__seguse.txt added to show _seg usage also OpenVGMFile needs to be ported to 16_snd...

__seguse.txt added to show _seg usage also OpenVGMFile needs to be ported to 16_snd.c  ][ ca needs huge amounts of work and i should remember what needs to be done soon also i should reverify 16_in.c to make sure it can work with other code of id engine ][ added 1.9 support wwww and fixed 16_vlpal.obj compile error\~ [it was a 8.3 file name extention error it was a simple issue wwww]