Upgrade raven, lxml and requests requirements to latest version.
Upgrade raven, lxml and requests requirements to latest version.

WillianPaiva/1flow,WillianPaiva/1flow,1flow/1flow,1flow/1flow,WillianPaiva/1flow,WillianPaiva/1flow,WillianPaiva/1flow,1flow/1flow,1flow/1flow,1flow/1flow