Hotfix: update supertype cache immediately after "subtype" expression

Bump version of everything

Update README

Bump version of everything

Repair direct parameter coalescing

v0.2.0

Update app icon again

Temporary: copy LLVM's libc++ to hardcoded path during installation

I've spent an entire day trying to actually solve this issue but to no avail
See-also https://forums.swift.org/t/how-can-i-force-swiftpm-to-link-the-system-libc/33339/2