0.5:
	Standalone installation, does not require that libPARI is installed;
	use overload fixed;
	(temporarily?) removed plotting support to simplify standalone install;
	'defined ref' fixed;
	listPari(tag) added;
	import tags (:all and like :4) added;

	DejaNews search: pari & math* &! leo* &! ftpadmin &! natarajan &! mutuel &! uucp &! ~g (muc.archive.* | soc.culture.* | sfnet.* | news.newuser*)	
	Pari-die-handler was using die() instead of croak();
	pari_print, pari_pprint and pari_texprint implemented;
