Make copyright Unicode.

Author: cjerdonek

docs/conf.py

@@ -45,9 +45,9 @@
 
 # General information about the project.
 project = 'argparse2'
-copyright = ('2014, Chris Jerdonek.  All Rights Reserved.  '
-             '© Copyright 2001-2014, Python Software Foundation.  '
-             'All Rights Reserved')
+copyright = (u'2014, Chris Jerdonek.  All Rights Reserved.  '
+             u'© Copyright 2001-2014, Python Software Foundation.  '
+             u'All Rights Reserved')
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the