update README.md

update README.md

stable version 0.5.2

stable version 0.5.1 -del unused imports, build-macos added

stable version 0.5.1 -small fixes

stable version 0.5.1

updated

updated

first

first

first commit

cat th notes

foldFunctions

foldFunctions

foldFunctions

foldFunctions

foldFunctions