On non-windows systems, /var/tmp is used as a hard-coded path for the default state file. Use Dir.tmpdir instead. The path can still be overridden using #UUID::state_file=
…y useful for calling next_sequence on the generator when forking a process. Added: UUID::Server and UUID::Client so you can have one process serving you UUIDs. Added: UUID command line tool. Yay!
… shared between processes, or persisted across restarts (e.g. Heroku, Google App Engine) you can simple turn it off: UUID.state_file = false
…est changes to API and usage.