Update CHANGELOG
Update CHANGELOG

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