CHANGELOG.md in sendgrid-ruby-4.2.1 vs CHANGELOG.md in sendgrid-ruby-4.3.0

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 # Change Log
 All notable changes to this project will be documented in this file.
 
+## [4.3.0] - 2016-4-17 ##
+### Added
+- #70: Adds an account settings management helper object
+- See the [helper README](https://github.com/sendgrid/sendgrid-ruby/tree/master/lib/sendgrid/helpers/settings) for details
+- Thanks to [Kyle Kern](https://github.com/kernkw) for the pull request!
+
 ## [4.2.1] - 2016-4-10 ##
 ### Fixed
 - #112: Fixes version ambiguity in gemspec
 - Thanks to [Chris McKnight](https://github.com/cmckni3) for the pull request!
 
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