Convert heapq.py to a C implementation.
diff --git a/setup.py b/setup.py
index c444a61..aef22ec 100644
--- a/setup.py
+++ b/setup.py
@@ -322,6 +322,8 @@
         exts.append( Extension("_random", ["_randommodule.c"]) )
         # fast iterator tools implemented in C
         exts.append( Extension("itertools", ["itertoolsmodule.c"]) )
+        # heapq
+        exts.append( Extension("heapq", ["heapqmodule.c"]) )
         # operator.add() and similar goodies
         exts.append( Extension('operator', ['operator.c']) )
         # Python C API test module