For Python 3 treat unicode() as str(). Fixes #59
A more direct way to avoid a unicode call.
Merge pull request #59 from caktus/59-unicode-call

unicode() call in SharedPagelet model breaks Python 3 support in 0.9.0
Update 0.9.1 version in spackage, setup, and release notes. Drop unsupported Python/Django versions from tox.
Update dependencies in README.rst
Merge pull request #60 from caktus/release/0.9.1

Release 0.9.1