anchor.diff:  	{ok, Code, Header, Content} = send_authed_query(State, head),
   	
   	case list_to_integer(Code) of
  -		204 -> [{"Container-Count", get_header("X-Account-Container-Count", Header)},
  -				{"Bytes-Used", get_header("X-Account-Bytes-Used", Header)}];
  +		204 -> {ok, [{"Container-Count", get_header("X-Account-Container-Count", Header)},
  +				{"Bytes-Used", get_header("X-Account-Bytes-Used", Header)}]};
   		_ -> {error, Content}
   	end.
   
  
positive.code: 	{ok, Code, Header, _Content} = send_authed_query(State, "/" ++ Container ++ "/" ++ Object, head),
  	
  	case list_to_integer(Code) of
  		200 -> [{"Content-Length", get_header("Content-Length", Header)},
  				{"Content-Type", get_header("Content-Type", Header)},
  				{"Last-Modified", get_header("Last-Modified", Header)},
  				{"Hash", get_header("Etag", Header)} | extract_metadata_headers("X-Object-Meta-", Header)];
  		404 -> {error, does_not_exist};
  		_ -> error
  	end.
  
negative.code: 	
  	case list_to_integer(Code) of
  		204 ->
  			{ok, [{ssl_url, get_header("X-Cdn-Ssl-Uri", Header)},
  			 {url, get_header("X-Cdn-Uri", Header)},
  			 {streaming_url, get_header("X-Cdn-Streaming-Uri", Header)},
  			 {ttl, get_header("X-Ttl", Header)},
  			 {enabled, get_header("X-Cdn-Enabled", Header)},
  			 {log_retention, get_header("X-Log-Retention", Header)}]};
  		404 -> {error, does_not_exist};
  		_ -> {error, Content}
  	end.
  