Add Guido Tack as contributor

Author: auroranil

README.md

@@ -80,7 +80,7 @@ accepted, we'll add your name to our license.
 
 ### The MIT License (MIT)
 
-Copyright © 2016 Jason Nguyen, Saurabh Joshi, Eric Jiang, Erfan Norozi, Josh Nelsson-Smith
+Copyright © 2017 Jason Nguyen, Saurabh Joshi, Eric Jiang, Erfan Norozi, Josh Nelsson-Smith, Guido Tack
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: