relax SVN archive

The arg_type argument for the auto-generated user functions is now accepted.

This will be used to allow special UI elements to be used for the argument, for example a file
selection dialog.

Integers and string list of lists are now accepted by the auto-generated GUI user functions.

Expanded the wizard page element_int() method to accept all the args of element_string().

All these args will be handled properly by the Integer class as this derives from Base_value.

The list_titles arg is now accepted for the auto-generated user functions.

This is for a list of lists, and are the titles for the lists.

Missing import.

The auto-generated Uf_page.add_contents() method now raises a RelaxError if the Python type is unknown.

The menu_text variable now defaults to '' so that the GUI does not die if this is not set.

Removed the wiz_desc args from the pipe user functions.

Eliminated the wiz_desc argument in the auto-generated user functions.

Now the desc_short arg will be used instead for the GUI user function elements.

The desc_short rather than wiz_desc arg is now used for the GUI elements.

This is for the auto-generated user functions.