SupyML: Errors are treated as normal messages

[ghost]

20:29:45 <+nyuszika7h> +calc [gt 5 1] + 1
20:29:47 -- Notice(Caroline): Error: 'true' is not a defined function.
20:29:49 <+nyuszika7h> +supyml eval "<calc><gt>5 1</gt> + 1</calc>"
20:29:49 <@Caroline> 'true' is not a defined function.

[CorvusCorax]

this can probably be closed now :)