Cleaning all the remaining unchanged date and ver#

Jacobluke- · Jacobluke- · commit 1f428f6f8312 · 2023-03-16T15:39:55.000+08:00
diff --git a/LICENSE b/LICENSE
@@ -1,6 +1,6 @@
 The Clear BSD License
 
-Copyright (c) 2016-2020 Joses W. Ho
+Copyright (c) 2016-2023 Joses W. Ho
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/docs/source/about.rst b/docs/source/about.rst
@@ -36,7 +36,7 @@ License
 
 The DABEST package in Python is licenced under the `BSD 3-clause Clear License <https://choosealicense.com/licenses/bsd-3-clause-clear/>`_.
 
-Copyright (c) 2016-2020, Joses W. Ho
+Copyright (c) 2016-2023, Joses W. Ho
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
