update version and changelog

Author: scrogson

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## v0.8.0 (2016-10-05)
+
+### Bug Fixes
+
+* Fixed an issue where checking the `content-type` was defaulting to
+  `application/json` causing Poison to explode.
+
 ## v0.7.0 (2016-08-16)
 
 ### Improvements

README.md

@@ -18,7 +18,7 @@ end
 
 defp deps do
   # Add the dependency
-  [{:oauth2, "~> 0.7"}]
+  [{:oauth2, "~> 0.8"}]
 end
 ```
 

mix.exs

@@ -1,7 +1,7 @@
 defmodule OAuth2.Mixfile do
   use Mix.Project
 
-  @version "0.7.0"
+  @version "0.8.0"
 
   def project do
     [app: :oauth2,