Added an example to the to_list function
Added an example to the to_list function

Since `Dict.into_list(Enum.into(list, dict_impl.new)) == list`, I used Dict.put to build the dict.

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