Document the second round of ConfigParser changes.

Doc/lib/libcfgparser.tex

@@ -160,8 +160,21 @@ If the given section exists, set the given option to the specified value;
 otherwise raise \exception{NoSectionError}. (New in 1.6)
 \end{methoddesc}
 
-\begin{methoddesc}{write}{fileobect}
+\begin{methoddesc}{write}{fileobject}
 Write a representation of the configuration to the specified file
 object.  This representation can be parsed by a future \method{read()}
 call. (New in 1.6)
 \end{methoddesc}
+
+\begin{methoddesc}{remove_option}{section, option}
+Remove the specified \var{option} from the specified \var{section}.
+If the section does not exist, raise \exception{NoSectionError}. 
+If the option existed to be removed, return 1; otherwise return 0.
+(New in 1.6)
+\end{methoddesc}
+
+\begin{methoddesc}{remove_section}{section}
+Remove the specified \var{section} from the configuration.
+If the section in fact existed, return 1.  Otherwise return 0.
+\end{methoddesc}
+