plenv 1.4.2

Closes #17792.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
python3: Link against keg_only sqlite

Fixes #17765.

Closes #17788.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
gnutls 3.1.8

Fixes a major bug:
http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/6623

Closes #17786.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>