Fix some off-by-one and skip-empty issues
Fix some off-by-one and skip-empty issues

zostay/rakudo,azawawi/rakudo,rakudo/rakudo,awwaiid/rakudo,softmoth/rakudo,LLFourn/rakudo,jonathanstowe/rakudo,labster/rakudo,rakudo/rakudo,ugexe/rakudo,LLFourn/rakudo,rakudo/rakudo,paultcochrane/rakudo,zostay/rakudo,ugexe/rakudo,usev6/rakudo,softmoth/rakudo,rakudo/rakudo,jonathanstowe/rakudo,tony-o/rakudo,usev6/rakudo,softmoth/rakudo,MasterDuke17/rakudo,lucasbuchala/rakudo,rakudo/rakudo,paultcochrane/rakudo,nbrown/rakudo,ab5tract/rakudo,Gnouc/rakudo,azawawi/rakudo,ungrim97/rakudo,softmoth/rakudo,raydiak/rakudo,tbrowder/rakudo,lucasbuchala/rakudo,tony-o/rakudo,paultcochrane/rakudo,awwaiid/rakudo,ungrim97/rakudo,salortiz/rakudo,labster/rakudo,b2gills/rakudo,tony-o/rakudo,salortiz/rakudo,ab5tract/rakudo,b2gills/rakudo,raydiak/rakudo,lucasbuchala/rakudo,ugexe/rakudo,samcv/rakudo,jonathanstowe/rakudo,salortiz/rakudo,b2gills/rakudo,salortiz/rakudo,dankogai/rakudo,raydiak/rakudo,sjn/rakudo,awwaiid/rakudo,sjn/rakudo,Gnouc/rakudo,dankogai/rakudo,zostay/rakudo,tbrowder/rakudo,tony-o/rakudo,Gnouc/rakudo,samcv/rakudo,tbrowder/rakudo,dankogai/rakudo,paultcochrane/rakudo,LLFourn/rakudo,zostay/rakudo,sjn/rakudo,labster/rakudo,nbrown/rakudo,ab5tract/rakudo,softmoth/rakudo,ab5tract/rakudo,labster/rakudo,dankogai/rakudo,usev6/rakudo,nbrown/rakudo,nbrown/rakudo,ungrim97/rakudo,MasterDuke17/rakudo,labster/rakudo,usev6/rakudo,azawawi/rakudo,MasterDuke17/rakudo,lucasbuchala/rakudo,jonathanstowe/rakudo,sjn/rakudo,usev6/rakudo,b2gills/rakudo,Gnouc/rakudo,samcv/rakudo,sjn/rakudo,tony-o/rakudo,Gnouc/rakudo,tony-o/rakudo,salortiz/rakudo,awwaiid/rakudo,paultcochrane/rakudo,dankogai/rakudo,samcv/rakudo,azawawi/rakudo,Gnouc/rakudo,LLFourn/rakudo,labster/rakudo,tbrowder/rakudo,jonathanstowe/rakudo,b2gills/rakudo,MasterDuke17/rakudo,tbrowder/rakudo,ugexe/rakudo,nbrown/rakudo,tbrowder/rakudo,raydiak/rakudo,LLFourn/rakudo,ugexe/rakudo,awwaiid/rakudo,ungrim97/rakudo,ab5tract/rakudo,rakudo/rakudo,salortiz/rakudo,ungrim97/rakudo,MasterDuke17/rakudo,samcv/rakudo,lucasbuchala/rakudo,MasterDuke17/rakudo,nbrown/rakudo,azawawi/rakudo