Sam Minnee 0c977bf6f7 Added insertFirst(), to insert an item at the beginning of the set
Added containsIDs() and onlyContainsIDs(), to perform simple validation of DataObjectSets - useful for unit testing

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@40228 467b73ca-7a2a-4603-9d3b-597d59a354a9
2007-08-16 06:34:30 +00:00
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2007-08-16 06:33:41 +00:00
2007-08-07 01:20:20 +00:00
2007-08-15 10:13:27 +00:00