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

  Now showing hours

  Fixed issue with tickets per SLA

  Added debug

  Fixed multiple calculation of tickets per SLA

  Added debug <h1>

  Added a filter by ticket type

  - Excluding customer approval from advancing
  - Inluding "rejected" as an "open" state (where the
    clock continues to run)