Bump the copyright date to the present for files which received
significant modification since the beginning of 2018.
-# Copyright (c) 2004-2017 mudpy authors. Permission to use, copy,
+# Copyright (c) 2004-2018 mudpy authors. Permission to use, copy,
# modify, and distribute this software is granted under terms
# provided in the LICENSE file distributed with this software.
---
-_copy: Copyright (c) 2004-2017 mudpy authors. Permission to use, copy,
+_copy: Copyright (c) 2004-2018 mudpy authors. Permission to use, copy,
modify, and distribute this software is granted under terms
provided in the LICENSE file distributed with this software.
---
-_copy: Copyright (c) 2004-2017 mudpy authors. Permission to use, copy,
+_copy: Copyright (c) 2004-2018 mudpy authors. Permission to use, copy,
modify, and distribute this software is granted under terms
provided in the LICENSE file distributed with this software.