Update README.md

Author: miccol

README.md

@@ -121,7 +121,7 @@ LICENSE
 -------
 The MIT License (MIT)
 
-Copyright (c) 2014-2017 Michele Colledanchise
+Copyright (c) 2014-2018 Michele Colledanchise
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal