anchor.diff:  deliver_message(To,Msg)-> 
       Member = pg2:get_members(To),
       case Member of
  -	[Pid]-> Pid ! {jiffy:encode({[{status,200},{msg,Msg}]})};
  -	{error,_}->self()!{jiffy:encode({[{status,404}]})}
  +	[Pid]-> Pid ! {send,Msg};
  +	{error,_}->self()!{error,un_available}
       end.
   
   
  
positive.code:       fun(N)->
  	      Member = pg2:get_members(N),
  	      case Member of
  		  [Pid] -> Pid ! {jiffy:encode({[{status,200},{msg,Msg}]})};
  		  {error,_}->self()!{jiffy:encode({[{status,404}]})}
  	      end
        end,To);
  
  
negative.code: subscribe(To,Channels) when  is_list(Channels)-> 
      Member = pg2:get_members(To),
      case Member of
  	[To|_]-> lists:foreach(fun(N)->pg2:join(N) end),
  		  self()!subscribed;
  	{error,_}-> self()!error
      end;
  subscribe(To,Channel) ->ok.
  
  