* Upgrade Ruby patch level to 247. * Wrap documentation lines at 80 characters. * End sentences with periods. * Replace Bourne with RSpec Mocks >= 2.14, which now has stubbing and spying. * Upgrade Rake. * Use RSpec `expect` syntax. * Configure RSpec to fail fast, saving time during TDD loops and CI runs. * Configure RSpec to run tests in random order, potentially exposing inter-dependent tests.