Changed
* Refactored internal Python API
* Change record_json_schema_validation_error_* table to record_error_*
* Change how record errors shown in static website so it looks more general
Removed
* Remove undocumented unused feature, git_submodule_directory
* Dropped support for Python 3.6 as that isn't supported any more.
Added
* New field type, "date"
* New field type, "datetime"
* New field type, "boolean"
* Static site:
* Show size of SQLite database
* Errors page shows all errors, site and record