adding atom_to_binary with UTF8 encoding as default
adding atom_to_binary with UTF8 encoding as default

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