fix ordinal_num for French numbers ending with 1 (#236)

num2words/lang_FR.py

@@ -89,7 +89,7 @@ class Num2Word_FR(Num2Word_EU):
     def to_ordinal_num(self, value):
         self.verify_ordinal(value)
         out = str(value)
-        out += {"1": "er"}.get(out[-1], "me")
+        out += "er" if value == 1 else "me"
         return out
 
     def to_currency(self, val, longval=True, old=False):

tests/test_fr.py

@@ -107,10 +107,13 @@ TEST_CASES_ORDINAL = (
 TEST_CASES_ORDINAL_NUM = (
     (1, '1er'),
     (8, '8me'),
+    (11, '11me'),
     (12, '12me'),
     (14, '14me'),
+    (21, '21me'),
     (28, '28me'),
     (100, '100me'),
+    (101, '101me'),
     (1000, '1000me'),
     (1000000, '1000000me')
 )