Function: trace

--Usage--
> trace(some_string)

Output a message for debugging purposes, for example to investigate what is going on in some function.

--Parameters--
! Parameter	Type			Description
| @input@	[[type:string]]		Message

--Examples--
> trace("message") == "message"   # the message is shown in the console panel

--See also--
| [[fun:warning]]		Output a warning message.
| [[fun:error]]		Output an error message.
