Upgrade to latest libmdbx

0.2.1.1

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Add proper transaction handling for Database module

0.2.1.0

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Improve handling of binary keys, extend configuration support

0.2.0.0

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Fix build issues caused by dependency bounds

0.1.0.4

Fix build issues caused by dependency bounds

Fix Hackage deployment

0.1.0.3

Fix build issues caused by dependency bounds

Initial public release

0.1.0.0

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