Check the  before accessing it.
Merge pull request #44 from jordandukart/7.x

Check the  before accessing it.
Add a database list creation alter hook>
Merge pull request #45 from jordandukart/7.x-LBL-41

Add a database list creation alter hook>
Using PID from the top level solr search results instead of hacking them out of the solr doc.
Merge pull request #46 from daniel-dgi/7.x

Using PID from the top level solr search results