Allow optimizing getting index of node.
Allow optimizing getting index of node.

edubrunaldi/kivy,janssen/kivy,kived/kivy,akshayaurora/kivy,matham/kivy,youprofit/kivy,cbenhagen/kivy,bionoid/kivy,LogicalDash/kivy,CuriousLearner/kivy,janssen/kivy,tony/kivy,bliz937/kivy,MiyamotoAkira/kivy,kived/kivy,iamutkarshtiwari/kivy,youprofit/kivy,manthansharma/kivy,vipulroxx/kivy,matham/kivy,jehutting/kivy,dirkjot/kivy,MiyamotoAkira/kivy,aron-bordin/kivy,yoelk/kivy,gonzafirewall/kivy,adamkh/kivy,gonzafirewall/kivy,ernstp/kivy,dirkjot/kivy,Cheaterman/kivy,adamkh/kivy,LogicalDash/kivy,ernstp/kivy,jffernandez/kivy,yoelk/kivy,vipulroxx/kivy,cbenhagen/kivy,xpndlabs/kivy,tony/kivy,cbenhagen/kivy,Cheaterman/kivy,bionoid/kivy,kivy/kivy,aron-bordin/kivy,ernstp/kivy,el-ethan/kivy,Ramalus/kivy,KeyWeeUsr/kivy,andnovar/kivy,bionoid/kivy,xiaoyanit/kivy,rafalo1333/kivy,jffernandez/kivy,arlowhite/kivy,jkankiewicz/kivy,KeyWeeUsr/kivy,MiyamotoAkira/kivy,CuriousLearner/kivy,yoelk/kivy,rafalo1333/kivy,iamutkarshtiwari/kivy,Cheaterman/kivy,thezawad/kivy,bob-the-hamster/kivy,matham/kivy,arlowhite/kivy,xiaoyanit/kivy,rnixx/kivy,vitorio/kivy,ernstp/kivy,darkopevec/kivy,el-ethan/kivy,viralpandey/kivy,jffernandez/kivy,kivy/kivy,LogicalDash/kivy,rnixx/kivy,bob-the-hamster/kivy,rnixx/kivy,jkankiewicz/kivy,manashmndl/kivy,gonzafirewall/kivy,kived/kivy,mSenyor/kivy,vitorio/kivy,Ramalus/kivy,andnovar/kivy,jegger/kivy,kivy/kivy,thezawad/kivy,yoelk/kivy,manthansharma/kivy,Cheaterman/kivy,darkopevec/kivy,arlowhite/kivy,MiyamotoAkira/kivy,el-ethan/kivy,manashmndl/kivy,inclement/kivy,Ramalus/kivy,bob-the-hamster/kivy,jkankiewicz/kivy,viralpandey/kivy,iamutkarshtiwari/kivy,Shyam10/kivy,xpndlabs/kivy,adamkh/kivy,andnovar/kivy,darkopevec/kivy,thezawad/kivy,manthansharma/kivy,habibmasuro/kivy,CuriousLearner/kivy,VinGarcia/kivy,bhargav2408/kivy,Shyam10/kivy,vipulroxx/kivy,bhargav2408/kivy,VinGarcia/kivy,VinGarcia/kivy,adamkh/kivy,Shyam10/kivy,inclement/kivy,autosportlabs/kivy,viralpandey/kivy,habibmasuro/kivy,jffernandez/kivy,xiaoyanit/kivy,jegger/kivy,inclement/kivy,akshayaurora/kivy,jkankiewicz/kivy,mSenyor/kivy,darkopevec/kivy,dirkjot/kivy,edubrunaldi/kivy,edubrunaldi/kivy,jegger/kivy,manthansharma/kivy,dirkjot/kivy,vipulroxx/kivy,KeyWeeUsr/kivy,autosportlabs/kivy,mSenyor/kivy,bhargav2408/kivy,manashmndl/kivy,bliz937/kivy,vitorio/kivy,tony/kivy,LogicalDash/kivy,aron-bordin/kivy,gonzafirewall/kivy,akshayaurora/kivy,matham/kivy,bob-the-hamster/kivy,rafalo1333/kivy,autosportlabs/kivy,KeyWeeUsr/kivy,janssen/kivy,jehutting/kivy,aron-bordin/kivy,youprofit/kivy,xpndlabs/kivy,Shyam10/kivy,janssen/kivy,jehutting/kivy,bionoid/kivy,bliz937/kivy,jegger/kivy,habibmasuro/kivy