Add 1994 Coroutine module by Tim Peters
diff --git a/Demo/threads/README b/Demo/threads/README
index c6c4a0b..fe27818 100644
--- a/Demo/threads/README
+++ b/Demo/threads/README
@@ -8,3 +8,7 @@
sync.py Condition variables primitives by Tim Peters.
telnet.py Version of ../sockets/telnet.py using threads.
wpi.py Version of ../scripts/pi.py using threads (needs stdwin).
+
+Coroutine.py Coroutines using threads, by Tim Peters (22 May 94)
+fcmp.py Example of above, by Tim
+squasher.py Another example of above, also by Tim