explicitly require virtualenv>=1.9.1 for travis
explicitly require virtualenv>=1.9.1 for travis

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