added csr_toell()
added csr_toell()

haudren/scipy,andyfaff/scipy,witcxc/scipy,ortylp/scipy,perimosocordiae/scipy,Srisai85/scipy,anntzer/scipy,fernand/scipy,larsmans/scipy,niknow/scipy,ogrisel/scipy,jjhelmus/scipy,minhlongdo/scipy,mortonjt/scipy,ChanderG/scipy,ndchorley/scipy,endolith/scipy,mtrbean/scipy,piyush0609/scipy,jsilter/scipy,matthew-brett/scipy,vberaudi/scipy,gef756/scipy,vhaasteren/scipy,Stefan-Endres/scipy,WarrenWeckesser/scipy,ilayn/scipy,mhogg/scipy,gef756/scipy,jor-/scipy,pbrod/scipy,mikebenfield/scipy,dch312/scipy,futurulus/scipy,endolith/scipy,larsmans/scipy,Shaswat27/scipy,newemailjdm/scipy,raoulbq/scipy,minhlongdo/scipy,bkendzior/scipy,behzadnouri/scipy,ales-erjavec/scipy,chatcannon/scipy,ndchorley/scipy,vberaudi/scipy,Srisai85/scipy,vanpact/scipy,anielsen001/scipy,nmayorov/scipy,Srisai85/scipy,Srisai85/scipy,futurulus/scipy,trankmichael/scipy,Newman101/scipy,haudren/scipy,apbard/scipy,petebachant/scipy,vigna/scipy,FRidh/scipy,andyfaff/scipy,sargas/scipy,ales-erjavec/scipy,anntzer/scipy,ChanderG/scipy,scipy/scipy,e-q/scipy,vhaasteren/scipy,vhaasteren/scipy,teoliphant/scipy,sonnyhu/scipy,dominicelse/scipy,vhaasteren/scipy,surhudm/scipy,mgaitan/scipy,person142/scipy,ChanderG/scipy,fredrikw/scipy,Shaswat27/scipy,jonycgn/scipy,pyramania/scipy,arokem/scipy,woodscn/scipy,aman-iitj/scipy,mortada/scipy,nmayorov/scipy,jor-/scipy,sauliusl/scipy,person142/scipy,josephcslater/scipy,pbrod/scipy,pschella/scipy,pnedunuri/scipy,Kamp9/scipy,pschella/scipy,pbrod/scipy,tylerjereddy/scipy,mgaitan/scipy,anielsen001/scipy,vberaudi/scipy,felipebetancur/scipy,larsmans/scipy,teoliphant/scipy,jseabold/scipy,pbrod/scipy,mgaitan/scipy,rmcgibbo/scipy,jamestwebber/scipy,vigna/scipy,kalvdans/scipy,anielsen001/scipy,felipebetancur/scipy,pschella/scipy,petebachant/scipy,mingwpy/scipy,matthewalbani/scipy,gertingold/scipy,pizzathief/scipy,sriki18/scipy,Newman101/scipy,WarrenWeckesser/scipy,WillieMaddox/scipy,mikebenfield/scipy,zaxliu/scipy,vanpact/scipy,fernand/scipy,ortylp/scipy,rmcgibbo/scipy,richardotis/scipy,maciejkula/scipy,jor-/scipy,behzadnouri/scipy,giorgiop/scipy,bkendzior/scipy,haudren/scipy,e-q/scipy,piyush0609/scipy,Dapid/scipy,pschella/scipy,FRidh/scipy,futurulus/scipy,Eric89GXL/scipy,petebachant/scipy,woodscn/scipy,jamestwebber/scipy,Eric89GXL/scipy,gfyoung/scipy,mdhaber/scipy,efiring/scipy,ndchorley/scipy,pnedunuri/scipy,ChanderG/scipy,nonhermitian/scipy,sriki18/scipy,aeklant/scipy,dominicelse/scipy,juliantaylor/scipy,ortylp/scipy,arokem/scipy,minhlongdo/scipy,rmcgibbo/scipy,maciejkula/scipy,behzadnouri/scipy,sonnyhu/scipy,zerothi/scipy,aman-iitj/scipy,raoulbq/scipy,chatcannon/scipy,Kamp9/scipy,matthewalbani/scipy,apbard/scipy,juliantaylor/scipy,lukauskas/scipy,felipebetancur/scipy,zxsted/scipy,niknow/scipy,sriki18/scipy,njwilson23/scipy,mtrbean/scipy,FRidh/scipy,mingwpy/scipy,hainm/scipy,scipy/scipy,andyfaff/scipy,witcxc/scipy,perimosocordiae/scipy,mortada/scipy,ChanderG/scipy,sriki18/scipy,jseabold/scipy,cpaulik/scipy,bkendzior/scipy,gertingold/scipy,kleskjr/scipy,jakevdp/scipy,pizzathief/scipy,woodscn/scipy,Kamp9/scipy,hainm/scipy,jamestwebber/scipy,juliantaylor/scipy,Shaswat27/scipy,arokem/scipy,sonnyhu/scipy,zxsted/scipy,trankmichael/scipy,ogrisel/scipy,gertingold/scipy,cpaulik/scipy,giorgiop/scipy,sargas/scipy,argriffing/scipy,maniteja123/scipy,WarrenWeckesser/scipy,scipy/scipy,njwilson23/scipy,anntzer/scipy,fernand/scipy,njwilson23/scipy,aarchiba/scipy,zerothi/scipy,kleskjr/scipy,Kamp9/scipy,mortonjt/scipy,gfyoung/scipy,lhilt/scipy,lukauskas/scipy,tylerjereddy/scipy,argriffing/scipy,gdooper/scipy,Newman101/scipy,Srisai85/scipy,raoulbq/scipy,arokem/scipy,witcxc/scipy,nonhermitian/scipy,jsilter/scipy,dch312/scipy,grlee77/scipy,andim/scipy,perimosocordiae/scipy,mortonjt/scipy,jsilter/scipy,scipy/scipy,andyfaff/scipy,kleskjr/scipy,jsilter/scipy,nonhermitian/scipy,Newman101/scipy,maciejkula/scipy,richardotis/scipy,maniteja123/scipy,e-q/scipy,mingwpy/scipy,lhilt/scipy,matthewalbani/scipy,teoliphant/scipy,behzadnouri/scipy,Dapid/scipy,andim/scipy,ogrisel/scipy,jakevdp/scipy,fredrikw/scipy,WillieMaddox/scipy,maciejkula/scipy,WillieMaddox/scipy,perimosocordiae/scipy,maciejkula/scipy,zxsted/scipy,fredrikw/scipy,Shaswat27/scipy,aeklant/scipy,andim/scipy,WarrenWeckesser/scipy,vigna/scipy,anielsen001/scipy,sonnyhu/scipy,jonycgn/scipy,rgommers/scipy,anielsen001/scipy,ales-erjavec/scipy,larsmans/scipy,scipy/scipy,aarchiba/scipy,Shaswat27/scipy,maniteja123/scipy,matthewalbani/scipy,haudren/scipy,gfyoung/scipy,mgaitan/scipy,grlee77/scipy,cpaulik/scipy,hainm/scipy,minhlongdo/scipy,person142/scipy,giorgiop/scipy,dominicelse/scipy,aeklant/scipy,mhogg/scipy,zerothi/scipy,matthew-brett/scipy,jakevdp/scipy,nonhermitian/scipy,jonycgn/scipy,gfyoung/scipy,mingwpy/scipy,anielsen001/scipy,nvoron23/scipy,larsmans/scipy,josephcslater/scipy,behzadnouri/scipy,petebachant/scipy,niknow/scipy,Stefan-Endres/scipy,vberaudi/scipy,newemailjdm/scipy,lukauskas/scipy,vanpact/scipy,sriki18/scipy,ilayn/scipy,sauliusl/scipy,nmayorov/scipy,fredrikw/scipy,rgommers/scipy,piyush0609/sc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