0.2.0a1

Breaking changes:

• reward_ready attribute of rlapi.SeasonRewards is now called can_advance

Enhancements:

• Python 3.8 support

Dependency changes:

• removed defusedxml
• minimum version of lxml is now 4.4.2
• added typing_extensions==3.7.4 (Python 3.7 only)

Misc:

• docs improvements
• we're using black code style now
• rlapi is now typed