Bump package version forward to next development version

Change-Id: Ia04ceb0e83d4927e75a863252571ed76f83b2ef1
diff --git a/setup.py b/setup.py
index 3f8a818..7337172 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@
 
 setup(
     name = 'voltha',
-    version = '1.3.0',
+    version = '2.0.0-dev',
     author = 'Open Networking Foundation, et al',
     author_email = 'info@opennetworking.org',
     description = ('Virtual Optical Line Terminal (OLT) Hardware Abstraction'),