Yet another fix for finding requirements with absolute versions, uses the main index now, if given.
Yet another fix for finding requirements with absolute versions, uses the main index now, if given.

alquerci/pip,rbtcollins/pip,dstufft/pip,mindw/pip,jmagnusson/pip,squidsoup/pip,esc/pip,Gabriel439/pip,jythontools/pip,mujiansu/pip,natefoo/pip,prasaianooz/pip,nthall/pip,rbtcollins/pip,radiosilence/pip,James-Firth/pip,jmagnusson/pip,jamezpolley/pip,jythontools/pip,supriyantomaftuh/pip,ncoghlan/pip,ianw/pip,haridsv/pip,alex/pip,domenkozar/pip,haridsv/pip,pradyunsg/pip,zvezdan/pip,blarghmatey/pip,prasaianooz/pip,pjdelport/pip,ChristopherHogan/pip,blarghmatey/pip,sbidoul/pip,atdaemon/pip,qbdsoft/pip,squidsoup/pip,James-Firth/pip,fiber-space/pip,habnabit/pip,graingert/pip,pjdelport/pip,caosmo/pip,atdaemon/pip,zorosteven/pip,sigmavirus24/pip,minrk/pip,msabramo/pip,pfmoore/pip,squidsoup/pip,zenlambda/pip,graingert/pip,Ivoz/pip,jmagnusson/pip,supriyantomaftuh/pip,tdsmith/pip,xavfernandez/pip,qbdsoft/pip,dstufft/pip,qwcode/pip,supriyantomaftuh/pip,wkeyword/pip,jasonkying/pip,luzfcb/pip,rouge8/pip,h4ck3rm1k3/pip,KarelJakubec/pip,alex/pip,wkeyword/pip,zenlambda/pip,qwcode/pip,erikrose/pip,ianw/pip,davidovich/pip,fiber-space/pip,Ivoz/pip,mujiansu/pip,patricklaw/pip,wkeyword/pip,cjerdonek/pip,graingert/pip,RonnyPfannschmidt/pip,zorosteven/pip,cjerdonek/pip,benesch/pip,luzfcb/pip,benesch/pip,harrisonfeng/pip,habnabit/pip,RonnyPfannschmidt/pip,fiber-space/pip,Gabriel439/pip,mindw/pip,minrk/pip,techtonik/pip,rouge8/pip,mattrobenolt/pip,jasonkying/pip,harrisonfeng/pip,zorosteven/pip,willingc/pip,KarelJakubec/pip,chaoallsome/pip,mattrobenolt/pip,Carreau/pip,sigmavirus24/pip,natefoo/pip,ChristopherHogan/pip,chaoallsome/pip,zenlambda/pip,mindw/pip,zvezdan/pip,yati-sagade/pip,sigmavirus24/pip,caosmo/pip,esc/pip,ncoghlan/pip,erikrose/pip,haridsv/pip,techtonik/pip,prasaianooz/pip,KarelJakubec/pip,atdaemon/pip,caosmo/pip,chaoallsome/pip,rbtcollins/pip,techtonik/pip,alquerci/pip,tdsmith/pip,pjdelport/pip,alex/pip,zvezdan/pip,patricklaw/pip,willingc/pip,Gabriel439/pip,h4ck3rm1k3/pip,xavfernandez/pip,tdsmith/pip,mujiansu/pip,dstufft/pip,jythontools/pip,RonnyPfannschmidt/pip,jasonkying/pip,jamezpolley/pip,xavfernandez/pip,pypa/pip,ncoghlan/pip,blarghmatey/pip,yati-sagade/pip,habnabit/pip,pypa/pip,erikrose/pip,pfmoore/pip,James-Firth/pip,benesch/pip,willingc/pip,h4ck3rm1k3/pip,ChristopherHogan/pip,jamezpolley/pip,qbdsoft/pip,yati-sagade/pip,esc/pip,nthall/pip,davidovich/pip,sbidoul/pip,rouge8/pip,Carreau/pip,luzfcb/pip,natefoo/pip,msabramo/pip,davidovich/pip,harrisonfeng/pip,nthall/pip,pradyunsg/pip