Add Bool.pred and Bool.succ.
Add Bool.pred and Bool.succ.

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