diff --git a/lib/wrench.js b/lib/wrench.js
index 19bd4b1..9b701e6 100644
--- a/lib/wrench.js
+++ b/lib/wrench.js
@@ -183,8 +183,12 @@ exports.copyDirSyncRecursive = function(sourceDir, newDirLocation, opts) {
     var files = fs.readdirSync(sourceDir);
 
     for(var i = 0; i < files.length; i++) {
+        // ignores all files or directories which match the RegExp in opts.filter
+		if(!opts.whitelist && opts.filter && files[i].match(opts.filter)) continue;
+		// if opts.whitelist is true every file or directory which doesn't match opts.filter will be ignored
+		if(opts.whitelist && opts.filter && !files[i].match(opts.filter)) continue;
         if (opts.excludeHiddenUnix && /^\./.test(files[i])) continue;
-
+        
         var currFile = fs.lstatSync(sourceDir + "/" + files[i]);
 
         var fCopyFile = function(srcFile, destFile) {
@@ -289,7 +293,7 @@ exports.rmdirRecursive = function rmdirRecursive(dir, clbk){
                 return fs.rmdir(dir, clbk);
 
             var file = dir+'/'+filename;
-            fs.stat(file, function(err, stat){
+            fs.lstat(file, function(err, stat){
                 if (err) return clbk(err);
                 if (stat.isDirectory())
                     rmdirRecursive(file, rmFile);
@@ -384,6 +388,10 @@ exports.LineReader = function(filename, bufferSize) {
 };
 
 exports.LineReader.prototype = {
+    close: function() {
+        return fs.closeSync(this.fd);
+    },
+
     getBufferAndSetCurrentPosition: function(position) {
         var res = fs.readSync(this.fd, this.bufferSize, position, "ascii");
 
diff --git a/package.json b/package.json
index 09ee58e..36c296b 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "wrench",
   "description": "Recursive filesystem (and other) operations that Node *should* have.",
-  "version": "1.3.9",
+  "version": "1.4.0",
   "author": "Ryan McGrath <ryan@venodesigns.net>",
 
   "repository": {
diff --git a/readme.md b/readme.md
index 393e3da..243c0da 100644
--- a/readme.md
+++ b/readme.md
@@ -45,6 +45,10 @@ var f = new wrench.LineReader('x.txt');
 while(f.hasNextLine()) {
 	util.puts(x.getNextLine());
 }
+
+// Note: You will need to close that above line reader at some point, otherwise
+// you will run into a "too many open files" error. f.close() or fs.closeSync(f.fd) are
+// your friends, as only you know when it is safe to close.
 ```
 
 ### Asynchronous operations
@@ -54,7 +58,6 @@ var files = [];
 wrench.readdirRecursive('my_directory_name', function(error, curFiles) {
     // curFiles is what you want
 });
-
 ```
 
 Questions, comments? Hit me up. (ryan [at] venodesigns.net | http://twitter.com/ryanmcgrath)
diff --git a/tests/mkdir.js b/tests/mkdir.js
index e728516..933887b 100644
--- a/tests/mkdir.js
+++ b/tests/mkdir.js
@@ -7,11 +7,11 @@ module.exports = testCase({
     test_mkdirSyncRecursive: function(test) {
         var dir = __dirname + '/_tmp/foo/bar';
 
-        test.equals(path.existsSync(dir), false, 'Dir shouldn\'t exist - clean it up manually?');
+        test.equals(fs.existsSync(dir), false, 'Dir shouldn\'t exist - clean it up manually?');
 
         wrench.mkdirSyncRecursive(dir, 0777);
 
-        test.equals(path.existsSync(dir), true, 'Dir should exist now');
+        test.equals(fs.existsSync(dir), true, 'Dir should exist now');
 
         // clean up
         while (dir != __dirname) {
diff --git a/tests/readdir.js b/tests/readdir.js
index c314229..2460203 100644
--- a/tests/readdir.js
+++ b/tests/readdir.js
@@ -23,7 +23,7 @@ module.exports = testCase({
     test_readdirSyncRecursive: function(test) {
         var dir = path.join(__dirname, 'readdir');
 
-        test.ok(path.existsSync(dir), 'Folders should exist');
+        test.ok(fs.existsSync(dir), 'Folders should exist');
 
         var files = wrench.readdirSyncRecursive(dir);
 
@@ -33,7 +33,7 @@ module.exports = testCase({
     test_readdirRecursive: function(test) {
         var dir = path.join(__dirname, 'readdir');
 
-        test.ok(path.existsSync(dir), 'Folders should exist');
+        test.ok(fs.existsSync(dir), 'Folders should exist');
 
         var allFiles = [];