hack-2009.4.26: changelog.md

2009.4.26
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### Fix

* add hyena handler

2009.4.25
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### Featuer

* more middleware
* hyena handler for simple use server

2009.4.23
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### Feature

* more middleware
    * ContentSize
    * SimpleAccessLogger

* request helper

2009.4.22
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### Feature

* more middleware
  * ContentType
  * RawRouter
  * SimpleRouter

2009.4.21
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### Feature

* demo SimpleRoute middleware

### Fix

* env for kibro adapter
* homepage in hack.cabal

2009.4.20
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### Feature

* raw specification
* shiny kibro hack handler