Add IEx helper flush/0
Add IEx helper flush/0

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