Update copyright

README

@@ -3,7 +3,7 @@ More information is available on the project web site: https://typica.us/
 
 Typica is free software released under the MIT license as follows:
 
-Copyright 2007-2017 Neal Evan Wilson
+Copyright 2007-2018 Neal Evan Wilson
 
 Permission is hereby granteed, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal