Update README.md

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Author: smallmiro

README.md

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 # Socket.IO-Client-Unity3D
-[![Download](https://img.shields.io/badge/Download-1.1.0-orange.svg)](https://github.com/nhnent/socket.io-client-unity3d/releases/tag/v1.1.0)
+[![Download](https://img.shields.io/badge/Download-1.1.1-orange.svg)](https://github.com/nhnent/socket.io-client-unity3d/releases/tag/v1.1.1)
 [![license](https://img.shields.io/github/license/mashape/apistatus.svg)](https://github.com/nhnent/socket.io-client-unity3d/blob/master/LICENSE) 
 
 ## Features