Minor change to default lru size.  Set default to a power of two.
diff --git a/Lib/functools.py b/Lib/functools.py
index 8ef1732..9f024f1 100644
--- a/Lib/functools.py
+++ b/Lib/functools.py
@@ -166,7 +166,7 @@
     def __hash__(self):
         return self.hashvalue
 
-def lru_cache(maxsize=100, typed=False):
+def lru_cache(maxsize=128, typed=False):
     """Least-recently-used cache decorator.
 
     If *maxsize* is set to None, the LRU features are disabled and the cache