hack-handler-hyena-2009.6.23: changelog.md

2009.6.23
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### Feature

* compatible with hack 5.19 and hyena 0.1

2009.5.19
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### Feature

* Compatible with hack 5.19

2009.4.51
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### Feature

* minimal dependency ( used to depends on hack-contrib / mps, not now )

2009.4.50
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### Fix

* use show_status_message in Utils

2009.4.30
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Init