fixed a problem in recent commit when pycrypto is missing, the fix is temporary

VERSION

@@ -1 +1 @@
-Version 2.6.0-development+timestamp.2013.07.17.07.36.50
+Version 2.6.0-development+timestamp.2013.07.17.17.18.40

gluon/utils.py

@@ -80,7 +80,10 @@ def compare(a, b):
 
 def md5_hash(text):
     """ Generate a md5 hash with the given text """
-    return md5.new(text).hexdigest()
+    if hasattr(md5,'new'):
+        return md5.new(text).hexdigest()
+    else:
+        return md5(text).hexdigest()
 
 
 def simple_hash(text, key='', salt='', digest_alg='md5'):