Changes
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1.2.1 (2016-02-15)
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- Update tests.


1.2 (2012-11-14)
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- Add the layer directive to Traverser Components.


1.1 (2012-05-02)
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- Use the component registration api of grokcore.component.

1.0 (2011-01-03)
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- Factor out form grok base package.
