Shifting gears: `caw` no longer provides a CLI tool but instead only provides a client library.
In version 0.7.0, deserialization uses [pyserde](https://github.com/yukinarit/pyserde) and communicates with CUBE with `content-type: application/json`.
0.6.1
0.6.1a2
[Failed downloads are retried.](https://github.com/FNNDSC/caw/commit/1693600008a47d049f3424baf391faa6d31bfccc)