nl_tokens: Buffer code below from https : // github . com / feross / buffer MIT - licensed
pl_tokens: function readUInt32 ( buf , pos ) { return ( ( buf [ pos ] ) | ( buf [ pos + 1 ] << 8 ) | ( buf [ pos + 2 ] << 16 ) ) + ( buf [ <mask> + 3 ] * 0x1000000 ) ; }