Resen version 2019.1.1 has been released! This version of Resen should include all functionality to create and work in resen buckets, as well as importing and exporting buckets.
See the new version on the Resen github page. This version of Resen can be installed with
pip install git+https://github.com/EarthCubeInGeofirstname.lastname@example.org
Give it a try and let us know if you have any issues!