Rev619, Fix sitesign without users.json, Fix readme typo

src/Config.py

@@ -8,7 +8,7 @@ class Config(object):
 
     def __init__(self, argv):
         self.version = "0.3.3"
-        self.rev = 618
+        self.rev = 619
         self.argv = argv
         self.action = None
         self.createParser()

src/main.py

@@ -153,8 +153,11 @@ class Actions(object):
         if not privatekey:  # If no privatekey definied
             from User import UserManager
             user = UserManager.user_manager.get()
-            site_data = user.getSiteData(address)
-            privatekey = site_data.get("privatekey")
+            if user:
+                site_data = user.getSiteData(address)
+                privatekey = site_data.get("privatekey")
+            else:
+                privatekey = None
             if not privatekey:
                 # Not found in users.json, ask from console
                 import getpass