Update README and CHANGELOG

Author: vividvilla

CHANGELOG.md

@@ -42,9 +42,6 @@ API method name changes
 
 Params and other changes
 ========================
-- `placeOrder` method takes all the params as array including `variety`
-- `modifyOrder` method takes all the params as array including `variety` and `order_id`
-- `cancelOrder` method takes all the params as array
 - `convertPosition` method takes all the params as array
 - `getHistoricalData` method takes all the params as array
 - [Changes in `generateSession` response structure](https://kite.trade/docs/connect/v3/user/#response-attributes)

README.md

@@ -1,12 +1,12 @@
-# The Kite Connect API PHP client
+# The Kite Connect API PHP client - v3
 The official PHP client for communicating with the [Kite Connect API](https://kite.trade).
 
 Kite Connect is a set of REST-like APIs that expose many capabilities required to build a complete investment and trading platform. Execute orders in real time, manage user portfolio and more, with the simple HTTP API collection.
 
-[Rainmatter](http://rainmatter.com) (c) 2016. Licensed under the MIT License.
+[Zerodha Technology](http://zerodha.com) (c) 2018. Licensed under the MIT License.
 
 ## Documentation
-- [PHP client documentation](https://kite.trade/docs/phpkiteconnect/)
+- [PHP client documentation](https://kite.trade/docs/phpkiteconnect/v3)
 - [Kite Connect HTTP API documentation](https://kite.trade/docs/connect/v3)
 
 ## Installing
@@ -54,8 +54,8 @@ Download `kiteconnect.php` and `include()` it in your application.
 	echo "Order id is ".$order_id;
 ```
 
-Refer to the [PHP client documentation](https://kite.trade/docs/phpkiteconnect/) for the complete list of supported methods.
+Refer to the [PHP client documentation](https://kite.trade/docs/phpkiteconnect/v3) for the complete list of supported methods.
 
 ## Changelog
-- 2016-07-05	Added `$parent_order_id` to orderModify() and orderCancel() for multi-legged orders.
+[Check CHANGELOG.md](CHANGELOG.md)