Add the change log for 7.0.0
Add the change log for 7.0.0

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