List view

• Group improvement

  Improve the group parts routines, may be necessary to re-write `group_parts` function.

  No due date

  •6/8 issues closed
  75% complete2 open6 closed

• 1.2

  Improve de API change and provide a solution for #17

  No due date

  •7/12 issues closed
  58% complete5 open7 closed