[Rakudo] Minor cleanups of the Perl6Str PMC.
[Rakudo] Minor cleanups of the Perl6Str PMC.

git-svn-id: ebc29296f9ec9cd27706eb0497c26fede0e190b2@26373 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

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