celluloid/celluloid — pull request #368 by tarcieri (2014-01-18 22:13:25+00:00)
Title: Raise Celluloid::TimeoutError on mailbox timeout

cc @halorgium

Previously mailboxes would simply return nil upon timeout. This made it difficult to disambiguate when timeouts occurred versus other events.

This changes mailboxes to raise a TimeoutError when timeouts occur.