add Fool Me Forever as alternative name of EasyGo in its docstring

Nikoleta-v3 · marcharper · commit c669a93c1311 · 2019-11-14T08:12:29.000-08:00
diff --git a/axelrod/strategies/grudger.py b/axelrod/strategies/grudger.py
@@ -226,6 +226,7 @@ class EasyGo(Player):
 
     - Easy Go: [Prison1998]_
     - Reverse Grudger (RGRIM): [Li2011]_
+    - Fool Me Forever: [Harper2017]_
     """
 
     name = "EasyGo"
