Upgrade from [levelup](https://github.com/Level/levelup) to its successor [abstract-level](https://github.com/Level/abstract-level) as LevelDB connection layer. Use the `encoding` feature to encode binary and objects (as JSON). See #197
Upgrade from levelup to its successor abstract-level as LevelDB connection layer.
Use the
encodingfeature to encode binary and objects (as JSON). See #197