put ascii commas in correct place for lists > 2 elements
put ascii commas in correct place for lists > 2 elements

jonathanstowe/doc,perl6/doc,stmuk/doc,perl6/doc,antquinonez/doc,tbrowder/doc,jonathanstowe/doc,dmaestro/doc,dmaestro/doc,dha/doc,antquinonez/doc,dmaestro/doc,tbrowder/doc,gfldex/doc,dha/doc,gfldex/doc,MasterDuke17/doc,dha/doc,jonathanstowe/doc,dha/doc,tbrowder/doc,stmuk/doc,perl6/doc,MasterDuke17/doc,stmuk/doc,perl6/doc,MasterDuke17/doc,jonathanstowe/doc,dha/doc,antquinonez/doc,stmuk/doc,stmuk/doc,antquinonez/doc,perl6/doc,dmaestro/doc,antquinonez/doc,dmaestro/doc,jonathanstowe/doc,MasterDuke17/doc,gfldex/doc,gfldex/doc,tbrowder/doc,gfldex/doc