Update Changelog

Author: dhoomakethu

CHANGELOG.rst

@@ -3,9 +3,8 @@ Version 2.0.0rc2
 **Note This is a Major release and might affect your existing Async client implementation. Refer examples on how to use the latest async clients.**
 
 * Async client implementation based on Tornado, Twisted and asyncio with backward compatibility support for twisted client.
-* Allow reusing existing[running] asyncio loop when creating async client based on asyncio.
 * Allow reusing address for Modbus TCP sync server.
-* Add support to install tornado as extra requirement while installing pymodbus.
+* Add support to install tornado and repl as extra requirement while installing pymodbus.
 * Support Pymodbus REPL
 * Add support to python 3.7.
 * Bug fix and enhancements in examples.