message: Mention the crate comparisons in 0.1.44 too
  ... if only to give more complete author credits for the release.
diff: # Release 0.1.44
  - [Division with single-digit divisors is now much faster.][42]
  +- The README now compares [`ramp`, `rug`, `rust-gmp`][20], and [`apint`][21].
  -**Contributors**: @cuviper
  +**Contributors**: @cuviper, @Robbepop
  +[20]: https://github.com/rust-num/num-bigint/pull/20
  +[21]: https://github.com/rust-num/num-bigint/pull/21
  [42]: https://github.com/rust-num/num-bigint/pull/42
  # Release 0.1.43
  