relax SVN archive

Added the select and deselect user function menus to the spin viewer window.

All of the select and deselect user function pages are now initialised.

Created all of the deselect user function pages by copying the select module.

Created all the select user function pages.

The structure.load_spins user function page spin_id_element() call defaults to '@N'.

The default spin_id_element() value is now set to nothing rather than '@N'.

The text and default value can now be set in the wizard page spin_id_element() method.

Fix for the extraction of the user function page title from the docstring.

The title was not being stored as a class variable!

Added a table-less version of the boolean doc string.

The height of the description text in the wizard page can now be overwritten.