CHANGELOG.md in slack-ruby-client-0.7.8 vs CHANGELOG.md in slack-ruby-client-0.7.9

@@ -1,4 +1,8 @@
+### 0.7.9 (2/9/2017)
+
+* [#132](https://github.com/slack-ruby/slack-ruby-client/issues/132): Fix: you are setting a key that conflicts with a built-in method Slack::Messages::Message#presence - [@dblock](https://github.com/dblock).
+
 ### 0.7.8 (1/23/2017)
 
 * [#127](https://github.com/slack-ruby/slack-ruby-client/pull/127): Added `thread_ts` and `reply_broadcast` options to `chat_postMessage` in Web API - [@dblock](https://github.com/dblock).
 * [#127](https://github.com/slack-ruby/slack-ruby-client/pull/127): Added `channels_replies`, `groups_replies` and `im_replies` to Web API - [@dblock](https://github.com/dblock).
 * [#127](https://github.com/slack-ruby/slack-ruby-client/pull/127): Added `goodbye` event to the RTM API - [@dblock](https://github.com/dblock).