Bump version to 0.4.5

Author: 1st1

setup.py

@@ -52,7 +52,7 @@ def build_extensions(self):
 
 setup(
     name='uvloop',
-    version='0.4.4',
+    version='0.4.5',
     packages=['uvloop'],
     cmdclass = {'build_ext': libuv_build_ext},
     ext_modules=[