MAKROS: Give Command selection to MAKROS menu

After starting MAKROS from within AutoCAD the menu bar of AutoCAD is extended by the commands MAKROS and xunload. With this command program control switches to MAKROS where a menu bar is shown with MAKROS commands. Afterwards its no longer possible to execute commands from within AutoCAD respectively entered commands won’t be processed until control is given back to AutoCAD with the command “AutoCAD”.