```ruby
module ISO8601
  VERSION = "0.1"
end

require "iso8601/errors"
require "iso8601/atoms"
require "iso8601/dateTime"
require "iso8601/duration"
```

ADD require time for dateTime
user
```ruby
module ISO8601
  VERSION = "0.1"
end

require "time"

require "iso8601/errors"
require "iso8601/atoms"
require "iso8601/dateTime"
require "iso8601/duration"
```
assistant