added tests for clean up operations
added tests for clean up operations

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