BibClassify: API string support

* Add new API function bibclassify_exhaustive_call_text to run
  BibClassify on a string.

* Performs module-wide PEP8 and PEP257 updates.

Signed-off-by: Guillaume Lastecoueres <PX9e@gmx.fr>
formatter: format record with no record ID

* Adds back support of the case there BibFormatObject also
  can support to work with records without any record ID.

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
workflows: Holding Pen change

* Adds new bibclassify workflow task for faster execution, taking
  only parts of the document.

* Now Saves the BibWorkflowObject after removing the action.

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
workflows: error message improvement

* Properly sets error messages upon unexpected errors during
  workflow execution.

* Integrates the error messages into the Holding Pen detailed
  view of an object as a panel.

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
workflows: detailed record display

* Changes the wells to panels in the record detailed display.

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
workflows: task results integration

* Adds integration of tasks results into the object model and
  detailed display.

* Tags filtering now keeps the tags when user updates the page by
  using session.

Co-authored-by: Guillaume Lastecoueres <PX9e@gmx.fr>
Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
workflows: changes tags placeholder text

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
workflows: workflows representation genericity

* Adds WorkflowBase class that define the basic function
  a workflow needs to render correctly its processed
  objects.

* Upgrades HoldingPen to print correctly the changes.

* Adds the functions needed to the basic workflows.

* Adds task results to workflows management functions
  for updating progress bar in HoldingPen.

* Moves brief formatting to the workflow instead of
  the BibWorkflowObjects to allow everybody to choose
  their way to format them.

* Updates javascript to fix bugs.

Signed-off-by: Guillaume Lastecoueres <guillaume.lastecoueres@cern.ch>
workflows: update quick_match_record

* Refactors the quick_match_record a bit.

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
workflows: new buttons for pages

* Copies the datatable page switch to the bottom and the
  top.

Signed-off-by: Georgios Papoutsakis <georgios.papoutsakis@cern.ch>
workflows: tags fix

* Fixes a bug of refreshing when a tag was removed.

Signed-off-by: Georgios Papoutsakis <georgios.papoutsakis@cern.ch>