Version 5.0.0
Update README.md Small updates to readme
Merge branch '45-bump-to-4.0.0'
pre-release v0.7.0a7
pre-release v0.7.0a6
pre-release vectorsearch (alpha 5)
Release v0.6.1
release v0.6.0
README.md: minor updates
Update version to 0.4.0