#35: added changelog and updated readme

Author: greenplugin

CHANGELOG.md

@@ -23,6 +23,21 @@ Updates should follow the [Keep a CHANGELOG](http://keepachangelog.com/) princip
 - Nothing
 --->
 
+## 1.6.0 - 2020-06-06
+
+#### June 4, 2020
+#### Bot API 4.9
+
+### Added
+- Added the new field `viaBot` to the `MessageType` class. 
+You can now know which bot was used to send a message.
+- Supported video thumbnails for inline GIF and MPEG4 animations (Updated comments in classes).
+- Supported the new basketball animation for the random dice. 
+Choose between different animations (dice, darts, basketball)
+by specifying the emoji parameter in the `SendDiceMethod`.
+Added to the class new factory method `SendDiceMethod::createWithBasketball` 
+and new constant `SendDiceMethod::EMOJI_BASKETBALL`.
+
 ## 1.5.1 - 2020-05-28
 
 ### Fixed

README.md

@@ -14,7 +14,7 @@
 [![Duplicated Lines (%)][sonar-duplicated-lines-icon]][sonar-path]
 [![Security Rating][sonar-security-rating-icon]][sonar-path]
 
-#### Supported Telegram Bot API v4.8 (April 24, 2020)
+#### Supported Telegram Bot API v4.9 (June 4, 2020)
 
 ## Installation
 
@@ -146,7 +146,7 @@ If you discover any security related issues, please email wformps@gmail.com inst
 The MIT License (MIT). Please see [License File](LICENSE.md) for more information.
 
 [ico-php-v]: https://img.shields.io/travis/php-v/tg-bot-api/bot-api-base.svg?style=flat-square
-[ico-bot-api]: https://img.shields.io/badge/Bot%20API-4.8-blue.svg?style=flat-square
+[ico-bot-api]: https://img.shields.io/badge/Bot%20API-4.9-blue.svg?style=flat-square
 [ico-version]: https://img.shields.io/packagist/v/tg-bot-api/bot-api-base.svg?style=flat-square
 [ico-license]: https://img.shields.io/badge/license-MIT-brightgreen.svg?style=flat-square
 [ico-travis]: https://img.shields.io/travis/tg-bot-api/bot-api-base/master.svg?style=flat-square