Changelog

- significantly increased terminal performance by changing implementation of __SwitchScreen (thanks @jmon for GuiCtrlSetOnTop code snippet)
- added ability to scroll terminal when new text is added (_VDT_SetTerminalScroll(True/False), default: False)
- fixed onExit-function _EndVintage: removed Exit call, so other onExit-functions can be called afterwards while exitting
- extended regex to recognoize ANSI Code with one ? after ESC[ (e.g. ESC[?2004h, ESC[?12h, ...)
- extended regex to recognoize ANSI Code ending with @ (ICH: ESC[<n>@)
- added implementation for ESC[<n>@ (ICH)
- fixed implementation of ESC[<n>P (DCH)
- fixed and extended implementation of ESC[<n>K (EL)
- fixed __GetAbsPos()
- fixed __GetTabsPos()
- now showing correct cursor position after _VDT_Print
- added option to disable beep sound
- minor other changes