codahale/bcrypt-ruby — pull request #64 by tjschuck (2013-05-04 00:34:42+00:00)
Title: Custom getter/setter for BCrypt::Engine.cost

To maintain backwards compatibility for people who were manually overriding the `BCrypt::Engine::DEFAULT_COST` constant externally.

Via @tmm1 on https://github.com/codahale/bcrypt-ruby/pull/63