Add python 3.3 into tox, Travis-CI configs
Fix print statement
Fix metaclass in model fields
Add six into setup.py, requirements.txt
Fix unicode
Fix urllib, urlparse, configparser, xrange
Fix hmac
Make all strings unicode
Small string fix
Fix ucare_cli main function
Exclude py3 & django1.4 combination from Travis config
Move functional tests into tests/functional
Add conf restoring in functional tests
Add integration tests for File, FileGroup resources
Remove "Content-Length" from headers due to requests bug in py3

https://github.com/kennethreitz/requests/issues/1335
Add python 3.2 support
Increase timeout for File.is_ready test
Increase timeout for File.upload_from_url test
Remove test_file_should_be_ready_in_5_seconds_after_upload
Revert "Remove test_file_should_be_ready_in_5_seconds_after_upload"

This reverts commit 149719fa53bb3ec2b2e1c64b2c8eb4bd443e05c9.