Update changelog

Author: mikebronner

CHANGELOG.md

@@ -1,8 +1,12 @@
 # Change Log
 [Package Checklist](http://phppackagechecklist.com/#1,2,3,4,6,7,8,9,10,11,12,13,14)
 
-## [0.2.0] - 2 Dec 2015
+## [0.2.0 - 0.2.1] - 2 Dec 2015
+### Fixed
+- reference to User model primary key to not use `$user->id`, but instead `$user->getKey()`.
+
 ### Changed
+- installation instructions to make sure a User exists in the system.
 - installation instructions for adding Entities.
 - views to better resemble Spark Settings components, so they can be integrated into Spark.