update changeling

forgot i made npm release for 4.2.1, but no github release

CHANGELOG.md

@@ -1,11 +1,13 @@
 ## 4.3.0 - 2016-09-21
-- Fix issue with queuing getting stuck when device disconnects / closes [\#315](https://github.com/randdusing/cordova-plugin-bluetoothle/pull/315)
 - Add ability to force rediscover via clearCache parameter (Android) [\#340](https://github.com/randdusing/cordova-plugin-bluetoothle/pull/340)
 - UUIDs are now always uppercase [\#337](https://github.com/randdusing/BluetoothLE/issues/337)
 - Fix issue with discoveredState being null on connect error, which caused NullPointerExceptions [\#342](https://github.com/randdusing/BluetoothLE/issues/342)
 - Add ability to auto connect via autoConnect parameter (Android) [\#333](https://github.com/randdusing/BluetoothLE/issues/333)
 - Update package.json engines [\#348](https://github.com/randdusing/cordova-plugin-bluetoothle/pull/348)
 
+## 4.2.1 - 2016-07-25 (Forgot GitHub release, but on NPM)
+- Fix issue with queuing getting stuck when device disconnects / closes [\#315](https://github.com/randdusing/cordova-plugin-bluetoothle/pull/315)
+
 ## 4.2.0 - 2016-07-09
 - Added ability to bond/unbond on Android