Bump version to 0.2.3

Change-Id: Iad8a8bb0386591fd6607e12ab436aba83b2a05a6
diff --git a/setup.py b/setup.py
index 2cfd916..f5f2365 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 
 setup(
     name="KorAPClient",
-    version="0.2.0",
+    version="0.2.3",
     author="Marc Kupietz",
     author_email="kupietz@ids-mannheim.de",
     description="Client package to access KorAP's web service API",