upping the version to 5.0.1 to fix release vs. source problem
diff --git a/tinyxml2.h b/tinyxml2.h
index a9faacd..e6a0ced 100755
--- a/tinyxml2.h
+++ b/tinyxml2.h
@@ -98,7 +98,7 @@
 /* Versioning, past 1.0.14:

 	http://semver.org/

 */

-static const int TIXML2_MAJOR_VERSION = 4;

+static const int TIXML2_MAJOR_VERSION = 5;

 static const int TIXML2_MINOR_VERSION = 0;

 static const int TIXML2_PATCH_VERSION = 1;