updated version

mix.exs

@@ -1,15 +1,16 @@
 defmodule Samly.Mixfile do
   use Mix.Project
 
-  @version "0.4.0"
+  @version "0.5.0"
   @description "SAML plug"
   @source_url "https://github.com/handnot2/samly"
 
-  def project do
+  def project() do
     [
       app: :samly,
       version: @version,
       description: @description,
+      docs: docs(),
       package: package(),
       elixir: "~> 1.5",
       start_permanent: Mix.env == :prod,
@@ -18,21 +19,30 @@ defmodule Samly.Mixfile do
   end
 
   # Run "mix help compile.app" to learn about applications.
-  def application do
+  def application() do
     [
       extra_applications: [:logger]
     ]
   end
 
   # Run "mix help deps" to learn about dependencies.
-  defp deps do
+  defp deps() do
     [
       {:plug, "~> 1.4"},
       {:esaml, "~> 3.0"},
       {:ex_doc, "~> 0.16", only: :dev},
     ]
   end
 
+  defp docs() do
+    [
+      #extras: ["README.md"],
+      #main: "readme",
+      source_ref: "v#{@version}",
+      source_url: @source_url,
+    ]
+  end
+
   defp package() do
     [
       maintainers: ["handnot2"],