Keep the importance modifier in CSS to Stylus convertor
We already know the prop, so use it when checking the importance
Fixes incorrect imports lookup inside function call + test case
get dirname
use local var instead this.importStack
refactoring
added simple testcase for in function import
added testcase for complexer in function importing
Merge pull request #694 from kizu/patch-3

Keep the importance modifier in CSS to Stylus convertor
Release 0.27.2
Fixed @extend in mixin. Closes #638

some cases still fail
add basename() dirname() and extname() BIFs
add pathjoin() BIF
add suffix to basename() BIF
Release 0.28.0
fix @media cloning
Release 0.28.1
Remove Readme.md from .npmignore

In order to get website goodness, searchability, and other forms of awesome,
you must include a readme file in your npm tarball.
Merge pull request #750 from isaacs/patch-1

Remove Readme.md from .npmignore
Fixes extend in mixin. Closes #747, #748  and #751