---- Changes since 1.390 ----
Converted all code to use the new Webmin user interface library.
---- Changes since 1.400 ----
Multiple module lines in menu.lst are now preserved and editable. This prevents breakage sometimes seen on kernels using Xen.
---- Changes since 1.520 ----
Added arrows to move boot options up or down in the list of those available.
Added locking and logging, so that changes can be viewed in the Webmin Actions Log module.