updated build download links to v7.1

README.md

@@ -16,12 +16,12 @@ You are a circle. Awakened in the middle of a remote forest, you don't know how
 
 You can find the download link for the newest playable release of the game (Windows) under the *Releases* tab. Or you can just simply click on the *Download* button below.
 
-[![Download the game](/Documentation/Images/download_button.png)](https://github.com/christiandunkel/tensquared/releases/download/v7/build_windows_64bit.zip)
+[![Download the game](/Documentation/Images/download_button.png)](https://github.com/christiandunkel/tensquared/releases/download/v7.1/build_windows_64bit.zip)
 
 *Other Download links:*
-- [Windows (32 bit)](https://github.com/christiandunkel/tensquared/releases/download/v7/build_windows_32bit.zip)
-- [Linux (64 bit)](https://github.com/christiandunkel/tensquared/releases/download/v7/build_linux_64bit.zip)
-- [Mac](https://github.com/christiandunkel/tensquared/releases/download/v7/build_mac.zip)
+- [Windows (32 bit)](https://github.com/christiandunkel/tensquared/releases/download/v7.1/build_windows_32bit.zip)
+- [Linux (64 bit)](https://github.com/christiandunkel/tensquared/releases/download/v7.1/build_linux_64bit.zip)
+- [Mac](https://github.com/christiandunkel/tensquared/releases/download/v7.1/build_mac.zip)
 
 ## What is Bauhaus?