once for all derived functions.
I also reverted my patch for MONTH() and added a test case.
My MONTH() patch was too specific. This is a general fix.
Plus a fix for security flaw in database hash
Speed up column-completion in 'mysql'
Don't use ISAM if HAVE_ISAM is not defined
A lot of fixes for the embedded version. All libraries are now included in libmysqld.a
Changed arguments to convert_dirname() to make it more general.
Renamed files in the 'merge' directory to all use a common prefix.
Don't compile both assembler and C functions on x86