Return an error code from regRegLiteral which caused readReg to crash when an error came back.
Fix a recently introduced bug with not disabling the auto streaming from fields properly.
Rearange menus.

Item name in top left.
Item value in bottom left.  If not value, use a secondary name.
Menu name in bottom right.
Update comprehensive example to better match new structure.
Remove testing lines.
Highlight the lower line display for menus in the example.
Make the real fit the display.
LDoc fix.
More field name squeezing to fit the top left element.
Add register permissions query routine.
Add read only items to the menu system.  Display FIXD in the top right for read only fields.

Remove the auto item in favour of register.

Add permissions detetion code to registers to force read only mode if the register is immutable.
Pass codes display as +'s not their true contents.

Remove the auto field from the demo.  Add a readonly tag example.