+ fixed the issue with visual lags if the window got continuosly dragged (dragging got interrupted by a timer). Thanks to Irbis for this patch.
+ added context menus to LVs and TV from tabs 1 and 2. They duplicate buttons' functions. Context menus'inapplicable menuitems are disabled.
+ made kill() instantly update 'ManageProcesses' LV and the scriptsSnapshot array. We now should have less or none zombie scripts.