main
remove logo from README again
http:// → https://
Improve clarity of instruction
Fix documentation typos, grammar, and formatting inconsistencies
Bump version: 4.0.1 → 4.0.2
Fix end-of-file
Fix METADATA format issue
Add release notes for 4.0
Add section about why you might want Flit, and what other options exist.
Gather environment variables under cmdline doc
Update Sphinx & sphinx-rtd-theme for RTD