update version to 0.2.2 (#1178)

python/ray/__init__.py

@@ -53,7 +53,7 @@ import ray.actor  # noqa: F401
 
 # Ray version string. TODO(rkn): This is also defined separately in setup.py.
 # Fix this.
-__version__ = "0.2.1"
+__version__ = "0.2.2"
 
 __all__ = ["error_info", "init", "connect", "disconnect", "get", "put", "wait",
            "remote", "log_event", "log_span", "flush_log", "actor",

python/setup.py

@@ -96,7 +96,9 @@ class BinaryDistribution(Distribution):
 
 
 setup(name="ray",
-      version="0.2.1",
+      # The version string is also in __init__.py
+      # TODO(pcm): Fix this
+      version="0.2.2",
       packages=find_packages(),
       cmdclass={"build_ext": build_ext},
       # The BinaryDistribution argument triggers build_ext.