prep for release

Author: Snawoot

setup.py

@@ -6,7 +6,7 @@
     long_description = f.read()
 
 setup(name='rsp',
-      version='0.3.1',
+      version='0.4.0',
       description='Rapid SSH Proxy',
       url='https://github.com/Snawoot/rsp',
       author='Vladislav Yarmak',