Updated CHANGELOG for v4.2.0

Author: joelvh

CHANGELOG.md

@@ -1,3 +1,13 @@
+# 11/14/2017 - v4.2.0
+
+* Add Ruby 2.4.0 and 2.4.1 support
+* Drop Rails 4.1 support
+* Update tests to address deprecations
+* Replaced FactoryGirl with FactoryBot
+* Fixed test that likely never worked, but did not fail because of deprecated gems
+* Loosen gem versions
+* Rubocop cleanup
+
 # 9/26/2015
 
 * Added ability to pass a `context` object when verifying user login, allowing to pass extra data such as HTTP request (e.g. subdomain) if needed [5a99dac8f83492d643c20719f2d911d27c933a68](https://github.com/identification-io/CASino/commit/5a99dac8f83492d643c20719f2d911d27c933a68)