Fs-ossfs

Added

- implemented new getfile method

Changed

- Updated fs for more efficient directory walking
- Relaxed boto requirement

Added

- Added 'strict' parameter to constrictor.

Fixed

- copy() wasn't throwing FileExpected exception
- Added keys to oss property
- Exception fixes in OSSFile

Added

- Added endpoint_url to constructor

Fixed

- Issue with duplicate nested directory names.

Changed

- Relaxed Boto requirement.

Fixed

- Issue with blank top level subdirectory.

Added

- Added new 'urls' namespace