Version 2.42.0
- Fix a memory leak in rsvg_handle_new_from_file() (Lovell Fuller).
- Optimize the xml:space normalization function (Jordan Petridis).
- gitlab#179 - fix a runtime warning in the feMergeNode code.
- gitlab#175 - Clarify documentation about the rsvg_*_sub() APIs.
- Stylistic fixes from cargo-clippy (Jordan Petridis).
- Port the Pango glue code to Rust.
- New ARCHITECTURE.md with a description of librsvg's internals.

