Enum.join/2 and Enum.map_join/3 now uses iolists
Enum.join/2 and Enum.map_join/3 now uses iolists

joshprice/elixir,pedrosnk/elixir,kelvinst/elixir,beedub/elixir,lexmag/elixir,beedub/elixir,michalmuskala/elixir,pedrosnk/elixir,elixir-lang/elixir,ggcampinho/elixir,gfvcastro/elixir,kelvinst/elixir,gfvcastro/elixir,antipax/elixir,ggcampinho/elixir,kimshrier/elixir,antipax/elixir,kimshrier/elixir,lexmag/elixir