Cut v0.4.13 release.

Author: 1st1

setup.py

@@ -55,7 +55,7 @@ def build_extensions(self):
 setup(
     name='uvloop',
     description='Fast implementation of asyncio event loop on top of libuv',
-    version='0.4.12',
+    version='0.4.13',
     packages=['uvloop'],
     cmdclass={'build_ext': libuv_build_ext},
     ext_modules=[