NAME
	calling_object - find an object in the chain that is calling us

SYNOPSIS
	object calling_object(int previous_count = 0)

DESCRIPTION
	This function returns the object that generated the call corresponding
	to "previous_count". For the purpose of this function each call is
	counted, not just call_others.
	
	Please note that "previous_count should be a negative number, or 0.

	If there is no calling object corresponding to "previous_count" the
	return value is 0.

SEE ALSO
	previous_object, calling_function, calling_program


