* Add support for CHECK constraint in SQLite producer (GH#57)
* Fix forgotten quoting in the MySQL DROP TABLE diff producer (GH#50)
* Fix Pg grammar parsing of UUID, time, timetz columns (RT#100196, GH#52)
+ * Add support for USING and WHERE on indexes in PostgreSQL producer
+ and parser (RT#63814, GH#52)
* Improve add_trigger consistency between producers (GH#48)
* Declare dependencies in deterministic order (RT#102859)
* Multiple speedups of naive internal debugging mechanism (GH#54)