public function lookup_token($consumer, $token_type, $token)
	{
  		\common_Logger::d(__CLASS__.'::'.__FUNCTION__.' called for token '.$token.' of type '.$token_type);
		return new OAuthToken($consumer, "");
	}
public function lookup_token($consumer, $token_type, $token)
	{
  		\common_Logger::d(__CLASS__.'::'.__FUNCTION__.' called for token '.$token.' of type '.$token_type);
		return new OAuthToken($consumer, "");
	}
public function lookup_token ( $ consumer , $ token_type , $ token ) { \ common_Logger :: d ( __CLASS__ . '::' . __FUNCTION__ . ' called for token ' . $ token . ' of type ' . $ token_type ) ; return new OAuthToken ( $ consumer , "" ) ; }
Should verify if the token exists and return it
Always returns an token with an empty secret for now

@access public
@author Joel Bout, <joel@taotesting.com>
@param  consumer
@param  token_type
@param  token
@return mixed
Should verify if the token exists and return it Always returns an token with an empty secret for now