Fix some signatures and simplify methods
Fix some signatures and simplify methods

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