records: no JSON version cached check fix

Signed-off-by: Esteban J. G. Gabancho <esteban.gabancho@gmail.com>
pidstore: new pid provider for record ids

Signed-off-by: Esteban J. G. Gabancho <esteban.gabancho@gmail.com>
uploader: first release insert mode
uploader: master format save to bibfmt

* PEP8 fixes
Uploader: enhance workflows with pre and post tasks
Docs: uploader initial docs added
uploader: documents module pluged

* Update celery version as is needed to solve `chord` and `starmap`
  problems.

Signed-off-by: Esteban J. G. Gabancho <esteban.gabancho@gmail.com>
uploader: add model to documents
uploader: enhance field definitions
jsonalchemy: dirty fix for default values FIXME

* FIXME
records: fix typo in the API

Signed-off-by: Esteban J. G. Gabancho <esteban.gabancho@gmail.com>