update setup version to 0.4

Nishant Kakar · Nishant Kakar · commit f14616c20894 · 2018-05-02T15:10:08.000-04:00
diff --git a/setup.py b/setup.py
@@ -4,7 +4,7 @@
 
 setup(
     name='ringbuffer',
-    version='0.3',
+    version='0.4',
     description='Ring buffer that allows for high-throughput data transfer'
     'between multiproccessing Python processes.',
     url='https://github.com/ctrl-labs/cringbuffer',
