setting the version to 2.2.0
diff --git a/tinyxml2.h b/tinyxml2.h
index 608e41f..1fdc928 100755
--- a/tinyxml2.h
+++ b/tinyxml2.h
@@ -122,9 +122,9 @@
 /* Versioning, past 1.0.14:

 	http://semver.org/

 */

-static const int TIXML2_MAJOR_VERSION = 2;

-static const int TIXML2_MINOR_VERSION = 1;

-static const int TIXML2_PATCH_VERSION = 0;

+static const int TIXML2_MAJOR_VERSION = 2;
+static const int TIXML2_MINOR_VERSION = 2;
+static const int TIXML2_PATCH_VERSION = 0;
 

 namespace tinyxml2

 {