Version Bump 0.5.8

Author: Parkayun

setup.py

@@ -25,7 +25,7 @@ def run(self):
 
 setup(
     name="bson",
-    version="0.5.7",
+    version="0.5.8",
     packages=["bson"],
     install_requires=["python-dateutil>=2.4.0", "six>=1.9.0"],
     author="Ayun Park",