do not crash on chat history listing.  also free all requested player records.  memory leaks are bad.
do not crash on chat history listing.  also free all requested player records.  memory leaks are bad.

git-svn-id: 67bf12f30ddf2081c31403e0b02b2123541f1680@11488 08b3d480-bf2c-0410-a26f-811ee3361c24

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