Make sure methods of ZipFile objects are in alphabetical order; the logical

groupings are still maintained.  Based on a comment by Steve Holden
<sholden@holdenweb.com>.

Doc/lib/libzipfile.tex

@@ -111,16 +111,16 @@ cat myzip.zip >> python.exe
   member \var{name}.
 \end{methoddesc}
 
-\begin{methoddesc}{namelist}{}
-  Return a list of archive members by name.
-\end{methoddesc}
-
 \begin{methoddesc}{infolist}{}
   Return a list containing a \class{ZipInfo} object for each member of
   the archive.  The objects are in the same order as their entries in
   the actual ZIP file on disk if an existing archive was opened.
 \end{methoddesc}
 
+\begin{methoddesc}{namelist}{}
+  Return a list of archive members by name.
+\end{methoddesc}
+
 \begin{methoddesc}{printdir}{}
   Print a table of contents for the archive to \code{sys.stdout}.
 \end{methoddesc}