Minor clarification to CHANGELOG
- Add support for base64 and base64url attributes in JSON printing and
parsing of [ubyte] table fields.
- Added `flatcc_builder_aligned_free` and `flatcc_builder_aligned_alloc`
- to ensure `aligned_free` implemnentation matches allocation compiled
- into the runtime library.
+ to ensure `aligned_free` implementation matches allocation compiled
+ into the runtime library. Note that alignment and size arguments are
+ ordered opposite to most runtime library calls for consistency with
+ the C11 `aligned_alloc` prototype.
- Support for struct and string types in unions.
- Add missing `_create` method on table union member fields.
- Add `_clone` and `_clone_as_[typed_]root[_with_size]` methods on structs.
