Mention Mu.clone's tweedles only tweedle public attrs
Mention Mu.clone's tweedles only tweedle public attrs

Also reword
dmaestro/doc,dmaestro/doc,gfldex/doc,antquinonez/doc,tbrowder/doc,tbrowder/doc,jonathanstowe/doc,perl6/doc,perl6/doc,gfldex/doc,antquinonez/doc,antquinonez/doc,dmaestro/doc,antquinonez/doc,jonathanstowe/doc,antquinonez/doc,MasterDuke17/doc,tbrowder/doc,MasterDuke17/doc,stmuk/doc,perl6/doc,jonathanstowe/doc,stmuk/doc,jonathanstowe/doc,tbrowder/doc,MasterDuke17/doc,dmaestro/doc,perl6/doc,gfldex/doc,gfldex/doc,perl6/doc,stmuk/doc,jonathanstowe/doc,MasterDuke17/doc,stmuk/doc,stmuk/doc,gfldex/doc,dmaestro/doc