asyncio: remove references to the Tulip project, rename Tulip to asyncio.
Patch written by Vajrasky Kok.
diff --git a/Doc/whatsnew/3.4.rst b/Doc/whatsnew/3.4.rst
index 5d360c4..8fe906b 100644
--- a/Doc/whatsnew/3.4.rst
+++ b/Doc/whatsnew/3.4.rst
@@ -1068,3 +1068,8 @@
working directory will also now have an absolute path, including when using
``-m`` with the interpreter (this does not influence when the path to a file
is specified on the command-line).
+
+* (C API) :c:func:`PyThread_set_key_value` now always set the value. In Python
+ 3.3, the function did nothing if the key already exists (if the current
+ value is a non-NULL pointer).
+