Implemented an optional site tree extension which will enable an additional index based on user permissions.
Implemented the "alpha only sort" field to allow sorting by title for 4.0.
Gracefully handle any user input syntax errors.
Replaced the mapping of a varchar field from "_txt" which wasn't sortable to the new "_as".
Make sure the current data object isn't orphaned before indexing.
Updated the builder to filter by hierarchy correctly.
Reverted a minor update to the last edited selectable field, as this is now handled on a per field basis just before rendering sort by options to the user.
Merge pull request #19 from NGlasl/master

Implemented an optional site tree extension which will enable an additio...