Pushing zimmerle up; adding GH handle for Marc Stern

Author: dune73

CONTRIBUTORS.md

@@ -14,6 +14,7 @@
 - [Victor Hora](https://github.com/victorhora)
 - [Federico G. Schwindt](https://github.com/fgsch)
 - [Manuel Spartan](https://github.com/spartantri)
+- [Felipe Zimmerle](https://github.com/zimmerle)
 - [Felipe Zipitría](https://github.com/fzipi)
 
 ## Contributors:
@@ -36,12 +37,11 @@
 - [Brian Rectanus](https://github.com/b1v1r)
 - Ofer Shezaf
 - Breno Silva
-- Marc Stern
+- [Marc Stern](https://github.com/marcstern)
 - [Ben Williams](https://github.com/benwilliams)
 - [Greg Wroblewski](https://github.com/gwroblew)
 - [ygrek](https://github.com/ygrek)
 - [Zino](https://github.com/zinoe)
-- [Felipe Zimmerle](https://github.com/zimmerle)
 - Josh Zlatin
 - [Zou Guangxian](https://github.com/zouguangxian)
 - [4ft35t](https://github.com/4ft35t)