Added push and pop methods, updated unshift to take a list of elements to be unshifted onto the list.
Added push and pop methods, updated unshift to take a list of elements to be unshifted onto the list.


git-svn-id: ebc29296f9ec9cd27706eb0497c26fede0e190b2@24718 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

zhuomingliang/rakudo,nunorc/rakudo,nunorc/rakudo,tbrowder/rakudo,sergot/rakudo,b2gills/rakudo,samcv/rakudo,b2gills/rakudo,usev6/rakudo,labster/rakudo,softmoth/rakudo,niner/rakudo,ungrim97/rakudo,skids/rakudo,Gnouc/rakudo,cognominal/rakudo,cygx/rakudo,rakudo/rakudo,tony-o/rakudo,laben/rakudo,nbrown/rakudo,azawawi/rakudo,rakudo/rakudo,rjbs/rakudo,cygx/rakudo,pmurias/rakudo,b2gills/rakudo,jonathanstowe/rakudo,paultcochrane/rakudo,raydiak/rakudo,samcv/rakudo,LLFourn/rakudo,dankogai/rakudo,Leont/rakudo,retupmoca/rakudo,dwarring/rakudo,teodozjan/rakudo,cygx/rakudo,ab5tract/rakudo,Gnouc/rakudo,dwarring/rakudo,rakudo/rakudo,b2gills/rakudo,jonathanstowe/rakudo,LLFourn/rakudo,rakudo/rakudo,Gnouc/rakudo,tony-o/deb-rakudodaily,tbrowder/rakudo,nbrown/rakudo,ugexe/rakudo,tony-o/deb-rakudodaily,tony-o/rakudo,retupmoca/rakudo,Leont/rakudo,zostay/rakudo,skids/rakudo,salortiz/rakudo,tony-o/deb-rakudodaily,jonathanstowe/rakudo,awwaiid/rakudo,tony-o/deb-rakudodaily,labster/rakudo,zhuomingliang/rakudo,salortiz/rakudo,awwaiid/rakudo,raydiak/rakudo,usev6/rakudo,ungrim97/rakudo,jonathanstowe/rakudo,b2gills/rakudo,MasterDuke17/rakudo,ugexe/rakudo,skids/rakudo,tbrowder/rakudo,tbrowder/rakudo,samcv/rakudo,ugexe/rakudo,lucasbuchala/rakudo,Gnouc/rakudo,nbrown/rakudo,softmoth/rakudo,tony-o/deb-rakudodaily,salortiz/rakudo,labster/rakudo,samcv/rakudo,teodozjan/rakudo,rakudo/rakudo,labster/rakudo,usev6/rakudo,raydiak/rakudo,ungrim97/rakudo,niner/rakudo,zostay/rakudo,sjn/rakudo,nbrown/rakudo,LLFourn/rakudo,retupmoca/rakudo,lucasbuchala/rakudo,LLFourn/rakudo,sjn/rakudo,sergot/rakudo,MasterDuke17/rakudo,dankogai/rakudo,ab5tract/rakudo,paultcochrane/rakudo,ungrim97/rakudo,sjn/rakudo,MasterDuke17/rakudo,raydiak/rakudo,tony-o/rakudo,teodozjan/rakudo,nbrown/rakudo,azawawi/rakudo,sergot/rakudo,niner/rakudo,azawawi/rakudo,dakkar/rakudo,nunorc/rakudo,awwaiid/rakudo,cygx/rakudo,tony-o/deb-rakudodaily,nbrown/rakudo,Leont/rakudo,zostay/rakudo,tbrowder/rakudo,azawawi/rakudo,laben/rakudo,skids/rakudo,dankogai/rakudo,salortiz/rakudo,usev6/rakudo,pmurias/rakudo,MasterDuke17/rakudo,salortiz/rakudo,nunorc/rakudo,Leont/rakudo,labster/rakudo,jonathanstowe/rakudo,pmurias/rakudo,cygx/rakudo,rjbs/rakudo,paultcochrane/rakudo,skids/rakudo,dwarring/rakudo,softmoth/rakudo,niner/rakudo,laben/rakudo,awwaiid/rakudo,tony-o/rakudo,sjn/rakudo,zostay/rakudo,awwaiid/rakudo,ungrim97/rakudo,usev6/rakudo,tony-o/deb-rakudodaily,dwarring/rakudo,cognominal/rakudo,ugexe/rakudo,paultcochrane/rakudo,Gnouc/rakudo,pmurias/rakudo,tony-o/rakudo,rakudo/rakudo,dankogai/rakudo,sergot/rakudo,ugexe/rakudo,rjbs/rakudo,salortiz/rakudo,dankogai/rakudo,labster/rakudo,cognominal/rakudo,lucasbuchala/rakudo,softmoth/rakudo,sjn/rakudo,MasterDuke17/rakudo,retupmoca/rakudo,MasterDuke17/rakudo,samcv/rakudo,azawawi/rakudo,lucasbuchala/rakudo,laben/rakudo,ab5tract/rakudo,ab5tract/rakudo,LLFourn/rakudo,mrgetit/rakudo,Gnouc/rakudo,ab5tract/rakudo,cognominal/rakudo,softmoth/rakudo,tony-o/rakudo,tbrowder/rakudo,zhuomingliang/rakudo,paultcochrane/rakudo,lucasbuchala/rakudo,cognominal/rakudo,teodozjan/rakudo,zhuomingliang/rakudo