Convert heapq.py to a C implementation.
diff --git a/Misc/NEWS b/Misc/NEWS
index 838cfc8..16fc119 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -104,6 +104,8 @@
 Library
 -------
 
+- heapq.py has been converted to C for improved performance
+
 - traceback.format_exc has been added (similar to print_exc but it returns
   a string).