ssiegel signed cla (#85)

contributors/ssiegel.md

@@ -0,0 +1,11 @@
+2017-04-17
+
+I hereby agree to the terms of the Contributors License
+
+I furthermore declare that I am authorized and able to make this
+agreement and sign this declaration.
+
+Signed,
+
+Stefan Siegel
+https://github.com/ssiegel