Added the #layout command which will load an existing layout with the given file name, or save the current layout to the given file name. If a file name is not provided, it will use the file name of the "current" layout.
You can also toggle the layout settings with #layout settings.
#layout default
#layout default.cfg
#layout load
#layout load default
#layout load default.cfg
#layout reload
#layout reload default
#layout reload default.cfg
#layout save
#layout save default
#layout save default.cfg
#layout settings