CSS reloading with @import clause fails

[bendlas]

When using @import in a css file like

@import './modules/base.css'

the css reloader doesn't reload changes to base.css, even if modules is in :css-dirs

[bhauman]

Handling CSS imports is a new feature in figwheel-main

https://github.com/bhauman/figwheel-main

Its still in the SNAPSHOT release