string query_gender_string()

This function is defined by living monsters and players. It will return
either "neuter", "male" or "female".

There are several functions to set and query about gender:

	set_neuter()
	set_male()
	set_female()

	query_neuter()
	query_male()
	query_female()

	query_gender_string() -- returns "neuter", "male" or "female"
	query_pronoun() -- returns "it", "he" or "she"
	query_possessive() -- returns "its", "his" or "her"
	query_objective() -- returns "it", "him" or "her"

These two are "low-level" gender funs and should not be used except when
they are needed, i. e. for things like
monster2->set_gender(monster1->query_gender()):

	set_gender(g)
	query_gender()
