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The above patch correctly implements the OR behaviour and 
does not have any problems with backwards compatibiltiy as 
it is almost sure no one was using this feature, because 
the matching with a list of values in an AND mode (value == 
1 and value == 2) always fails. 

Using the OR semantics is useful, simple as a patch, and 
ressembles the Pythonic "value in list" boolean expression.

Of course the NOT opertaor is still missing, but that is 
another issue.