Changelog for ip2proxy
======================
v2.0.1
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* Bump edition to 2021.
* Switch from `positioned-io-preview` to `positioned-io`.
v2.0.0
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* Added support for PX9-PX11 BIN databases.
* Future proofed `Row` for addition of new fields.
* Added `Database::database_version()`.
* Replaced `Database::header()` with methods directly on `Database`.
v1.0.0
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* Initial release.