accept file object in the upload method
fix return arguments in checkUploadTickets
Tiny typo

Just a small typo I found while reading the documentation.
Merge pull request #42 from eriksson/fileobj-upload

accept file object in the upload method
Merge pull request #48 from bryndin/fix_checkUploadTickets

fix return arguments in checkUploadTickets
Merge pull request #49 from danielhoherd/patch-1

Tiny typo
Merge pull request #50 from dlebech/master

Fix infinite recursion bug in cache.