Fix GPUImageRawDataOutput so that if the current frame has been read previously, the cached version is returned rather than reading the pixel buffer/texture cache each time
Fix GPUImageRawDataOutput so that if the current frame has been read previously, the cached version is returned rather than reading the pixel buffer/texture cache each time

tuo/GPUImage,IncredibleDucky/GPUImage,KBvsMJ/GPUImage,StratAguilar/GPUImage,dachaoisme/GPUImage,r3mus/GPUImage,haikusw/GPUImage,3drobotics/GPUImage,mingming1986/GPUImage,TimorCan/GPUImage,TimorCan/GPUImage,ohad7/GPUImage,FiftyThree/GPUImage,ramoslin02/GPUImage,skonb/GPUImage,skonb/GPUImage,horaceho/GPUImage,stelabouras/GPUImage,java02014/GPUImage,nickplee/GPUImage,Learn-IOS/GPUImage,hakanw/GPUImage,appone/GPUImage,SinnerSchraderMobileMirrors/GPUImage,powerhome/GPUImage,Naithar/GPUImage,SanjoDeundiak/GPUImage,gank0326/GPUImage,lauraskelton/GPUImage,mtxs007/GPUImage,zakinaeem/GPUImage,smule/GPUImage,FiftyThree/GPUImage,howandhao/GPUImage,jakeva/GPUImage,howandhao/GPUImage,hanton/GPUImage,liduanw/GPUImage,loi32456/GPUImage,tuo/GPUImage,yimouleng/GPUImage,horaceho/GPUImage,smule/GPUImage,j364960953/GPUImage,hanangellove/GPUImage,u-engine/GPUImage,lily4ever/GPUImage,tuo/GPUImage,efremidze/GPUImage,shi-yan/GPUImage,hanangellove/GPUImage,IncredibleDucky/GPUImage,yaoxiaoyong/GPUImage,hyperconnect/GPUImage,sansuiso/GPUImage,Naithar/GPUImage,jimydotorg/GGGPUImage,levyleo/LGPUImage,lacyrhoades/GPUImage,ask-fm/GPUImage,pengleelove/GPUImage,njucsyyh/GPUImage,DepositDev/GPUImage,pheed/GPUImage,bgulanowski/GPUImage,BlessNeo/GPUImage,picmonkey/GPUImage,LIQC/GPUImage,lauraskelton/GPUImage,SanChain/GPUImage,Creolophus/GPUImage,bragil-massoud/GPUImage,mervekeles/GPUImage,pengleelove/GPUImage,dawangjiaowolaixunshan/GPUImage,xqz001/GPUImage,njucsyyh/GPUImage,bragil-massoud/GPUImage,cesare-montresor/GPUImage,odyth/GPUImage,UndaApp/GPUImage,Creolophus/GPUImage,BradLarson/GPUImage,KBvsMJ/GPUImage,silvansky/GPUImage,mingming1986/GPUImage,Matzo/GPUImage,sprint84/GPUImage,hakanw/GPUImage,alex-learn/GPUImage,nonoBruce/GPUImage,java02014/GPUImage,AmiaoCat/GPUImage,FiftyThree/GPUImage,rocklive/GPUImage,SinnerSchraderMobileMirrors/GPUImage,yimouleng/GPUImage,mervekeles/repo,zhengfuzhe2013/GPUImage,937447974/GPUImage,LIQC/GPUImage,lacyrhoades/GPUImage,picmonkey/GPUImage,tastyone/GPUImage,hoanganhx86/GPUImage,Creolophus/GPUImage,rtsbtx/GPUImage,jakeva/GPUImage,xingyuniu/GPUImage,drewwilson/GPUImage,odyth/GPUImage,mervekeles/repo,ohad7/GPUImage,zilaiyedaren/GPUImage,ohad7/GPUImage,stelabouras/GPUImage,howandhao/GPUImage,IncredibleDucky/GPUImage,SanChain/GPUImage,mumer92/GPUImage,AlanJN/GPUImage,DavidWangTM/GPUImage,lauraskelton/GPUImage,jimydotorg/GGGPUImage,PlanetaToBe/GPUImage,kalsariyac/GPUImage,hgl888/GPUImage,sdonly/GPUImage,jackeychens/GPUImage,Learn-IOS/GPUImage,rromanchuk/GPUImage,mad102190/GPUImage,eunmin/GPUImage,Matzo/GPUImage,gank0326/GPUImage,msfeldstein/GPUImage,tastyone/GPUImage,hakanw/GPUImage,inb4ohnoes/GPUImage,ozetadev/GPUImage,StratAguilar/GPUImage,xingyuniu/GPUImage,UndaApp/GPUImage,devluyy/GPUImage,SuPair/GPUImage,TuSDK/GPUImage,mattwymore/GPUImage,Slin/GPUImage,cookov/GPUImage,nickplee/GPUImage,pheed/GPUImage,zakinaeem/GPUImage,rtsbtx/GPUImage,zhengfuzhe2013/GPUImage,cesare-montresor/GPUImage,r3mus/GPUImage,cocologics/GPUImage,Slin/GPUImage,lauraskelton/GPUImage,headupinclouds/GPUImage,eighteight/GPUImage,thinkrad/GPUImage,rtsbtx/GPUImage,faceleg/GPUImage,lauraskelton/GPUImage,ask-fm/GPUImage,catbus/GPUImage,DavidWangTM/GPUImage,zhengfuzhe2013/GPUImage,cocologics/GPUImage,BlessNeo/GPUImage,appone/GPUImage,eighteight/GPUImage,powerhome/GPUImage,geowarsong/GPUImage,3drobotics/GPUImage,cocologics/GPUImage,TuSDK/GPUImage,drewwilson/GPUImage,drewwilson/GPUImage,inb4ohnoes/GPUImage,sdonly/GPUImage,SanChain/GPUImage,zzhhui/GPUImage,wjszf/GPUImage,wysaid/GPUImage,PlanetaToBe/GPUImage,mtxs007/GPUImage,SanjoDeundiak/GPUImage,0x4d52/GPUImage,silvansky/GPUImage,jsharp83/GPUImage,ozetadev/GPUImage,hyperconnect/GPUImage,rocklive/GPUImage,agan112/GPUImage,sprint84/GPUImage,BlessNeo/GPUImage,headupinclouds/GPUImage,catbus/GPUImage,odyth/GPUImage,wjszf/GPUImage,tastyone/GPUImage,sansuiso/GPUImage,PodRepo/GPUImage,jianwoo/GPUImage,u-engine/GPUImage,mattwymore/GPUImage,pevasquez/GPUImage,bgulanowski/GPUImage,pengleelove/GPUImage,devluyy/GPUImage,wysaid/GPUImage,nonoBruce/GPUImage,evfemist/GPUImage,geowarsong/GPUImage,UltravisualApp/GPUImage,sujeking/GPUImage,kalsariyac/GPUImage,loi32456/GPUImage,jsharp83/GPUImage,Slin/GPUImage,mad102190/GPUImage,wfxiang08/GPUImage,UltravisualApp/GPUImage,Hybridity/GPUImage,Kevin775263419/GPUImage,SinnerSchraderMobileMirrors/GPUImage,Lcarvajal/GPUImage,Hybridity/GPUImage,sansuiso/GPUImage,j364960953/GPUImage,njucsyyh/GPUImage,silvansky/GPUImage,cesare-montresor/GPUImage,3drobotics/GPUImage,PodRepo/GPUImage,stelabouras/GPUImage,eighteight/GPUImage,hoanganhx86/GPUImage,mumer92/GPUImage,yshiga/GPUImage,hoanganhx86/GPUImage,jsharp83/GPUImage,alex-learn/GPUImage,appone/GPUImage,0x4d52/GPUImage,lydonchandra/GPUImage,liduanw/GPUImage,zakinaeem/GPUImage,pheed/GPUImage,thinkrad/GPUImage,u-engine/GPUImage,duanhjlt/GPUImage,msfeldstein/GPUImage,levyleo/LGPUImage,cesare-montresor/GPUImage,jimydotorg/GGGPUImage,YuAo/GPUImage,pheed/GPUImage,ashishgabani/GPUImage,duanhjlt/GPUImage,wjszf/GPUImage,csjlengxiang/GPUImage,Lcarvajal/GPUImage,sujeking/GPUImage,xingyuniu/GPUImage,ashishgabani/GPUImage,jackeychens/GPUImage,BradLarson/GPUImage,haikusw/GPUImage,jianwoo/GPUImage,SuPair/GPUImage,headupinclouds/GPUImage,cnbin/GPUImage,liduanw/GPUImage,zzhhui/GPUImage,zilaiyedaren/GPUImage,faceleg/GPUImage,somegeekintn/GPUImage,AskaCai/GPUImage,wangwei1237/GPUImage,birthmark/GPUImage,nickplee/GPUImage,ramoslin02/GPUImage,SanjoDeundiak/GPUImage,YuAo/GPUImage,DepositDev/GPUImage,jimydotorg/GGGPUImage,cookov/GPUImage,efremidze/GPUImage,rromanchuk/GPUImage,shi-yan/GPUImage,HSFGitHub/GPUImage,rromanchuk/GPUImage,bgulanowski/GPUImage,AlanJN/GPUImage,agan112/GPUImage,hanton/GPUImage,RavishankarDuMCA10/GPUImage,yaoxiaoyong/GPUImage,937447974/GPUImage,DavidWangTM/GPUImage,csjlengxiang/GPUImage,lydonchandra/GPUImage,SinnerSchraderMobileMirrors/GPUImage,birthmark/GPUImage,evfemist/GPUImage,RavishankarDuMCA10/GPUImage,Kevin775263419/GPUImage,pcKanso/GPUImage,BradLarson/GPUImage,dachaoisme/GPUImage,wysaid/GPUImage,eunmin/GPUImage,faceleg/GPUImage,hanangellove/GPUImage,YuAo/GPUImage,yshiga/GPUImage,pcKanso/GPUImage,pevasquez/GPUImage,dawangjiaowolaixunshan/GPUImage,mumer92/GPUImage,Matzo/GPUImage,hgl888/GPUImage,KBvsMJ/GPUImage,denivip/GPUImage,kalsariyac/GPUImage,hgl888/GPUImage,jianwoo/GPUImage,HSFGitHub/GPUImage,AskaCai/GPUImage,AmiaoCat/GPUImage,sprint84/GPUImage,somegeekintn/GPUImage,picmonkey/GPUImage,denivip/GPUImage,mervekeles/GPUImage,cocologics/GPUImage,skonb/GPUImage,jackeychens/GPUImage,bragil-massoud/GPUImage,cnbin/GPUImage,powerhome/GPUImage,gank0326/GPUImage,xqz001/GPUImage,0x4d52/GPUImage,Learn-IOS/GPUImage,wangwei1237/GPUImage,FiftyThree/GPUImage,mad102190/GPUImage,wfxiang08/GPUImage,stelabouras/GPUImage,lily4ever/GPUImage,appone/GPUImage,agan112/GPUImage