use ip2long instead of self::ip2int


git-svn-id: svn://oss.beweb.dbc.dk/sync_php/php/OpenLibrary/class_lib/trunk@73006 30e9dc4a-7611-4fbc-83ba-eecf79b76bd0
@author


git-svn-id: svn://oss.beweb.dbc.dk/sync_php/php/OpenLibrary/class_lib/trunk@73007 30e9dc4a-7611-4fbc-83ba-eecf79b76bd0
typo


git-svn-id: svn://oss.beweb.dbc.dk/sync_php/php/OpenLibrary/class_lib/trunk@73010 30e9dc4a-7611-4fbc-83ba-eecf79b76bd0
doc


git-svn-id: svn://oss.beweb.dbc.dk/sync_php/php/OpenLibrary/class_lib/trunk@73012 30e9dc4a-7611-4fbc-83ba-eecf79b76bd0