minor cosmetic fixes
Merge branch 'master' of https://github.com/bps10/color

* 'master' of https://github.com/bps10/color:
  added hue scaling and matching plots
  changed relative imports
added matching
Merge branch 'master' of https://github.com/bps10/color

* 'master' of https://github.com/bps10/color:
  towards a colorful colorspace
mostly working colorful color space