Library documentation for the 'test' package.  Still needs to be checked by Fred.
diff --git a/Doc/lib/lib.tex b/Doc/lib/lib.tex
index 3843d46..928371c 100644
--- a/Doc/lib/lib.tex
+++ b/Doc/lib/lib.tex
@@ -118,6 +118,7 @@
 \input{libpydoc}
 \input{libdoctest}
 \input{libunittest}
+\input{libtest}
 \input{libmath}
 \input{libcmath}
 \input{librandom}