LICENSE.txt in chartkick-2.3.0 vs LICENSE.txt in chartkick-2.3.1

- old
+ new

@@ -1,5 +1,5 @@
-Copyright (c) 2013 Andrew Kane
+Copyright (c) 2013-2018 Andrew Kane
 
 MIT License
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the