Merge pull request box#70 from box/jwt-key-rotation

Add 'kid' (jwt key id) to JWTAuth header

Merge pull request box#103 from Jeff-Meadows/redis_import

Bugfixes from dev token release.

Merge pull request box#99 from Jeff-Meadows/client_users

Add limit, offset, and filter_term to client.users()

Merge pull request box#90 from box/replace_basestring

Replace `basestring` with `six.string_types`

Merge pull request box#89 from box/v131

Bump version to 1.3.1.

Merge pull request box#86 from box/pypy

Add support and testing for PyPy 4.0

Bump version to 1.2.0

box-python-sdk version 1.1.7

Bump version to 1.1.6.

Bump version to 1.1.5.