Update: Support "eval" on command name field.
Evaluated command name
Command name, i.e. the first cell of each row, is a number for delay-execution or one of these words -- wait, tag, exit, if, else if ,else, end if, goto usually.
It also supports "eval" on this field to get evaluated result while property "Eval mode" is "Yes".
it puts Math.random() at first cell to get a random delay.
You might try this new version.