v2.0.548

• Fix: Error when slurping forward before commented s-expressions (|) #_(dosomething)
• Fix: Slurp backward with previous commented expr
• Fix: Inconsistent deletion of structural prefixes with empty forms
• Fix: Delete operations with Single Quote (') right after list opening '( e.g. '('(1 2 3))
• Fix: Drag sexp backwards command causes unexpected outcome in non-binding vector inside let
• Fix: Pair selection and drag with threaded cond->
• User customizable Pair Forms