archivesspace/archivesspace — pull request #55 by payten (2014-04-29 23:26:39+00:00)
Title: Fix exception when more than 2 fields entered into advanced search

To replicate:
1) Go to the public interface homepage
2) Click `Show Advanced Search`
3) Enter a value in all 3 advanced search text fields
4) Click `Search`

Results in an exception: `JSONModel::ValidationException in SearchController#advanced_search`