Added doc for the "module" attribute on the class descriptor objects;

omission repoorted by Glyn Webster <glyn@ninz.org.nz>.

Doc/lib/libpyclbr.tex

 \section{\module{pyclbr} ---
-         Python class browser information}
+         Python class browser support}
 
 \declaremodule{standard}{pyclbr}
 \modulesynopsis{Supports information extraction for a Python class
-browser.}
+                browser.}
 \sectionauthor{Fred L. Drake, Jr.}{fdrake@acm.org}
 
 
@@ -32,6 +32,11 @@ The class descriptor objects used as values in the dictionary returned
 by \function{readmodule()} provide the following data members:
 
 
+\begin{memberdesc}[class descriptor]{module}
+  The name of the module defining the class described by the class
+  descriptor.
+\end{memberdesc}
+
 \begin{memberdesc}[class descriptor]{name}
   The name of the class.
 \end{memberdesc}