Version bump 1.2.0

CHANGELOG.md

@@ -5,11 +5,15 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## [Unreleased](https://github.com/python-social-auth/social-app-django/commits/master)
+## [1.2.0](https://github.com/python-social-auth/social-app-django/releases/tag/1.2.0) - 2017-05-06
 
 ### Added
 - Check for a `MAX_SESSION_LENGTH` setting when logging in and setting session expiry.
 
+### Changed
+- Addded `on_cascade` clauses to migrations.
+- Restrict association URL to just integer ids
+
 ## [1.1.0](https://github.com/python-social-auth/social-app-django/releases/tag/1.1.0) - 2017-02-10
 
 ### Added