Fixes #619 Support slash in media
Dont treat imported files that have `.css.` inside of the filename as literal CSS
Added optional way to make precision roundings, also tests for them
Mentioned precision in docs, renamed tests
Fixes #879 Extends with parent reference
Merge pull request #892 from tonistiigi/879-nested-extends

Fixes #879 Extends with parent reference
Merge pull request #891 from tonistiigi/619-slash-in-media

Fixes #619 #888 Support slash in media
Merge pull request #890 from kizu/precision-rounding

Precision rounding
Merge pull request #889 from kizu/patch-css-filename

Don't treat imported files that have `.css.` inside of the filename as literal CSS
Release 0.31.0
Fixes #911 Percentage calculation value not copied
Merge pull request #912 from tonistiigi/911-percentange-calculation

Fixes #911 Percentage calculation value not cloned
sync api for #230 #691 #151
Merge pull request #934 from lepture/sync-render

sync render