Use HTTPS in URL

Author: Skalman

README.md

@@ -11,6 +11,6 @@ Do you want to help improve this tool? It's on [Github](https://github.com/Skalm
 License
 -------
 
-The wrapper was created by [Dan Wolff](http://danwolff.se/). The wrapper is in the public domain. Attribution not required but appreciated.
+The wrapper was created by [Dan Wolff](https://danwolff.se/). The wrapper is in the public domain. Attribution not required but appreciated.
 
 UglifyJS is released under the BSD license, copyright Mihai Bazon. For more information, check out the project's [Github page](https://github.com/mishoo/UglifyJS2/).