Merge pull request #34 from Sid3y1/master

Correction to filter dirrectory

lib/walk.js

@@ -234,7 +234,7 @@
       while (me._wq.length && me._wFilter()) {
         me._wcurpath = me._wq.pop();
       }
-      if (me._wcurpath) {
+      if (me._wcurpath && !me._wFilter()) {
         me._wWalk();
       } else {
         me._wNext();