LICENSE.txt in blind_index-2.2.0 vs LICENSE.txt in blind_index-2.3.0

@@ -1,5 +1,5 @@
-Copyright (c) 2017-2020 Andrew Kane
+Copyright (c) 2017-2021 Andrew Kane
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell