embedded answers in questions api

[faliev]

Hi Thomas!

Answers are passed as array and base.rb does not currently handle arrays afaik. I think i fixed it in my fork, would you like me to send a pull request? You can check out fix in my fork at https://github.com/faliev/serel/blob/master/lib/serel/base.rb, relevant methods are initialize and format_attribute.

Thank you!