Lfun:	set_ep - set the amount of experience in a monster

Synopsis:
	void set_ep(int experience)

Description:
	The set_ep function sets the amount of experience in a monster. If the
	monster dies, a part of the experience is given to the killer as a
	killer gift.

	You shouldn't set the experience of the monster much higher than the
	default value, set by set_level.

Return value:
	none

Examples:
	set_ep(50000);

See also: monster/set_level