Validates dynfields to avoid cryptic err mess and
   partly created objects due to errs that occur while
   storing dynfields

   Dynfield would show up in a form

  Updated to V4.0.3.4.0

  Added an exception fix for im_timesheet_task
  that doesn't yet have its own task_type_id in the DB.

  Added left_menu to DynField master

  Removed any references to im_dynfield_attribute__new_only_dynfield
  and replaced by im_dynfield_attribute__new.

  Removed any ocurrence of im_dynfield_attribute__new_only_dynfield,
  because the im_dynfield_attribute__new never includes an "alter
  table" statement

  Updated to OpenACS 5.7

  Added im_risk to the DynField objects

  Added improved configuration links to point admins
  to the configuration page for design pages.

  - Fixed storing of date fields with time
  - Not overwriting fields in "display" mode anymore

  Fixed DynField Widget Gallery

  Added a number of missing widgets to attribute definitions

  Added comments to the dynfield dereferencing functions

  Added additional quoting

  Added a feature to allow filtering by most ticket fields

  in "Filter Mode" (advanced_filter_p = 1) the
  append_attribute_to_form now requires write
  permissions, in order to avoid showing fields
  that the user can't user (because of no "write"
  permission....)

  Fixed issue that caused the dynfield form to disappear
  when trying to create new DynFields