Log Message:
-----------
- lock tables before inserting data, avoid errors if two concurrent bots will add a key
Modified Files:
--------------
docbot:
docbot.pl (r1.55 -> r1.56)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/docbot/docbot/docbot.pl.diff?r1=1.55&r2=1.56)