5.0.0

Support PostCSS 8

3.0.0

Change: Use PostCSS 6 API.

V 2.1.2

Fix: incorrect output when using both > and >= (or similar).(#12) (by @hudochenkov)

V 2.0.0

Use PostCSS 5.0 API(by @avanes).

V 1.2.0

Use PostCSS 4.1 plugin API.(by @ai )

1.1.0

Add ( 300px <= width <= 900px) or ( 900px >= width >= 300px) syntax.