Pachi 12.10 for Windows

Changes since 12.00:

• mm patterns: better startup times, memory usage, and middle game reading.
• playouts: handle bent-four, special sekis
• infrastructure fixes

New pattern code makes it possible to play with few playouts without dcnn:
For example pachi --nodcnn -t =5000 is kgs 3k.

If you only play on 19x19 use the binaries in extras.zip they should be slightly faster.