add color distance functions, ciede2000 tests
docs
better cmc implementation
don't need lab2lch
add tests. cmc stops naning
cleaner lch implementations
fix path
set testing tolerance
make naming consistent
add references
references
 references
expose lab/lch conversion
 docs
pep8 math operators
use np.rollaxis
reference formatting
copy editing docs
test for rgb2lch roundtrip
deg2rad > DEG