Fix sms API

[timothee-alby]

According the the API documentation, the endpoint POST /api/v1/verification/sms require country_code and recipient params

Those params are not whitelisted in the Taxamo-ruby lib, preventing any usage of the API.

[tlipski]

Thank you for the PR - I will look into it as soon as possible.

[tlipski]

The issue was caused by something else, taxamo-ns 2.3.3 fixes this issue.

Example code:

input.country_code='IT'
input.recipient='123456789'```

Taxamo.create_s_m_s_token(input)