| Version | Time | Author | Comment |
|---|---|---|---|
| 9 | 2010-08-30 17:09:31 | cowan | Withdrawn |
| 8 | 2010-08-28 00:59:33 | cowan | Added mutable and immutable copiers |
| 7 | 2010-08-28 00:41:52 | cowan | |
| 6 | 2010-08-27 23:50:41 | cowan | Proofreading |
| 5 | 2010-08-27 23:00:15 | cowan | Unpredictable behavior if mutated while iterating |
| 4 | 2010-08-27 20:53:53 | cowan | Reflexive, symmetrical, and transitive |
| 3 | 2010-08-27 20:47:28 | cowan | |
| 2 | 2010-08-27 20:16:10 | cowan | |
| 1 | 2010-08-27 20:14:09 | cowan |