allow several -e on the command line
clarify --help text
make -B to work as advertised
in force mode execute the rest of multi-statement line in case of error in one statement
Fixes for building MySQL with gcc 3.0
Added SIGNED / UNSIGNED casts
Fixed core dump bug in net_clear() with libmysqld.
Back to using semaphores in query cache.
Added 'Null' and 'Index_type' to SHOW INDEX.