Updated release notes (0.4.2)

Author: shyiko

changelog.md

@@ -16,6 +16,11 @@ This is **BACKWARD-INCOMPATIBLE** change.
  - BINARY/VARBINARY deserialization ([#56](https://github.com/shyiko/mysql-binlog-connector-java/issues/56)).  
 This is **BACKWARD-INCOMPATIBLE** change as CHAR/VARCHAR/BINARY/VARBINARY are now returned as `byte[]` (which you can obviously convert to String with `new String(byte[], Charset)` if needed).
 
+## [0.4.2](https://github.com/shyiko/mysql-binlog-connector-java/compare/0.4.1...0.4.2) - 2016-09-20
+
+### Fixed
+ - A race condition that could result in duplicate events to be emitted on reconnect ([#113](https://github.com/shyiko/mysql-binlog-connector-java/issues/113)).
+
 ## [0.4.1](https://github.com/shyiko/mysql-binlog-connector-java/compare/0.4.0...0.4.1) - 2016-08-31
 
 ### Fixed