Beta 6

• Fixed bugs
• Stored first comments (comments before the first moves) of PGN games
• Searched with FENs such as: ocgdb -db carlsen.ocgdb.db3 -q "fen[rnbqkbnr/pp2pppp/2p5/3pP3/3P4/8/PPP2PPP/RNBQKBNR b KQkq - 0 3, rn1qkbnr/pp2pppp/2p5/3pPb2/3P4/5N2/PPP2PPP/RNBQKB1R b KQkq - 1 4]"
• Param -r to write all duplicate games
• Used multi-threads when exporting into a PGN file
• Improved code for getting and displaying games in PGN format
• Improved/cleaned code