diff --git a/pysitemap/crawler.py b/pysitemap/crawler.py
index 9a07920..9ad8d97 100644
--- a/pysitemap/crawler.py
+++ b/pysitemap/crawler.py
@@ -4,10 +4,15 @@ import urlparse
 import mechanize
 import pickle
 import re
-try:                    
+try:
+    import sys
     import gevent
-    from gevent import monkey, pool
+    from gevent import monkey, pool, queue
     monkey.patch_all()
+    if 'threading' in sys.modules:
+        del sys.modules['threading']
+        print('threading module loaded before patching!\n')
+        print('threading module deleted from sys.modules!\n')
     gevent_installed = True
 except:
     print("Gevent does not installed. Parsing process will be slower.")
@@ -23,7 +28,8 @@ class Crawler:
 
         # create lists for the urls in que and visited urls
         self.urls = set([url])
-        self.visited = set([url])
+        self.visited = set([])
+        self.excepted = set([])
         self.exts = ['htm', 'php']
         self.allowed_regex = '\.((?!htm)(?!php)\w+)$'
 
@@ -44,51 +50,77 @@ class Crawler:
         self.regex = re.compile(self.allowed_regex)
         if gevent_installed and pool_size > 1:
             self.pool = pool.Pool(pool_size)
+            self.queue = gevent.queue.Queue()
+            self.queue.put(self.url)
             self.pool.spawn(self.parse_gevent)
+            while not self.queue.empty() and not self.pool.free_count() == pool_size:
+                gevent.sleep(0.1)
+                while len(self.urls) > 0:
+                    self.queue.put(self.urls.pop())
+                for x in xrange(0, min(self.queue.qsize(), self.pool.free_count())):
+                    self.pool.spawn(self.parse_gevent)
             self.pool.join()
         else:
             while len(self.urls) > 0:
                 self.parse()
         if self.oformat == 'xml':
             self.write_xml()
+        self.errlog()
 
     def parse_gevent(self):
-        self.parse()
-        while len(self.urls) > 0 and not self.pool.full():
-            self.pool.spawn(self.parse_gevent)
+        url = self.queue.get(timeout=0)
+        try:
+            br = mechanize.Browser()
+            response = br.open(url)
+            if response.code >= 400:
+                self.excepted.update([(url, "Error {} at url {}".format(response.code, url))])
+                return
+                       
+            for link in br.links():
+                newurl =  urlparse.urljoin(link.base_url, link.url)
+                if self.is_valid(newurl):
+                    self.visited.update([newurl])
+                    self.urls.update([newurl])
+        except Exception, e:
+            self.excepted.update([(url, e.message)])
+            return
+        except gevent.queue.Empty:
+            br.close()
+            if self.echo:
+                print('{} pages parsed :: {} parsing processes  :: {} pages in the queue'.format(len(self.visited), len(self.pool), self.queue.qsize()))
+            return
+
+        br.close()
+        if self.echo:
+            print('{} pages parsed :: {} parsing processes  :: {} pages in the queue'.format(len(self.visited), len(self.pool), self.queue.qsize()))
+
 
     def parse(self):
         if self.echo:
-            if not gevent_installed:
-                print('{} pages parsed :: {} pages in the queue'.format(len(self.visited), len(self.urls)))
-            else:
-                print('{} pages parsed :: {} parsing processes  :: {} pages in the queue'.format(len(self.visited), len(self.pool), len(self.urls)))
+            print('{} pages parsed :: {} pages in the queue'.format(len(self.visited), len(self.urls)))
 
         # Set the startingpoint for the spider and initialize 
         # the a mechanize browser object
+        url = self.urls.pop()
+        br = mechanize.Browser()
+        try:
+            response = br.open(url)
+            if response.code >= 400:
+                self.excepted.update([(url, "Error {} at url {}".format(response.code, url))])
+                return
+                       
+            for link in br.links():
+                newurl =  urlparse.urljoin(link.base_url, link.url)
+                #print newurl
+                if self.is_valid(newurl):
+                    self.urls.update([newurl])
 
-        if not self.urls:
-            return
-        else:
-            url = self.urls.pop()
-            br = mechanize.Browser()
-            try:
-                response = br.open(url)
-                if response.code >= 400:
-                    self.errlog("Error {} at url {}".format(response.code, url))
-                    return
-                           
-                for link in br.links():
-                    newurl =  urlparse.urljoin(link.base_url, link.url)
-                    #print newurl
-                    if self.is_valid(newurl):
-                        self.visited.update([newurl])
-                        self.urls.update([newurl])
-            except Exception, e:
-                self.errlog(e.message)
+            self.visited.update([url])
+        except Exception, e:
+            self.excepted.update([(url, e.message)])
 
-            br.close()
-            del(br)
+        br.close()
+        del(br)
 
 
 
@@ -102,9 +134,11 @@ class Crawler:
             return False
         return True
 
-    def errlog(self, msg):
-        self.logfile.write(msg)
-        self.logfile.write('\n')
+    def errlog(self):
+        while len(self.excepted) > 0:
+            ex = self.excepted.pop()
+            self.logfile.write('{}\n'.format('\t'.join(ex)))
+        self.logfile.close()
 
     def write_xml(self):
         of = open(self.outputfile, 'w')
@@ -116,7 +150,3 @@ class Crawler:
 
         of.write('</urlset>')
         of.close()
-
-
-
-
diff --git a/setup.py b/setup.py
index b5f1759..5d0bc34 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@ setup(
     version=get_version(
         major=0,
         minor=3,
-        build=4,
+        build=5,
     ),
     packages=find_packages(exclude=EXCLUDE_FROM_PACKAGES),
     include_package_data=True,