Removed pending_joins accessor from Call.
[BUGFIX] Ensure BridgeExec events match join commands regardless of channel ordering
[BUGFIX] Remove pending joins when they match
[BUGFIX] Test against a real translator object
[CS] Celluloid is always loaded
[DOC] Changelog entry
[BUGFIX] Sidestep a mismatch between our crazy mocking and 1.9.2
Merge branch 'feature/pending_joins' into develop