Fixed hsv>rgb (though results could stand to be more precise).
Fixed RGB <-> HSV conversion tests.
Changed 'composite' to return all values as 0-255 ints; fixed usage error for mk-hsv-op.
Renamed 'scratch' dir to 'support'.
Created python script to generate test cases for main test module.
Created script to query pixel values of RGB-HSV reference image.
Created script to archive images in base64/gzip format.
Created sample output for super-detailed image comparison.
Created reference image archive.
Completed test suite.
Replaced base.png with smaller version; added new test dependencies.