bump 0.6.0 with comet and metricX native scoring (#396)

* bump 0.6.0 with comet and metricX native scoring

* relax 2.12

bump 0.5.3 (#391)

bump 0.5.2 (#346)

bump 0.5.1 (#330)

* bump 0.5.1
* add missing init.py

bump 0.5.0 (#320)

* bump 0.5.0

bump0.4.4 (#300)

bump 0.4.3 (#287)

bump 0.4.2 (#282)

bump 0.4.1 (#276)

bump 0.4 (#269)