Bug Fixes:

1. Moved the "Your search did not return any results." notification above the results, because its not always apparent that no results have been returned if you previously had results. (Because the previous set of results are still visible.) #141 Thanks to @buzzcloudau
2. The 'No-results' message was not being displayed if the next query returned an empty result set. Now it show up. #142 Thanks to @buzzcloudau
3. Expose Mongo's distinct method in the query editor. #138 Thanks to @AndrewBarba
4. Remove check that _id is always a Mongo ObjectId. The _id property on a Mongo document does not always have to be an ObjectId. #124 Thanks to @simonbengtsson

New features:

1. Save user preference for query view. Which ever view you use last will be saved as your default. So if you like a particular view more, like the Table View, then it will always default to that.