/home/pi/.rvm/gems/ruby-2.0.0-p247/gems/oauth-0.4.7/lib/oauth/consumer.rb:216:in `token_request': 400 Bad Request (OAuth::Unauthorized)
from /home/pi/.rvm/gems/ruby-2.0.0-p247/gems/oauth-0.4.7/lib/oauth/consumer.rb:136:in `get_request_token'
from /home/pi/.rvm/gems/ruby-2.0.0-p247/gems/dropbox-1.3.0/lib/dropbox/session.rb:70:in `initialize'
from sync.rb:7:in `new'
from sync.rb:7:in `<main>'
From your latest release: