Updated copyright statements

LICENSE

@@ -15,3 +15,5 @@ freely, subject to the following restrictions:
 3. This notice may not be removed or altered from any source distribution.
 
 Copyright (c) 2008 Greg Hewgill http://hewgill.com
+See individual files for information about modification to these files and
+additional copyright information.

dkim/__init__.py

@@ -24,7 +24,7 @@
 # Contact: Brandon Long <[email protected]>
 #
 # This has been modified from the original software.
-# Copyright (c) 2016, 2017 Scott Kitterman <[email protected]>
+# Copyright (c) 2016, 2017, 2018 Scott Kitterman <[email protected]>
 #
 # This has been modified from the original software.
 # Copyright (c) 2017 Valimail Inc

dkim/crypto.py

@@ -18,6 +18,7 @@
 #
 # This has been modified from the original software.
 # Copyright (c) 2011 William Grant <[email protected]>
+# Copyright (c) 2018 Scott Kitterman <[email protected]>
 
 __all__ = [
     'DigestTooLargeError',

dkim/tests/__init__.py

@@ -19,6 +19,7 @@
 # This has been modified from the original software.
 # Copyright (c) 2016 Google, Inc.
 # Contact: Brandon Long <[email protected]>
+# Copyright (c) 2018 Scott Kitterman <[email protected]>
 
 import unittest
 

dkim/tests/test_dkim_ed25519.py

@@ -15,7 +15,7 @@
 # 3. This notice may not be removed or altered from any source distribution.
 #
 # Copyright (c) 2011 William Grant <[email protected]>
-# Copyright (c) 2017 Scott Kitterman <[email protected]>
+# Copyright (c) 2018 Scott Kitterman <[email protected]>
 
 import email
 import os.path

dknewkey.py

@@ -18,7 +18,7 @@
 # Copyright (c) 2016 Google, Inc.
 # Contact: Brandon Long <[email protected]>
 # Modified by Scott Kitterman <[email protected]>
-# Copyright (c) 2017 Scott Kitterman
+# Copyright (c) 2017,2018 Scott Kitterman
 
 """Generates new domainkeys pairs.