def login(email, password, opts = {})
      ensure_ready!
      opts = opts.merge(:email => email, :password => password)
      checked_response_body(connection.post('login', opts))
    end
def login(email, password, opts = {})
      ensure_ready!
      opts = opts.merge(:email => email, :password => password)
      checked_response_body(connection.post('login', opts))
    end
Get authentication info via email/password