- Implemented `Default` on `Map` (not just on `RawMap`).
+- Added `Entry::{or_default, and_modify}` (std::collections::hash_map parity).
+
- Removed the `anymap::raw` wrapper layer around `std::collections::hash_map`,
in favour of exposing the raw `HashMap` directly. I think there was a reason
I did it that seven years ago, but I think that reason may have dissolved by