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Released 2014-03-27
* Improvements to :class:`~nameko.containers.ServiceContainer.kill()` enabling
better tracebacks and cleaner teardown:
- Using ``sys.exc_info`` to preserve tracebacks
- No longer passing exception into
:meth:`~nameko.extensions.DependencyProvider.kill()`, removing race
conditions.
- No longer requiring ``exc`` in
:class:`~nameko.containers.ServiceContainer.kill()`