This class provides methods to validate:
	- ISBN (International Standard Book Number)
	- ISSN (International Standard Serial Number)
	- ISMN (International Standard Music Number)
	- ISRC (International Standard Recording Code)
	- EAN/UCC-8 number
	- EAN/UCC-13 number
	- EAN/UCC-14 number
	- UCC-12 (U.P.C.) ID number
	- SSCC (Serial Shipping Container Code)

WWW: https://pear.php.net/package/Validate_ISPN