==================
* Removed contrib.pagination.DiggPaginator (use aldryn_common.paginator.DiggPaginator)
* Added alias_from_language utility function
* Renamed searchqueryset to search_queryset in search view
* Added search_queryset_class to search view
* Added helpers module
* Added helper function get_plugin_index_data
* Added new utility clean_join
* Added models attribute on view, to limit search by specific models
* Renamed get_request_for_search to get_request and moved it to helpers module
* Added get_request_instance method to base index, this allows adding custom attributes to request object
* Renamed INDEX_TITLE to index_title to keep the same format as haystack
* Refactored plugin data indexing to split on whitespace, thus reducing index size