CHANGELOG.md in rakuten_web_service-1.9.2 vs CHANGELOG.md in rakuten_web_service-1.10.0

@@ -1,4 +1,16 @@
+# v1.10.0
+
+## Enhancements
+
+* Starts Support of two Travel APIs: SimpleHotelSearch and GetAreaClass. [#91](https://github.com/rakuten-ws/rws-ruby-sdk/pull/91)
+
+# v1.9.2 (2018/12/28)
+
+## Enhancements
+
+* Ruby 2.6 has been released :tada: this version joined the supported versions! [#100](https://github.com/rakuten-ws/rws-ruby-sdk/pull/100)
+
 # v1.9.1 (2018/03/30)
 
 ## Improvements
 
 * Use the magic comment to frozen all string literals.[#93](https://github.com/rakuten-ws/rws-ruby-sdk/pull/93)