a first attempt at a more generalized report command that can handle one or two file paths and will search directories and generate multiple reports if needed

Improved report formatting#18

See merge request !9

GUI "Display Statistics" works on single variable

See merge request !3

Show defaults for arguments where meaningful.

See merge request !16

Correct np.float to np.floating for subtype comparisons #47

Closes #47

See merge request !21