in lib/twurl/app_only_oauth_client.rb [65:73]
def fetch_oauth2_token
request = Net::HTTP::Post.new('/oauth2/token')
request.body = URI.encode_www_form(request_data)
request['user-agent'] = user_agent
request['authorization'] = "Basic #{Base64.strict_encode64("
response = http_client.request(request).body
JSON.parse(response,:symbolize_names => true)
end