version 2.5.17 in change log

Author: lexxmark

README.md

@@ -13,11 +13,11 @@ Go to http://sourceforge.net/projects/winflexbison/files/ or https://github.com/
 See the [changelog.md](changelog.md) file.
 
 ## Build requirements
-  * Visual Studio 2013 or newer
+  * Visual Studio 2015 or newer
   * optional: CMake (when building with CMake)
   * **NOTE**:
     * 2.4.x versions include bison version 2.7
-    * 2.5.x versions include bison version 3.0.x
+    * 2.5.x versions include bison version 3.x.x
 
 ## HowTo
 https://sourceforge.net/p/winflexbison/wiki/Visual%20Studio%20custom%20build%20rules/

changelog.md

@@ -4,6 +4,9 @@
   * 2.4.x versions include bison version 2.7
   * 2.5.x versions include bison version 3.x
 
+### version 2.5.17
+  * upgrade win_bison to version 3.3.1
+
 ### version 2.5.16
   * upgrade win_bison to version 3.1
   * write output flex/bison files in binary mode "wb" that means use '\n' EOL not '\r\n'