[Spambayes] More web interface statistics

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    Dave> /home/dave/spambayes/hammie.fs is an existing database, 
    Dave> with 282 spam and 76 ham
    Dave>      ^^^^^^^^^^^^^^^^^^^
                                
    Dave> What do those ham/spam numbers really mean?

tte.py retrains messages which aren't correctly classified on the first
pass.  Consequently, such messages are counted multiple times.  Add up the
number of misses for hams and spams.  They should be the same as (for very
nearly the same as) the numbers you see in imapfilter.

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