Added check for empty Array to omitNulls
Updated BoolQuery to use lists for must / should / should_not. Updated tests and docs to reflect this
Merge branch 'master' of https://github.com/bitemyapp/bloodhound
Added tests for omitNulls
Merge pull request #15 from latkins/master

Add support for lists of queries on must / should / must_not in BoolQuery