*** Unfinished
new_moz creates an entirely new MOZ database, destroying anything that was there before.
*** Unfinished
moz is the normal MOZ program.
Both moz and new_moz take the same command line arguments, except that only new_moz takes the –quiet argument.
Specifies the level of debugging. Values are debug, info, warn, error, and critical.
The default is warn. For whatever level is selected, that level of log message and above (above meaning "less verbose" or "more severe") are printed.
Specifies the directory to find the MOZ data files in, i.e. the directory above db/ and classes/ and functors/.