Fixed broken rate limiting error handling in archiver/follow.
Twitter changed rate limiting response objects quite a bit in v1.1.
In addition there were bugs due to import of time module and time object from datetime module.
Merge pull request #214 from edi-bice/master

Fixed broken rate limiting error handling in archiver/follow.
Twitter changed rate limiting response objects quite a bit in v1.1.
In addition there were bugs due to import of time module and time object from datetime module.