function GetUsers($options=array())
     {
         if(isset($options['userId']))
           $this->db->where('userId',$options['userId']);

         if(isset($options['userEmail']))
           $this->db->where('userEmail',$options['userEmail']);

            //echo "salt=".$this->config->item('SALT');
            //echo "password=".$options['userPassword'];

         if(isset($options['userPassword']))
             $this->db->where('userPassword',dohash($this->config->item('SALT').$options['userPassword'].$this->config->item('SALT')));

         if(isset($options['userStatus']))
             $this->db->where('userStatus',$options['userStatus']);
         if(isset($options['userType']))
             $this->db->where('userType',$options['userType']);

         //Limit / offset
         if(isset($options['limit']) && isset($options['offset']))
             $this->db->limit($options['limit'],$options['offset']);
         else if(isset($options['limit']))
             $this->db->limit($options['limit']);

         if(isset($options['sortBy']) && isset($options['sortDirection']))
           $this->db->order_by($options['sortBy'],$options['sortDirection']);

         if(!isset($options['userStatus'])) $this->db->where('userStatus !=','deleted');

         $query = $this->db->get('users');//query

         echo $this->db->last_query();

         if(isset($options['userId']) || isset($options['userEmail']))
         {
             //echo "<br />";
             //print_r($query->row(0));exit;

           return $query->row(0);
         }
         echo "not here";
         return $query->result();
     }//end func

     function _default($defaults,$options)
     {
          return array_merge($defaults,$options);
     }

     /*Authentication methods*/
     function Login($options=array())
     {
         if(!$this->_required(array('userEmail','userPassword'),$options))//check the required options of email and pass aggainst provided $options.
         {
           return false;
         }

         $user = $this->GetUsers(array('userEmail' => $options['userEmail'],
                                                                     'userPassword' => dohash( $this->config->item('SALT').
                                                                                                                       $options['userPassword'].
                                                                                                                       $this->config->item('SALT')),
                                                                     'userStatus' => 'active'));

         print_r($user);exit;
         //Returns empty array() which == false
         if(!$user)
             return false;

         //Set session vars
         $this->session->set_userdata('userEmail',$user->userEmail);
         $this->session->set_userdata('userId',$user->userId);
         $this->session->set_userdata('userType',$user->userType);
         $this->session->set_userdata('userStatus',$user->userStatus);

         return true;
     }