Remove duplication in IEx.History
Remove duplication in IEx.History

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