* Inlining of #and: and #or:.
Yes, those two selectors are now inlined by the compiler.
This may be breaking if you use #and: or #or: in your classes. That's
why this is another significant number increment.
To upgrade your not too old project, this should suffice:
npm install @ambers/lang@^0.29.0
The mechanical, though needing a bit of tools expertise, although
working, way to do the upgrade of older project is to create new project
with `amber init` with the same name as the old project, copy the files
over to old project, and go over the diffs (shown by git / IDE / both)