Summary
- more robust selection: avoid duplicates via "batch" number; evade attempts to select separator via keyboard or mouse (non-keyboard), assuming there are no consecutive separators;
- tuned GUI;
- clarified GUI.Selector, with support for separator as pseudo-entry; clarified signature;
- clarified GUI state; added "Load" button;
- clarified file names;
- clarified Log_Progress vs. GUI: more like Syslog_Dockable;
- clarified signature: more public operations;
- tuned signature, following hints by IntelliJ IDEA;