using the ; before the outter script comments makes them ignored when you load the script they will still show in the script file its self but the script (while its working) will just ignore them.
nice script, I'm not to keen on the !cake and !cookie commands or the need to use $logo but I think the calculator part is cool, so based on what I've seen and tested i'll give it a 6.
But I'm not to sure why you have some of these tags:
anti bot diamond eio failscript glam555 how irc mirc script spam start swiftirc timer timers to