```ruby
require 'rest_client'

require 'kigoapi/version'
require 'kigoapi/client'
require 'kigoapi/response'

require 'kigoapi/reservations'
require 'kigoapi/reservation'
require 'kigoapi/reservation/guest'
require 'kigoapi/user_defined_reservation_attributes'

require 'kigoapi/properties'
require 'kigoapi/property'

require 'kigoapi/rent'
require 'kigoapi/user_defined_reservation_attribute'
require 'kigoapi/per_guest_charge'
require 'kigoapi/price_period'
require 'kigoapi/price_period/night_amount'

module KigoAPI 
end
```

Update requires to load pricing setup
user
```ruby
require 'rest_client'

require 'kigoapi/version'
require 'kigoapi/client'
require 'kigoapi/response'

require 'kigoapi/reservations'
require 'kigoapi/reservation'
require 'kigoapi/reservation/guest'
require 'kigoapi/user_defined_reservation_attributes'

require 'kigoapi/properties'
require 'kigoapi/property'

require 'kigoapi/user_defined_reservation_attribute'
require 'kigoapi/per_guest_charge'
require 'kigoapi/pricing_setup'
require 'kigoapi/rent'
require 'kigoapi/price_period'
require 'kigoapi/price_period/night_amount'

module KigoAPI
end
```
assistant