make p6bool aware of lexicalref, improving perf with natives
make p6bool aware of lexicalref, improving perf with natives

ought to close the performance gap between ?? !! and p6bool op.

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