Support of foreign_key db constrains was added with using foreigner gem:
   index name, :foreign=>true
The foreign keys are automatically added and deleted.
The gem file temporary point out to the fixed, compatible with mini_record fork of foreigner.
Update README.md

Support of foreign_key db constrains were added with using foreigner gem:
index :some_external_id, :foreign=>true
The foreign keys are automatically added and deleted.
The gem file temporary point out to the fixed, compatible with mini_record fork of foreigner.
Merge pull request #27 from virtax/master

Support of foreign key db constraints were added with using of foreigner gem