Fixed changelog.
* Upgrade to Apache Cassandra 3.0.12
-## 3.0.11.0 (upcoming)
+## 3.0.11.0 (April 07, 2017)
* Upgrade to Apache Cassandra 3.0.11
-## 3.0.10.4 (upcoming)
+## 3.0.10.4 (April 07, 2017)
* Fix collection columns indexing being part of clustering key (#286)
* Avoid unsupported usage of multicolumn mappers with collections
