Fixes for docker container and new version

Fixes several typos encountered when packaging HDSort into a docker image. Based on this working fork: https://github.com/chyumin/HDsort/pull/1

See:

• https://github.com/SpikeInterface/spikeinterface/pull/660
• https://github.com/SpikeInterface/spikeinterface-dockerfiles/pull/35
• https://hub.docker.com/repository/docker/chyumin/hdsort-compiled-base

Also bumped up version to reflect changes.