Sequel 4.0.0 Released

Sequel 4.0.0 was released today! Full release notes are available, but here are some highlights:

• Deprecated behavior has been removed.
• A pg_array_associations plugin has been added for associations using foreign keys in PostgreSQL arrays.
• A pg_json_ops extension has been added to support the JSON operators and functions in PostgreSQL 9.3+.
• Dataset#from now supports virtual row blocks.
• Sequel.deep_qualify has been added for easily doing deep qualification.