Improve OptionParser docs a bit further
Improve OptionParser docs a bit further

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