gnucash stable: Multiple changes pushed

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/3d30e597 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/eb2d5df7 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/c514f61a (commit)
	 via  https://github.com/Gnucash/gnucash/commit/14f2efcf (commit)
	from  https://github.com/Gnucash/gnucash/commit/23c208e1 (commit)



commit 3d30e5978a4ef4ac7317be74202e5631835d2a56
Merge: 23c208e1a0 eb2d5df778
Author: John Ralls <jralls at ceridwen.us>
Date:   Thu May 25 10:50:08 2023 -0400

    Merge Richard Cohen's 'define-boxed' into stable.

commit eb2d5df778969e95dd1095f3b60b711f7272ecf9
Author: Richard Cohen <richard at daijobu.co.uk>
Date:   Thu May 4 17:32:49 2023 +0100

    Refactor: DEFINE_BOXED GncGUID

commit c514f61a7a06c31a3dd97a99596502ce26033f9e
Author: Richard Cohen <richard at daijobu.co.uk>
Date:   Fri May 12 11:07:15 2023 +0100

    Refactor: DEFINE_BOXED Time64

commit 14f2efcfb7bd43b541fd88e3c170d683dd84afb9
Author: Richard Cohen <richard at daijobu.co.uk>
Date:   Fri May 12 10:58:37 2023 +0100

    Refactor: DEFINE_BOXED gnc_numeric



Summary of changes:
 libgnucash/engine/gnc-date.cpp    | 26 ++++++--------------------
 libgnucash/engine/gnc-numeric.cpp | 22 ++++------------------
 libgnucash/engine/guid.cpp        | 21 ++++-----------------
 3 files changed, 14 insertions(+), 55 deletions(-)