Added some utility methods for selecting a random element from an array or iteration of known size.
Added some utility methods for selecting a random element from an array or
iteration of known size.


git-svn-id: a1a4b28b82a3276cc491891159dd9963a0a72fae@2634 542714f4-19e9-0310-aa3c-eee0fc999fb1

threerings/narya,threerings/narya,threerings/narya,threerings/narya,threerings/narya