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)

  Fixed formatting issue

  Added level_of_detail, number formatting and medians per SLA

  Fixed sweeper calculation

  Fixed debugging option to run the sweeper for a single ticket

  Eliminating groups without resolution time

  Fixed issue with sweeper

  Fixing sweeper

  Fixing sweeper

  Fixed issue running in the background

  Fixed error of the sweeper when running in the background

  Fixing issue with running in background

  Improved error handling