NAME
	trace - adjust gamedriver trace level of interactive object

SYNOPSIS
	int trace(int level)

DESCRIPTION
	Each interactive object (eg. players/wizards) has a trace level which
	controls the amount of function call levels to be displayed.
	It's usually only helpful for Archwizards and Gods for debugging.
	Therefor there's also a wizard command 'trace' to set this level, but
	it can usually only be used with the appropriate privilege or level.