Updated README, added "persistant" option to config and command line.

rtv/config.py

@@ -10,6 +10,7 @@ CONFIG = os.path.join(XDG_HOME, 'rtv', 'rtv.cfg')
 TOKEN = os.path.join(XDG_HOME, 'rtv', 'refresh-token')
 
 unicode = True
+persistant = True
 
 # https://github.com/reddit/reddit/wiki/OAuth2
 # Client ID is of type "installed app" and the secret should be left empty
@@ -55,4 +56,4 @@ def save_refresh_token(token, filename=TOKEN):
 
 def clear_refresh_token(filename=TOKEN):
     if os.path.exists(filename):
-        os.remove(filename)
+        os.remove(filename)