def get_bank_transactions(options = {})
      request_params = {}
      request_params[:BankTransactionID]  = options[:bank_transaction_id] if options[:bank_transaction_id]
      request_params[:ModifiedAfter]      = options[:modified_since] if options[:modified_since]
      request_params[:order]              = options[:order] if options[:order]
      request_params[:where]              = options[:where] if options[:where]
      request_params[:page]               = options[:page] if options[:page]

      response_xml = http_get(@client, "#{@xero_url}/BankTransactions", request_params)

      parse_response(response_xml, {:request_params => request_params}, {:request_signature => 'GET/BankTransactions'})
    end
def get_bank_transactions(options = {})
      request_params = {}
      request_params[:BankTransactionID]  = options[:bank_transaction_id] if options[:bank_transaction_id]
      request_params[:ModifiedAfter]      = options[:modified_since] if options[:modified_since]
      request_params[:order]              = options[:order] if options[:order]
      request_params[:where]              = options[:where] if options[:where]
      request_params[:page]               = options[:page] if options[:page]

      response_xml = http_get(@client, "#{@xero_url}/BankTransactions", request_params)

      parse_response(response_xml, {:request_params => request_params}, {:request_signature => 'GET/BankTransactions'})
    end
Retrieves all bank transactions from Xero

 Usage : get_bank_transactions
         get_bank_transactions(:bank_transaction_id => " 297c2dc5-cc47-4afd-8ec8-74990b8761e9")

 Note  : modified_since is in UTC format (i.e. Brisbane is UTC+10)