Log message:
diff-so-fancy: update to 1.4.3.

This is a maintenance release. This code was already "released"
but wasn't official on Github. This just makes it official on
Github.

Log message:
devel/diff-so-fancy: import diff-so-fancy-1.4.2

diff-so-fancy strives to make your diffs **human** readable instead
of machine readable. This helps improve code quality and helps you
spot defects faster.