Version 0.7.0

Added

• Add team attribute to Message and Command models. This stores the ID of the Slack Team that the call originated from.

Changed

• Allow configuration to be partially updated (@RealOrangeOne in #81)

Fixed

• Scheduled events using every().day().at(), now run on the day that the program is started on (@runz0rd in #90)
• Help command now allows commands to have no docstring, or override help text, specified.