Removed compression
Removed comments
Randomized IV on AES encryption
Moved to CFB mode
Added hmac computation to upload
Changed the download to check the hmac sha256
Wrapped types in closers etc.
IV's do not propagate quite yet
All works now.... neded to set the metadata in the PUT handler
Merge branch 'master' into better-encryption
Refactored utility read-writers to separate file
Merge pull request #16 from mbk/better-encryption

Better encryption