====== GeneratePassword ======
Returns a randomly generated string of specified length.
===== Syntax =====
function GeneratePassword(aLength: integer): string;
==== Parameters ====
* **//aLength//**
* //type:// integer
* //functions:// length of the resulting string
==== Returned value ====
* //type:// string
* //functions:// random string
===== Notes =====
* The resulting string can contain only the following symbols: ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789
===== Examples =====
-var pass:=GeneratePassword(15);
//pass = '3h9kYj9eeDL0Ju4'