Report transparants as aliases

#63

Revert broken color sorting

v1.4.1

Revert update of color-sorter to v2.0.0 (#62)

Sort colors

Colors are now sorted by default, using https://github.com/bartveneman/color-sorter

Bugfix for color alias false positives

This release fixes #56

Color aliases

You can now easily find color aliases, like #000 and #000000 and black.

Empty rules analysis

It could be interesting to find out if and how many empty rules are in your CSS. Ideally, there are none.