Usage:
	hacksubs.pl action

	action = query
		lists all subs defined with call count

	action = build_map
		builds inter-dependency map

	action = extract_comments
		pulls out all function comments

	action = restore_comments
		restores all function comments

	action = assert_on
		activate all &Assert warnings

	action = assert_off
		silence all &Assert warnings

	action = no_require || nq
		creates the search_nrq.pl file

This tool rewrites source code (in restore_comments).  Make backups.