code: protected function getClient($redirecturl = '') {
  		// keep only one instance during a session
  		if (is_object($this->linkedin)) {
  			return $this->linkedin;
  		}
  		
  		if ($redirecturl == '') {
  			$redirecturl = $this->redirecturl;
  		} else {
  			$this->redirecturl = $redirecturl;
  		}
  		$this->logQ('redirect '.$redirecturl,'linkedin');
  		
  		$API_CONFIG = array(
  			'api_key' => $this->options['api_key'],
  			'api_secret' => $this->options['api_secret'],
  			'callback_url' => $redirecturl
  			);
  			
  		$this->linkedin = $linkedin = new \LinkedIn\LinkedIn($API_CONFIG);
  		
  		return $this->linkedin;
  	}
docs: Returns LinkedIn API object inited with API settings
  
  @return LinkedIn\LinkedIn