2.0.1

:release-date: 2021-01-19 07:30 p.m. UTC+6:00
:release-by: Asif Saif Uddin

• Fix backward compatibility in DatabaseBackend._store_result function
• Fix 'args' and 'kwargs' propiertes of AsyncResult for DatabaseBackend
• Fix task_args/task_kwargs in task_protocol=1
• Test refactors
• Add task_args and task_kwargs to admins searchable fields (#182)