GNU Go 3.1.31

GNU Go 3.1.31 is now available at:

http://www.gnu.org/software/gnugo/devel.html

gunnar_1_31.5. Reading and owl revisions.
New test suite score2.tst with associated game records. 
gunnar_1_31.4. Influence revision. 
bugfix_1_31.1. This can stop a crash. 
arend_1_31.2. DFA doc revision. 
gunnar_1_31.3. Bugfix. 
arend_1_31.1. Owl speedup and bugfix. 
doc_1_31.1. Doc revision. 
gunnar_1_31.2. Various changes. 
gunnar_1_31.1. Random seed handling.

- boardsize field added to persistent caches in reading.c and owl.c
- break_chain_efficient_moves() revised
- new function reduced_init_owl() in owl.c
- mark_dragon_hotspot_values() revised
- revised handling of inessential stones in init_influence()
- bugfix in strategic_penalty()
- owl speedup: owl data immediately stored in owl_stack
- bugfix in do_owl_defense()
- attack() now always returns PASS as move if there is no attack
- some ASSERTs removed in board.c.
- revision in get_next_move_from_list
- bugfix in find_connection_moves()
- begin_sgftreedump() can take a NULL pointer parameter
- new gtp command ladder_attack
- unneeded include directories removed from sgf/Makefile.*
- seed field removed from Gameinfo struct
- new global variable random_seed
- joseki tuning
- doc revision

Dan