Set tag to 2.0.99rc2 for RC2 pypi upload

Author: Grokzen

setup.py

@@ -20,7 +20,7 @@
 
 setup(
     name="redis-py-cluster",
-    version="2.1.0",
+    version="2.0.99rc2",
     description="Library for communicating with Redis Clusters. Built on top of redis-py lib",
     long_description=readme + '\n\n' + history,
     long_description_content_type="text/markdown",