---------------- * Fix `send_authorization` not returning the correct dict * Fix expanded threads not inflating the messages objects properly * Fix class attributes with leading underscores not serializing as expected
5.13.0
---------------- * Add local webhook development support * Use PEP508 syntax for conditional dependencies
5.12.1
---------------- * Only install enum34 on python34 and below
5.12.0
---------------- * Add support for sending raw MIME messages
5.11.0
---------------- * Add support for calendar colors (for Microsoft calendars) * Add support for rate limit errors * Add support for visibility field in Event
5.10.2
---------------- * Update package setup to be compatible with PEP 517