Fix reading files by chunks
Merge pull request #157 from izquierdo/read-by-chunks

Fix reading files by chunks
prevent unexpected file deletion

"FILE_TTL" value is passed to a "pyrax/cf_wrapper/client.py/CFClient.store_object()" method, which sets "X-Delete-After" header for non-None values.
Merge pull request #159 from baffolobill/patch-1

prevent unexpected file deletion
add Daniel Izquierdo to authors