kan-extensions-3.1.2: CHANGELOG.markdown

3.1.2
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* Marked modules `Trustworthy` as required for `SafeHaskell` in the presence of these extensions.

3.1.1
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* Refactored build system
* IRC build-bot notification
* Removed upper bounds on dependencies on my other packages

3.1
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* Moved `Control.Monad.Free.Church` over to the `free` package instead and removed it from `kan-extensions`