Namespace hierarchy used by the Pool packages
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
::pool	-	registered at NICS
	----------------------------------------
	array								BASE
	atexit
	cgi
	date
	dump
	file
	getopt
	list
	math
	misc					(used by NET too)
	oo
		class
			<class definitions>
	serial
	string
	syslog								BASE
	----------------------------------------
	ui								GUI
	----------------------------------------
	urls								NET
		basic
		ftp
		file
		http
		gopher
		mailto
		news
		wais
		prospero
	smtp
	pop3								NET
	----------------------------------------
