libqueue.tex: Documentation for the Queue.py module.

Makefile: Add dependency on libqueue.tex

lib.tex: Place the libqueue.tex documentation just after libthread.tex
since Queue depends on thread support in Python.
diff --git a/Doc/lib.tex b/Doc/lib.tex
index d6c92e4..aa8c31e 100644
--- a/Doc/lib.tex
+++ b/Doc/lib.tex
@@ -127,6 +127,7 @@
 \input{libsocket}
 \input{libselect}
 \input{libthread}
+\input{libqueue}
 \input{libanydbm}
 \input{libwhichdb}
 \input{libzlib}