Mostly re-instate typed Array support.
Mostly re-instate typed Array support.

Toss no-longer-needed specialized AT-POS along the way.

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