v0.4.0

• Lower required number of API calls (disabled by default).
• Made cache size configurable and lowered default to 10000.
• Added graphs to show weekly power rank and fantasy points over the course of the season.
• Improved mobile authorization flow.
• Added 'Victory Points' and 'Total Points' ranking schemes.
• OAuth 2.0 for authentication.
• Switched to containers as primary means of running/deploying.
• Added go mod support.