Handle situations (user diconnected ?) where Google just answers with nil data.
Revert commit b4f50292219db9601a7483c8d31cb7e6fa2fa077 as it was a false problem (only appeared in my virtual machine), and it was a waste of space : https://twitter.com/shadowbottle/status/309378838322872320
Merge pull request #154 from barijaona/bugfixes

Two bugfixes : handle situations with an expired Google token after computer sleep, and spacing on articles' list.