def validate_cookie     
      if cookies[:caboose_user_id]
        user = User.where(:id => cookies[:caboose_user_id]).first
        if user        
          login_user(user)
          return true
        end
      end
      return false
    end
def validate_cookie     
      if cookies[:caboose_user_id]
        user = User.where(:id => cookies[:caboose_user_id]).first
        if user        
          login_user(user)
          return true
        end
      end
      return false
    end
Checks to see if a remember me cookie value is present.