merge topic/vern/set-ops2

Description

This branch implements set intersection, union, difference, and relationals. When running the test suite, doc/sphinx/using_bro.btest fails, and I can't figure out why because I get a cryptic low-level message about gawk (that I don't get when other test stuff fails).

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Status

Assignee

Jon Siwek

Reporter

Vern Paxson

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