[Bug #1514540] Instead of putting the standard types in a section, put them in a chapter of their own.  This means string methods will now show up in the ToC.  (Should the types come before or after the functions+exceptions+constants chapter?  I've put them after, for now.)
diff --git a/Doc/lib/lib.tex b/Doc/lib/lib.tex
index c57e4a5..837c759 100644
--- a/Doc/lib/lib.tex
+++ b/Doc/lib/lib.tex
@@ -71,12 +71,12 @@
 % BUILT-INs
 % =============
 
-\input{libobjs}                 % Built-in Types, Exceptions and Functions
+\input{libobjs}                 % Built-in Exceptions and Functions
 \input{libfuncs}
-\input{libstdtypes}
 \input{libexcs}
 \input{libconsts}
 
+\input{libstdtypes}             % Built-in types
 
 
 % =============