All other types on (.) and (+) need Bag coercion
All other types on (.) and (+) need Bag coercion

This fixes an uncaught error on Iterable (+) Iterable if the Iterable
contained Pairs.  And it improves the speed of Iterable (.) Iterable
by a factor of 2.5.

Gnouc/rakudo,tbrowder/rakudo,tony-o/rakudo,salortiz/rakudo,softmoth/rakudo,tbrowder/rakudo,MasterDuke17/rakudo,labster/rakudo,MasterDuke17/rakudo,tony-o/rakudo,Gnouc/rakudo,lucasbuchala/rakudo,softmoth/rakudo,softmoth/rakudo,nbrown/rakudo,labster/rakudo,MasterDuke17/rakudo,sjn/rakudo,labster/rakudo,sjn/rakudo,tony-o/rakudo,tony-o/rakudo,usev6/rakudo,labster/rakudo,sjn/rakudo,nbrown/rakudo,usev6/rakudo,usev6/rakudo,rakudo/rakudo,jonathanstowe/rakudo,MasterDuke17/rakudo,jonathanstowe/rakudo,rakudo/rakudo,tbrowder/rakudo,tbrowder/rakudo,raydiak/rakudo,raydiak/rakudo,usev6/rakudo,Gnouc/rakudo,nbrown/rakudo,awwaiid/rakudo,salortiz/rakudo,softmoth/rakudo,MasterDuke17/rakudo,salortiz/rakudo,jonathanstowe/rakudo,jonathanstowe/rakudo,lucasbuchala/rakudo,salortiz/rakudo,Gnouc/rakudo,MasterDuke17/rakudo,lucasbuchala/rakudo,usev6/rakudo,sjn/rakudo,softmoth/rakudo,lucasbuchala/rakudo,salortiz/rakudo,jonathanstowe/rakudo,tbrowder/rakudo,lucasbuchala/rakudo,sjn/rakudo,rakudo/rakudo,awwaiid/rakudo,awwaiid/rakudo,Gnouc/rakudo,nbrown/rakudo,Gnouc/rakudo,nbrown/rakudo,tony-o/rakudo,raydiak/rakudo,nbrown/rakudo,labster/rakudo,labster/rakudo,awwaiid/rakudo,tbrowder/rakudo,raydiak/rakudo,rakudo/rakudo,salortiz/rakudo,tony-o/rakudo,awwaiid/rakudo,rakudo/rakudo,rakudo/rakudo