3/21/14 - r1.19 - updated changes from vesicles17.jpg
3/24/14 - changed luminance levels
3/27/14 - changed lph1 gray pinks to gray violets
3/27/14 - changed gray level to sat levels
3/28/14 - r2.0 - updated changes from lph6.jpg
3/28/14 - r2.1 - updated changes from lph4.jpg
3/28/14 - r2.2 - update changes from lph8.jpg
3/28/14 - major changes to color threshold
3/28/14 - changed hsl thresholds
3/29/14 - major change to color thresholds
4/2/14 - updated thresholds