Adding the missing method to serialize (!20) · Requêtes de fusion · La Quadrature du Net / Revue De Presse / Revue de Press

okhin a demandé de fusionner 11-api-rest-push-pull-contenu vers rp2 mar. 21, 2019

Tags can now be converted in data type correctly. Splitted on comma and stripped of whitespaces.

Related to #11

Adding the missing method to serialize