Release v1.15.2
- Allow empty key names in JSON output. ([GitHub #57](https://github.com/mithrandie/csvq/issues/57)) - Fix a bug of the "--allow-uneven-fields" option. ([GitHub #59](https://github.com/mithrandie/csvq/issues/59))
- Allow empty key names in JSON output. ([GitHub #57](https://github.com/mithrandie/csvq/issues/57)) - Fix a bug of the "--allow-uneven-fields" option. ([GitHub #59](https://github.com/mithrandie/csvq/issues/59))