Bump version and update CHANGELOG

Author: parroty

CHANGELOG.md

@@ -1,8 +1,10 @@
-Unreleases
+0.12.0
 ------
 #### Changes
-* Update dependency.
-  - Replaced poison dep with jason 1.1 (#121).
+Replaced poison dep with jason 1.1 (#121).
+
+#### Enhancements
+- Add `full_text` field back into tweet model (#122).
 
 0.11.0
 ------

mix.exs

@@ -3,7 +3,7 @@ defmodule ExTwitter.Mixfile do
 
   def project do
     [ app: :extwitter,
-      version: "0.11.0",
+      version: "0.12.0",
       elixir: ">= 1.4.0",
       deps: deps(),
       description: description(),