def get_credit_note(credit_note_id_or_number)
      request_params = {}

      url  = "#{@xero_url}/CreditNotes/#{CGI.escape(credit_note_id_or_number)}"

      response_xml = http_get(@client, url, request_params)

      parse_response(response_xml, {:request_params => request_params}, {:request_signature => 'GET/CreditNote'})
    end
def get_credit_note(credit_note_id_or_number)
      request_params = {}

      url  = "#{@xero_url}/CreditNotes/#{CGI.escape(credit_note_id_or_number)}"

      response_xml = http_get(@client, url, request_params)

      parse_response(response_xml, {:request_params => request_params}, {:request_signature => 'GET/CreditNote'})
    end
Retrieves a single credit_note

 Usage : get_credit_note("297c2dc5-cc47-4afd-8ec8-74990b8761e9") # By ID
         get_credit_note("OIT-12345") # By number