- `string::new_from_*` changed to `string::from_*`.
- `String.to_utf16_copy` and related changed to `String.to_utf16`.
- `String.to_utf16_tcopy` and related changed to `String.to_temp_utf16`
- `mem::temp_new` changed to `mem::tnew`.
- `mem::temp_alloc` and related changed to `mem::talloc`.
- `mem::temp_new_array` changed to `mem::temp_array`.