Update year.

diceware.1

 .\" Man page generated from reStructuredText.
 .
-.TH DICEWARE 1 "December 2017" "diceware 0.9.4.dev0" "User Commands"
+.TH DICEWARE 1 "January 2018" "diceware 0.9.4.dev0" "User Commands"
 .SH NAME
 diceware \- create passphrases
 .

diceware/__init__.py

 #  diceware -- passphrases to remember
-#  Copyright (C) 2015-2017  Uli Fouquet
+#  Copyright (C) 2015-2018  Uli Fouquet
 #
 #  This program is free software: you can redistribute it and/or modify
 #  it under the terms of the GNU General Public License as published by
@@ -53,7 +53,7 @@ def print_version():
     """Output current version and other infos.
     """
     print("diceware %s" % __version__)
-    print("Copyright (C) 2015-2017 Uli Fouquet")
+    print("Copyright (C) 2015-2018 Uli Fouquet")
     print("diceware is based on suggestions of Arnold G. Reinhold.")
     print("See http://diceware.com for details.")
     print("'Diceware' is a trademark of Arnold G. Reinhold.")

docs/manpage.rst

@@ -3,7 +3,7 @@
 :subtitle: create passphrases
 :manual_section: 1
 :manual_group: User Commands
-:date: December 2017
+:date: January 2018
 :version: diceware 0.9.4.dev0
 :author: Written by Uli Fouquet and contributors