Modified to comply with the recent changes in #1161434
Empty results were not fetched right
Added a todo item for optimizing the logic in the parsing of the query values
Issue #1239232 by askibinski: Add css classes to slide handles.
Issue #1322658 by janusman: Added Prevent slider from showing float values for integer fields & Hide the field name if the range is equal
Issue #1322198 by Nick_vh: Fixed Make the slider easier to use and make sure the user knows the values of the slider.
Issue #1176088 by das-peter, Nick_vh, pwolanin: Get something working.
Issue #1176088 load an adapter instance on the search form callback. Relies on patch at #1214772
Issue #1176088 move form functions into class via generic wrapper
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