fix filename matching

closes #5, thanks @jasonkit!

Author: stevenschobert

lib/index.js

@@ -6,7 +6,7 @@
       path = require('path'),
 
       isSassFile = function isSassFile(filename) {
-        return (/^[^_]*\.scss/).test(path.basename(filename));
+        return (/^[^_].*\.scss/).test(path.basename(filename));
       },
 
       isPartial = function isPartial(filename) {

test/fixtures/partials/expected/not_partial.css

@@ -0,0 +1,2 @@
+.notpartial {
+  color: #0f0; }

test/fixtures/partials/src/_partial_with_underscore.scss

@@ -0,0 +1,3 @@
+.newpartial {
+  color: #ff0;
+}

test/fixtures/partials/src/not_partial.scss

@@ -0,0 +1,5 @@
+$color3: #0f0;
+
+.notpartial {
+  color: $color3;
+}