IO should default to the group leader
IO should default to the group leader

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