Fix a bug when calculating HD related metrics for all 0 images.

Fix #28 for correct volume similarity

Fix #28

Fix #28

fix a bug for the calculation of metrics when label does not exist in ground truth and prediction

Fix #29

I updated the Documentation, so that users clearly know that the package will always return a list of dicts.

fix the version number

Fix #26

We did not use smooth=0.001 value anymore. However, we explicitly check the condition and return the exect metrics for any conditions.

change the default verbose to False so that we do not have some annoying information like: "0it [00:00, ?it/s] 1it [00:00, 5.06it/s" ...

fix a bug.

Add TP, TN, FP, FN to make it possible to customize more metrics.