Merge pull request procrastinate-org#471 from aleksandr-shtaub/argume… …nts_for_periodic_tasks_436

Merge pull request procrastinate-org#428 from procrastinate-org/bluep… …rints-2 Second pass on blueprints

Merge pull request procrastinate-org#453 from procrastinate-org/sqlal… …chemy-connector

Merge pull request procrastinate-org#427 from peopledoc/fix-psycopg-p… …ercent-query-409 Psycopg2: % in queries need to be escaped

Merge pull request procrastinate-org#392 from peopledoc/additional_co… …ntext

Merge pull request procrastinate-org#385 from peopledoc/ele_384 Do not raise in the BaseConnector destructor

Merge pull request procrastinate-org#379 from BracketJohn/add_inmemor… …y_queueing_lock_todo_check add todo check for queueing lock, add test for todo check

Merge pull request procrastinate-org#376 from BracketJohn/add_async_a… …pply_schema

Merge pull request procrastinate-org#350 from peopledoc/re-rename-mig… …rations Rename migration: wrong index number

Merge pull request procrastinate-org#329 from peopledoc/ele_defer-per… …iodic-job Fix the procrastinate_defer_periodic_job SQL function