Ticket 56: add stemmer support to title/content/union_any_words

Make filtering primitives smarter so that you do not need to expand all forms of a word (plurals, participles).

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Type:	new		Version:
Status:	new		Created:	2007-Dec-21 08:35
Severity:	3		Last Change:	2007-Dec-21 08:35
Priority:	3		Subsystem:
Assigned To:	majid		Derived From:
Creator:	majid