Release erp5.util 0.4.21

CHANGES.erp5.util.txt

 Changes
 =======
 
+0.4.21 (2013-01-07)
+-------------------
+
+ * erp5.util.taskdistribution:
+
+  - really fix lock to avoid errors with concurrent RPC calls
+
+ * erp5.util.testnode:
+
+  - do not run test suites on deleted branches
+
 0.4.20 (2012-12-19)
 ------------------
 

setup.py

@@ -2,7 +2,7 @@ from setuptools import setup, find_packages
 import glob
 import os
 
-version = '0.4.20'
+version = '0.4.21'
 name = 'erp5.util'
 long_description = open("README.erp5.util.txt").read() + "\n"