Promote built-in functions to come before built-in types.

Doc/lib/lib.tex

@@ -67,9 +67,9 @@ and how to embed it in other applications.
 \input{libintro}                % Introduction
 
 \input{libobjs}                 % Built-in Types, Exceptions and Functions
+\input{libfuncs}
 \input{libstdtypes}
 \input{libexcs}
-\input{libfuncs}
 
 \input{libpython}               % Python Runtime Services
 \input{libsys}

Doc/lib/libobjs.tex

-\chapter{Built-in Types, Exceptions and Functions}
-\nodename{Built-in Objects}
-\label{builtin}
+\chapter{Built-in Functions, Types, and Exceptions \label{builtin}}
 
 Names for built-in exceptions and functions are found in a separate
 symbol table.  This table is searched last when the interpreter looks