Merge pull request #28 from adam-vessey/7.x-ISLANDORA-946

Account for granularity differences.
Merge pull request #27 from adam-vessey/7.x-ISLANDORA-945

Get optionals from new place.
Merge pull request #7 from Islandora/7.x

7.x update
more error tests yes
Merge pull request #31 from qadan/7.x

more error tests!
Add model filtering to the ListSets stuff.
Merge pull request #32 from adam-vessey/7.x-ISLANDORA-947

Add model filtering to the ListSets verb.
Use an interpolated string, @willtp87++.
Merge pull request #36 from jordandukart/7.x-interpolated-string

Use an interpolated string, @willtp87++.
Merge branch '7.x-1.3' of github.com:Islandora/islandora_oai into 7.x-1.3
Merge pull request #37 from jordandukart/7.x-1.3

Add bug fixes and required changes for the release.