Add response of oxxo cancel

@@ -207,7 +207,7 @@ module ActsAsChargeable
       if update_columns(var_status: nil, var_barcode: nil, var_barcode_url: nil,
                         var_id: nil, var_service: nil, var_payment_at: nil,
                         var_payment_expires_at: nil)
-        { object: self }
+        { object: code }
       else
         { error_message: 'Something went wrong' }
       end

 # Var Version
 module Var
-  VERSION = '0.2.18'
+  VERSION = '0.2.19'
 end