Update copyright notice.

Updated the copyright notice.

doc/bufexplorer.txt

@@ -1,7 +1,7 @@
-*bufexplorer.txt*              Buffer Explorer       Last Change: 27 Jan 2022
+*bufexplorer.txt*              Buffer Explorer       Last Change: 02 May 2022
 
 Buffer Explorer                                *buffer-explorer* *bufexplorer*
-                                Version 7.4.23
+                                Version 7.4.24
 
 Plugin for easily exploring (or browsing) Vim|:buffers|.
 
@@ -785,7 +785,7 @@ won't list names.
 ===============================================================================
 COPYRIGHT                                               *bufexplorer-copyright*
 
-Copyright (c) 2001-2017, Jeff Lanzarotta
+Copyright (c) 2001-2022, Jeff Lanzarotta
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without

plugin/bufexplorer.vim

@@ -36,7 +36,7 @@
 " Name Of File: bufexplorer.vim
 "  Description: Buffer Explorer Vim Plugin
 "   Maintainer: Jeff Lanzarotta (my name at gmail dot com)
-" Last Changed: Thursday, 27 January 2022
+" Last Changed: Thursday, 02 May 2022
 "      Version: See g:bufexplorer_version for version number.
 "        Usage: This file should reside in the plugin directory and be
 "               automatically sourced.
@@ -74,7 +74,7 @@ endif
 "1}}}
 
 " Version number
-let g:bufexplorer_version = "7.4.23"
+let g:bufexplorer_version = "7.4.24"
 
 " Plugin Code {{{1
 " Check for Vim version {{{2