Update README.md

Author: JeffreySarnoff

README.md

@@ -2,7 +2,7 @@
 ### Some NamedTuple utilities
 
 
-#### Copyright © 2015-2022 by Jeffrey Sarnoff. This work is released under The MIT License.
+#### Copyright © 2015-2023 by Jeffrey Sarnoff. This work is released under The MIT License.
 
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