LICENSE.txt in gphys-1.5.5 vs LICENSE.txt in gphys-1.5.6

@@ -1,8 +1,8 @@
 GPhys is copyrighted free software by Takeshi Horinouchi and
 GFD Dennou Club (http://www.gfd-dennou.org/).
 
-Copyright 2003-2018 (C) Takeshi Horinouchi and GFD Dennou Club
+Copyright 2003-2019 (C) Takeshi Horinouchi and GFD Dennou Club
 (http://www.gfd-dennou.org/) All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are
 met: