Added sections for pyclbr and tokenize.

Doc/lib/lib.tex

@@ -86,6 +86,8 @@ add new extensions to Python and how to embed it in other applications.
 \input{libsymbol}
 \input{libtoken}
 \input{libkeyword}
+\input{libtokenize}
+\input{libpyclbr}
 \input{libcode}
 \input{libpprint}
 \input{librepr}