Merge branch 'release/0.1.6' into develop
Typofix.
Travis.yml
If the pkgdb call fails, return an empty list of packages
Add debugging log if the pkgdb call fails
Generate the URL before calling it, and log it
Merge pull request #8 from fedora-infra/fix_pkgdb2

Fix pkgdb2
Remove old pkgdb1 code.  :yolo:
Use None as the sentinnel value here.
0.2.0
Merge branch 'release/0.2.0'