Add example to create_label

sigmavirus24 · sigmavirus24 · commit 78d1ee1e9712 · 2013-03-26T18:45:01.000-04:00
diff --git a/github3/repos/repo.py b/github3/repos/repo.py
@@ -430,7 +430,7 @@ def create_label(self, name, color):
 
         :param str name: (required), name to give to the label
         :param str color: (required), value of the color to assign to the
-            label
+            label, e.g., '#fafafa' or 'fafafa' (the latter is what is sent)
         :returns: :class:`Label <github3.issues.Label>` if successful, else
             None
         """
