Name: set_gender - set the gender of a living

Syntax:
	set_gender(int gender)

Description:
	The set_gender call sets the gender of the living. Possible arguments
	for the gender:

	0, if the living should be neuter
	1, if the living should be male
	2, if the living should be female

Return value: none

Examples:
	this_player()->set_gender(0);

See also: living/query_gender