License year bump

Author: dtcooper

LICENSE

@@ -1,7 +1,7 @@
 MIT License
 
-Copyright (c) 2011-2017, David Cooper <david@dtcooper.com>
-Copyright (c) 2017, Carey Metcalfe <carey@cmetcalfe.ca>
+Copyright (c) 2011-2018, David Cooper <david@dtcooper.com>
+Copyright (c) 2017-2018, Carey Metcalfe <carey@cmetcalfe.ca>
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal