LICENSE in ziptz-2.1.6 vs LICENSE in ziptz-2.1.7

@@ -1,5 +1,5 @@
-Copyright (c) 2015-2019 Keith Morrison <[e-mail]>
+Copyright (c) 2015-2020 Keith Morrison <[e-mail]>
 
 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,