Update CHANGELOG
Update CHANGELOG

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