Scicm

-Added multiple colour maps: diverging, isoluminant, bichromatic_middlegrey, X2080.

-Fixing the images in PyPI

-Added soft colour maps

-Added new teal colour map.
-Updated names of previous "cyan" colour maps that are closer to teal.
-Standarised the lightness of all monochromatic colour maps, so they play nicer with merge.

-Added new cmap tools. Ran the full package through pylint and acted accordingly. Hid CwO and PwO until further notice.

-Added additional diverging colourmaps: BwG, CwO, PwO, YkB
-Fixed bug in figure heights in Example_images.ipynb