- replaces ad_export_vars with export_vars

  Fixed issue with non-integer epochs

  Fixed issues with traffic light status sweeper

  Now setting traffic light status of tickets depending on sla_parameter
  values and configurable expressions

  Added parameters to control the sweepers

  Updated to V4.0.3.4.0

  Added audit hooks

  Updated to OpenACS 5.7

  Fixed merge conflict

   Wrapped ns_log Notice in check for debug_p to avoid cpu overload

  Fixed code to allow more then one group with time exception

  Limit of queue's working time now working

  Added code to reduce hours for a specific group

  Beautified the code, no functional changes

  Added intervals, but not showing them on the screen

  First report version