Hugo 0.38.2: Two Bugfixes

This is a bug-fix release with a couple of important fixes:

• Fix handling of the --contentDir and possibly other related flags 080302eb @bep #4589
• Fix handling of content files with “.” in them 2817e842 @bep #4559

Also in this release:

• Set .Parent in bundled pages to its owner 6792d86a @bep #4582