* Drop long-unused Table.entity_name column

* Add NOT NULL constraint to Card.database_id

* Test fix 

* Test fix 

* Fix migration

* Add note about H2 shell to deps.edn

* Add new SQL migration to attempt to set database_id when unset

* Remove data migration that is now done in Liquibase land

* Oops, '$.database', not '$.database_id'

* Parse ints as signed rather than unsigned just to be safe (they *might* be -1337 if they're really broken)

* Don't run for H2

* Update comment

* Fix migration indentation

* Clean namespace

* Use new migration number.

* Use the new migration numbers

* Adopt new migration numbering scheme

* Fix comments

* Fix MySQL + MariaDB insanity

* Fix ID range validation

* Actually 382 is the last legacy ID

* Improved validation and tests

* Adopt the new-new migration ID format.

* Test fixes 

* Fix merge

* Simplify precondition