Bump to development version 0.6.1.9000

Change-Id: I69f678aa20a8d393bdc1e8bd1fb8f985147a070b
diff --git a/setup.py b/setup.py
index 5da70ce..127d316 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 
 setup(
     name="KorAPClient",
-    version="0.6.1",
+    version="0.6.1.9000",
     author="Marc Kupietz",
     author_email="kupietz@ids-mannheim.de",
     description="Client package to access KorAP's web service API",