[Enhancement] Passes import path to importer as option

lib/features.js

@@ -23,7 +23,9 @@ var variables = require('rework-vars');
 
 exports.import = function(options){
   return 'undefined' == typeof window && options.source
-    ? importer()
+    ? importer({
+      path: options.paths
+    })
     : function(){};
 };
 

test/features/import.css

@@ -1,6 +1,8 @@
 
 @import "import.include.css";
 
+@import "paths-example/import.include.css";
+
 body {
   color: red;
-}
+}

test/features/import.out.css

@@ -3,6 +3,10 @@ html {
   color: black;
 }
 
+span {
+  color: black;
+}
+
 body {
   color: red;
-}
+}

test/index.js

@@ -38,7 +38,7 @@ describe('features', function(){
 
     describe(slug, function(){
       it('should add ' + slug + ' node support', function(){
-        var css = myth(input, { source: source });
+        var css = myth(input, { source: source, paths: [__dirname]});
         assert.equal(css.trim(), expected.trim());
       });
 

test/paths-example/import.include.css

@@ -0,0 +1,4 @@
+
+span {
+  color: black;
+}