Honeybadger

Added
- Add `CSRF_COOKIE` to default filter_params (44)
- Add `HTTP_COOKIE` to payload for flask & django (44)
- Filter meta (cgi_data) attributes for flask & django (43)
- Add `force_sync` config option (60)
- Add additional server payload for AWS lambda environment (60)

Fixed
- Fix wrong getattr statement (65)

Fixed
- Make psutil optional for use in serverless environments (63, kstevens715)

Added
- Add support for filtering nested params (58)

Fixed
- Release for Python 3.8

Added
- Add source snippets to backtrace lines (50)

Fixed
- Fix "AttributeError: module 'os' has no attribute 'getloadavg'" error on
Windows (53)
- Fix snippet offset bug (54)