Bump version to 0.1.21
diff --git a/setup.py b/setup.py
index 6673d58..b931254 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@
 
 setup(
     name='pytoml',
-    version='0.1.20',
+    version='0.1.21',
 
     description='A parser for TOML-0.4.0',
     long_description=long_description,