Update changelog for release 2.13
-### Development
+### 2.13 / 2018-03-05
+
+[Full Changelog](https://github.com/AltBeacon/android-beacon-library/compare/2.12.4...2.13)
Enhancements:
- Add BluetoothMedic to fix crashing bluetooth stacks. (#644, David G. Young)
@@ -9,6 +11,8 @@ Enhancements:
### 2.12.4 / 2017-12-16
+[Full Changelog](https://github.com/AltBeacon/android-beacon-library/compare/2.12.3...2.12.4)
+
Bug Fixes:
- Fix performance problems when using identifiers 3-15 bytes caused by
Identifier#toHexString(). (#615, David G. Young)
