Updated CHANGES and README

Author: Ross Mechanic

CHANGES.rst

@@ -3,7 +3,7 @@ Changes
 
 Unreleased
 ----------
-- Added Django 2.0 support
+- Added Django 2.0 support (gh-330)
 - Dropped support for Django<=1.10 (gh-356)
 - Fix bug where history_view ignored user permissions (gh-361)
 - Fixed HistoryRequestMiddleware which hadn't been working for Django>1.9 (gh-364)

README.rst

@@ -20,7 +20,7 @@ django-simple-history
 
 django-simple-history stores Django model state on every create/update/delete.
 
-This app requires Django 1.10 or 1.11 and Python 2.7, or 3.4 or greater.
+This app requires Django 1.11 or 2.0 and Python 2.7, or 3.4 or greater.
 However, the most recent release (1.9.1) supports Django>=1.7,<2.0. The next
 release will include Django 2.0 support.