Release 1.4.0

What's Changed

• Preset Table Nesting Metadata Columns by @robinskil in #102
• Improve documentation of functions and available tables by @robinskil in #105
• Keep writer state across batches by @robinskil in #107
• Add support for zarr by @robinskil in #101
• Add SQL file formats reading by @robinskil in #108
• Select Distinct support in JSON query by @robinskil in #103
• Improving api datasets output by @robinskil in #109
• Complete call sign c17 mappings by @robinskil in #110
• Features/zarr pushdown slice by @robinskil in #114
• Releases 1.4.0 by @robinskil in #116

Full Changelog: v1.3.0...v1.4.0