Update to at-spi2-core-2.38.0
Update to at-spi2-atk-2.38.0
Update to pyatspi-2.38.0
Update to gtksourceview-4.8.0
Update to libhandy, and separate it into a different page since this major release is needed for two packages in the book, but is incompatible with it's other users.
Update to tepl-5.0.0
git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@23756 af4574ff-66df-0310-9fd7-8a98e5e911e0