I've patched the DLL to support 6.17, I'll upload it as soon as I can. As a sidenote, this is why your script should check whether the DLL is actually loaded (with the 'loaded' function) and fall back on normal /echo if it isn't; see the README for details.
Needless to say, I agree with your feature suggestion. (link
. yes I know, I keep repeating this ad nauseam)