AxisAndOhs 2.28 build18 released

Hello @ll,
AAO 2.28 has been uploaded to the shops today. Please give them a couple of hours to deploy it.
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Changelog:
- Change: Filter boxes on selection dialogs remember last entries
- Change: RPN: Create and remove simobjects using scripts
- Change: RPN: Initialization of BVars reworked
- Change: RPN: GOTO works in both directions now
- Change: RPN: Added script processing observer dialog
- Bugfix: RPN: RPN Editor syntax check can't handle "paramN" literals
- Bugfix: RPN: string parameters for SPEAK are processed in the wrong order
- Bugfix: RPN: <Macro> not processing special characters correctly
- Bugfix: ADF needle on the Lorby HSI pointing in the wrong direction