improve setversion script. set version 2.0.1
diff --git a/tinyxml2.h b/tinyxml2.h
index 3df3e8d..2ecd6d8 100755
--- a/tinyxml2.h
+++ b/tinyxml2.h
@@ -121,7 +121,7 @@
 */

 static const int TIXML2_MAJOR_VERSION = 2;

 static const int TIXML2_MINOR_VERSION = 0;

-static const int TIXML2_PATCH_VERSION = 0;

+static const int TIXML2_PATCH_VERSION = 1;

 

 namespace tinyxml2

 {