paulyoung/ReactiveCocoa,hbucius/ReactiveCocoa,yonekawa/ReactiveCocoa,BrooksWon/ReactiveCocoa,tzongw/ReactiveCocoa,longv2go/ReactiveCocoa,bensonday/ReactiveCocoa,chao95957/ReactiveCocoa,fhchina/ReactiveCocoa,ikesyo/ReactiveCocoa,msdgwzhy6/ReactiveCocoa,shaohung001/ReactiveCocoa,Rupert-RR/ReactiveCocoa,itschaitanya/ReactiveCocoa,AlanJN/ReactiveCocoa,JohnJin007/ReactiveCocoa,fanghao085/ReactiveCocoa,natan/ReactiveCocoa,dskatz22/ReactiveCocoa,OneSmallTree/ReactiveCocoa,jam891/ReactiveCocoa,smilypeda/ReactiveCocoa,pzw224/ReactiveCocoa,ddc391565320/ReactiveCocoa,kiurentu/ReactiveCocoa,KJin99/ReactiveCocoa,dskatz22/ReactiveCocoa,BlessNeo/ReactiveCocoa,jrmiddle/ReactiveCocoa,walkingsmarts/ReactiveCocoa,ericzhou2008/ReactiveCocoa,chao95957/ReactiveCocoa,valleyman86/ReactiveCocoa,howandhao/ReactiveCocoa,jam891/ReactiveCocoa,chao95957/ReactiveCocoa,isghe/ReactiveCocoa,yangyangluoluo/ReactiveCocoa,takeshineshiro/ReactiveCocoa,vincentiss/ReactiveCocoa,towik/ReactiveCocoa,loupman/ReactiveCocoa,paulyoung/ReactiveCocoa,liufeigit/ReactiveCocoa,qq644531343/ReactiveCocoa,esttorhe/ReactiveCocoa,smilypeda/ReactiveCocoa,jackywpy/ReactiveCocoa,rpowelll/ReactiveCocoa,hj3938/ReactiveCocoa,ioshger0125/ReactiveCocoa,ztchena/ReactiveCocoa,Pingco/ReactiveCocoa,Liquidsoul/ReactiveCocoa,terry408911/ReactiveCocoa,zzzworm/ReactiveCocoa,luerhouhou/ReactiveCocoa,xulibao/ReactiveCocoa,FelixYin66/ReactiveCocoa,eyu1988/ReactiveCocoa,nikita-leonov/ReactiveCocoa,mtxs007/ReactiveCocoa,ShawnLeee/ReactiveCocoa,dz1111/ReactiveCocoa,Ricowere/ReactiveCocoa,loupman/ReactiveCocoa,juliangrosshauser/ReactiveCocoa,beni55/ReactiveCocoa,victorlin/ReactiveCocoa,bensonday/ReactiveCocoa,sugar2010/ReactiveCocoa,buildo/ReactiveCocoa,WEIBP/ReactiveCocoa,bscarano/ReactiveCocoa,esttorhe/ReactiveCocoa,Juraldinio/ReactiveCocoa,hilllinux/ReactiveCocoa,kiurentu/ReactiveCocoa,DreamHill/ReactiveCocoa,gengjf/ReactiveCocoa,bscarano/ReactiveCocoa,ohwutup/ReactiveCocoa,Farteen/ReactiveCocoa,andersio/ReactiveCocoa,takeshineshiro/ReactiveCocoa,DongDongDongDong/ReactiveCocoa,cnbin/ReactiveCocoa,alvinvarghese/ReactiveCocoa,OnTheWay1988/ReactiveCocoa,RuiAAPeres/ReactiveCocoa,yytong/ReactiveCocoa,natan/ReactiveCocoa,huiping192/ReactiveCocoa,xumaolin/ReactiveCocoa,esttorhe/ReactiveCocoa,leelili/ReactiveCocoa,CCOOOOLL/ReactiveCocoa,yytong/ReactiveCocoa,kaylio/ReactiveCocoa,eyu1988/ReactiveCocoa,gengjf/ReactiveCocoa,ShawnLeee/ReactiveCocoa,liufeigit/ReactiveCocoa,xiaoliyang/ReactiveCocoa,CQXfly/ReactiveCocoa,huiping192/ReactiveCocoa,vincentiss/ReactiveCocoa,PSPDFKit-labs/ReactiveCocoa,zhukaixy/ReactiveCocoa,towik/ReactiveCocoa,yaoxiaoyong/ReactiveCocoa,howandhao/ReactiveCocoa,monkeydbobo/ReactiveCocoa,stevielu/ReactiveCocoa,juliangrosshauser/ReactiveCocoa,pzw224/ReactiveCocoa,bscarano/ReactiveCocoa,bensonday/ReactiveCocoa,on99/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,stevielu/ReactiveCocoa,fhchina/ReactiveCocoa,xiaobing2007/ReactiveCocoa,hoanganh6491/ReactiveCocoa,leichunfeng/ReactiveCocoa,hj3938/ReactiveCocoa,itschaitanya/ReactiveCocoa,tonyli508/ReactiveCocoa,buildo/ReactiveCocoa,wangqi211/ReactiveCocoa,ddc391565320/ReactiveCocoa,DongDongDongDong/ReactiveCocoa,chieryw/ReactiveCocoa,hoanganh6491/ReactiveCocoa,andersio/ReactiveCocoa,wpstarnice/ReactiveCocoa,sugar2010/ReactiveCocoa,sujeking/ReactiveCocoa,jsslai/ReactiveCocoa,sugar2010/ReactiveCocoa,zhenlove/ReactiveCocoa,zxq3220122/ReactiveCocoa,jaylib/ReactiveCocoa,nikita-leonov/ReactiveCocoa,shuxiashusheng/ReactiveCocoa,KJin99/ReactiveCocoa,clg0118/ReactiveCocoa,richeterre/ReactiveCocoa,RuiAAPeres/ReactiveCocoa,JohnJin007/ReactiveCocoa,shaohung001/ReactiveCocoa,zzqiltw/ReactiveCocoa,libiao88/ReactiveCocoa,valleyman86/ReactiveCocoa,ohwutup/ReactiveCocoa,sdhzwm/ReactiveCocoa,qq644531343/ReactiveCocoa,mattpetters/ReactiveCocoa,cstars135/ReactiveCocoa,kevin-zqw/ReactiveCocoa,FelixYin66/ReactiveCocoa,kiurentu/ReactiveCocoa,beni55/ReactiveCocoa,esttorhe/ReactiveCocoa,richeterre/ReactiveCocoa,Eveian/ReactiveCocoa,icepy/ReactiveCocoa,mtxs007/ReactiveCocoa,chieryw/ReactiveCocoa,valleyman86/ReactiveCocoa,howandhao/ReactiveCocoa,Ray0218/ReactiveCocoa,goodheart/ReactiveCocoa,BlessNeo/ReactiveCocoa,dullgrass/ReactiveCocoa,nickcheng/ReactiveCocoa,mxxiv/ReactiveCocoa,200895045/ReactiveCocoa,vincentiss/ReactiveCocoa,victorlin/ReactiveCocoa,Pingco/ReactiveCocoa,DongDongDongDong/ReactiveCocoa,emodeqidao/ReactiveCocoa,DreamHill/ReactiveCocoa,tonyarnold/ReactiveCocoa,liufeigit/ReactiveCocoa,AndyZhaoHe/ReactiveCocoa,libiao88/ReactiveCocoa,zzzworm/ReactiveCocoa,loupman/ReactiveCocoa,lixar/ReactiveCocoa,pzw224/ReactiveCocoa,zhiwen1024/ReactiveCocoa,jackywpy/ReactiveCocoa,OneSmallTree/ReactiveCocoa,walkingsmarts/ReactiveCocoa,yizzuide/ReactiveCocoa,KuPai32G/ReactiveCocoa,JackLian/ReactiveCocoa,towik/ReactiveCocoa,yytong/ReactiveCocoa,FelixYin66/ReactiveCocoa,zhenlove/ReactiveCocoa,stupidfive/ReactiveCocoa,CQXfly/ReactiveCocoa,zzqiltw/ReactiveCocoa,zxq3220122/ReactiveCocoa,isghe/ReactiveCocoa,sdhzwm/ReactiveCocoa,natestedman/ReactiveCocoa,PSPDFKit-labs/ReactiveCocoa,buildo/ReactiveCocoa,OnTheWay1988/ReactiveCocoa,ztchena/ReactiveCocoa,ceekayel/ReactiveCocoa,clg0118/ReactiveCocoa,wpstarnice/ReactiveCocoa,yangshengchaoios/ReactiveCocoa,xumaolin/ReactiveCocoa,icepy/ReactiveCocoa,BrooksWon/ReactiveCocoa,tonyarnold/ReactiveCocoa,j364960953/ReactiveCocoa,emodeqidao/ReactiveCocoa,cstars135/ReactiveCocoa,tiger8888/ReactiveCocoa,chieryw/ReactiveCocoa,nickcheng/ReactiveCocoa,tornade0913/ReactiveCocoa,nickcheng/ReactiveCocoa,ceekayel/ReactiveCocoa,windgo/ReactiveCocoa,beni55/ReactiveCocoa,libiao88/ReactiveCocoa,jackywpy/ReactiveCocoa,stupidfive/ReactiveCocoa,WEIBP/ReactiveCocoa,kevin-zqw/ReactiveCocoa,calebd/ReactiveCocoa,shuxiashusheng/ReactiveCocoa,tonyli508/ReactiveCocoa,Eveian/ReactiveCocoa,tiger8888/ReactiveCocoa,calebd/ReactiveCocoa,RuiAAPeres/ReactiveCocoa,ericzhou2008/ReactiveCocoa,jaylib/ReactiveCocoa,wangqi211/ReactiveCocoa,huiping192/ReactiveCocoa,terry408911/ReactiveCocoa,Rupert-RR/ReactiveCocoa,yizzuide/ReactiveCocoa,stupidfive/ReactiveCocoa,dullgrass/ReactiveCocoa,Farteen/ReactiveCocoa,sandyway/ReactiveCocoa,yaoxiaoyong/ReactiveCocoa,alvinvarghese/ReactiveCocoa,xulibao/ReactiveCocoa,shuxiashusheng/ReactiveCocoa,on99/ReactiveCocoa,zhigang1992/ReactiveCocoa,CCOOOOLL/ReactiveCocoa,llb1119/test,kaylio/ReactiveCocoa,windgo/ReactiveCocoa,yoichitgy/ReactiveCocoa,mxxiv/ReactiveCocoa,sujeking/ReactiveCocoa,cogddo/ReactiveCocoa,yonekawa/ReactiveCocoa,terry408911/ReactiveCocoa,qq644531343/ReactiveCocoa,GuitarPlayer-Ma/ReactiveCocoa,CQXfly/ReactiveCocoa,Ray0218/ReactiveCocoa,andersio/ReactiveCocoa,yangshengchaoios/ReactiveCocoa,jsslai/ReactiveCocoa,xiaoliyang/ReactiveCocoa,zhaoguohui/ReactiveCocoa,goodheart/ReactiveCocoa,jrmiddle/ReactiveCocoa,luerhouhou/ReactiveCocoa,llb1119/test,hilllinux/ReactiveCocoa,yoichitgy/ReactiveCocoa,fanghao085/ReactiveCocoa,nickcheng/ReactiveCocoa,zzzworm/ReactiveCocoa,tornade0913/ReactiveCocoa,KuPai32G/ReactiveCocoa,SanChain/ReactiveCocoa,JohnJin007/ReactiveCocoa,JackLian/ReactiveCocoa,cogddo/ReactiveCocoa,dskatz22/ReactiveCocoa,j364960953/ReactiveCocoa,dachaoisme/ReactiveCocoa,almassapargali/ReactiveCocoa,hbucius/ReactiveCocoa,xiaobing2007/ReactiveCocoa,cnbin/ReactiveCocoa,msdgwzhy6/ReactiveCocoa,yangyangluoluo/ReactiveCocoa,ericzhou2008/ReactiveCocoa,lixar/ReactiveCocoa,Ethan89/ReactiveCocoa,Farteen/ReactiveCocoa,tzongw/ReactiveCocoa,brasbug/ReactiveCocoa,zhaoguohui/ReactiveCocoa,jeelun/ReactiveCocoa,hj3938/ReactiveCocoa,imkerberos/ReactiveCocoa,monkeydbobo/ReactiveCocoa,GuitarPlayer-Ma/ReactiveCocoa,zhukaixy/ReactiveCocoa,SuPair/ReactiveCocoa,rpowelll/ReactiveCocoa,KuPai32G/ReactiveCocoa,victorlin/ReactiveCocoa,jeelun/ReactiveCocoa,SanChain/ReactiveCocoa,windgo/ReactiveCocoa,leelili/ReactiveCocoa,j364960953/ReactiveCocoa,imkerberos/ReactiveCocoa,xiaoliyang/ReactiveCocoa,Ethan89/ReactiveCocoa,dullgrass/ReactiveCocoa,emodeqidao/ReactiveCocoa,Khan/ReactiveCocoa,msdgwzhy6/ReactiveCocoa,icepy/ReactiveCocoa,itschaitanya/ReactiveCocoa,stevielu/ReactiveCocoa,tonyarnold/ReactiveCocoa,Khan/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,brasbug/ReactiveCocoa,add715/ReactiveCocoa,taylormoonxu/ReactiveCocoa,llb1119/test,longv2go/ReactiveCocoa,richeterre/ReactiveCocoa,eyu1988/ReactiveCocoa,Liquidsoul/ReactiveCocoa,taylormoonxu/ReactiveCocoa,DreamHill/ReactiveCocoa,fanghao085/ReactiveCocoa,ikesyo/ReactiveCocoa,fhchina/ReactiveCocoa,zhukaixy/ReactiveCocoa,almassapargali/ReactiveCocoa,mxxiv/ReactiveCocoa,zhigang1992/ReactiveCocoa,xulibao/ReactiveCocoa,leichunfeng/ReactiveCocoa,xiaobing2007/ReactiveCocoa,zhiwen1024/ReactiveCocoa,tiger8888/ReactiveCocoa,yangyangluoluo/ReactiveCocoa,ioshger0125/ReactiveCocoa,on99/ReactiveCocoa,Juraldinio/ReactiveCocoa,brasbug/ReactiveCocoa,smilypeda/ReactiveCocoa,takeshineshiro/ReactiveCocoa,SanChain/ReactiveCocoa,shaohung001/ReactiveCocoa,AlanJN/ReactiveCocoa,dachaoisme/ReactiveCocoa,sandyway/ReactiveCocoa,natestedman/ReactiveCocoa,PSPDFKit-labs/ReactiveCocoa,cstars135/ReactiveCocoa,200895045/ReactiveCocoa,natan/ReactiveCocoa,hbucius/ReactiveCocoa,Eveian/ReactiveCocoa,sujeking/ReactiveCocoa,yaoxiaoyong/ReactiveCocoa,yangshengchaoios/ReactiveCocoa,jrmiddle/Reacti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