v0.9.0

Changed

• Bump apscheduler from 3.3.1 to 3.4.0 (#8)
• Bump slackclient from 1.0.9 to 1.1.0 (#16)
• WebAPI methods will return deserialized API responses (#14 by @pirogoeth)

Removed

• Breaking: drop support for Python 3.3

Full Changelog: v0.8...v0.9