Bump version to 6.4.0

Author: gvalkov

riemann_client/__init__.py

@@ -15,5 +15,5 @@
 except ImportError:
     pass
 
-__version__ = '6.1.3'
+__version__ = '6.4.0'
 __author__ = 'Sam Clements <sam.clements@datasift.com>'

setup.py

@@ -11,7 +11,7 @@
 
 setuptools.setup(
     name='riemann-client',
-    version='6.3.0',
+    version='6.4.0',
 
     author="Sam Clements",
     author_email="sam.clements@datasift.com",