Added 3.4 to tox
diff --git a/tox.ini b/tox.ini
index 4bad758..1209f05 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py26, py27, pypy, py33
+envlist = py26, py27, pypy, py33, py34
 
 [testenv]
 commands = python run-tests.py