Implement persistence for CooccurrenceCount class.
Implemented the persistence methods for the CooccurrenceCount class. Implemented the corresponding unittests. Corrected some code so as to respect agreed-upon formatting rules.
Resolves: #20
[A venir] Mise en place de quotas sur nos instances GitLab. Plus d'information sur : https://doc-si.inria.fr/pages/viewpage.action?pageId=129728565
[Coming soon] Quotas installation on our GitLab instances. More information: https://doc-si.inria.fr/pages/viewpage.action?pageId=129728565
Implemented the persistence methods for the CooccurrenceCount class. Implemented the corresponding unittests. Corrected some code so as to respect agreed-upon formatting rules.
Resolves: #20