Add bool states for MainLoop.

ccnode/node.py

@@ -193,6 +193,14 @@ class MainLoop(object):
         # plugins
         self.registered_plugins = set()
 
+    @property
+    def rpc_connected(self):
+        return self.rpc_con is not None
+
+    @property
+    def rpc_authenticated(self):
+        return self.rpc_connected and self.connect is None
+
     # RPC handlers definitions
     @threadless
     def sub_tags(self, sub_id, tags=None, noresolve_tags=None):